EP3966039B1 - Dispositif d'impression en creux et procédé de contrôle d'une position relative d'un dispositif d'impression en creux - Google Patents

Dispositif d'impression en creux et procédé de contrôle d'une position relative d'un dispositif d'impression en creux Download PDF

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Publication number
EP3966039B1
EP3966039B1 EP20703437.2A EP20703437A EP3966039B1 EP 3966039 B1 EP3966039 B1 EP 3966039B1 EP 20703437 A EP20703437 A EP 20703437A EP 3966039 B1 EP3966039 B1 EP 3966039B1
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EP
European Patent Office
Prior art keywords
cylinder
forme cylinder
inking unit
inking
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20703437.2A
Other languages
German (de)
English (en)
Other versions
EP3966039A1 (fr
Inventor
Ana Dimitrijevic
Johannes Schaede
Alain Würsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102019111803.4A external-priority patent/DE102019111803A1/de
Priority claimed from DE102019111802.6A external-priority patent/DE102019111802A1/de
Priority claimed from DE102019118435.5A external-priority patent/DE102019118435A1/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP3966039A1 publication Critical patent/EP3966039A1/fr
Application granted granted Critical
Publication of EP3966039B1 publication Critical patent/EP3966039B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B41F9/063—Using inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/02—Rotary intaglio printing presses for multicolour printing
    • B41F9/021—Sheet printing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/16—Correction processes or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90—Register control
    • B41P2213/91—Register control for sheet printing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/50—Marks on printed material
    • B41P2233/52—Marks on printed material for registering

Definitions

  • the invention relates to an intaglio printing unit, by means of which a substrate can be printed using an intaglio printing process, according to the preamble of claim 1, and a method for checking and/or adjusting and/or correcting a relative position between the first inking unit cylinder and the forme cylinder according to the preamble of claim 11.
  • the EP 2 909 033 B1 discloses an intaglio printing press with a printing unit in which a plate cylinder designed as a gravure cylinder is inked indirectly via an ink collecting cylinder. This receives the printing ink via several stencil rollers, which in turn are inked by inking devices.
  • the inking is carried out by two inking rollers in each case, which receive the color via a duct roller that interacts with an ink fountain.
  • an ink transfer roller is additionally provided between the duct roller and the stencil roller.
  • an inking system of an intaglio printing machine in one embodiment inking of the intaglio printing plate being effected directly by a stencil roller, which in turn is inked by a selective inking cylinder.
  • the latter is exposed to printing ink on its peripheral surface by a spray device, with the excess ink being removed by means of a wiping roller before contact with the stencil roller.
  • the intaglio printing plate is inked indirectly via a transfer or collecting cylinder, which is inked via one or more stencil rollers, which in turn are inked by a selective inking cylinder.
  • the latter is exposed to printing ink on its peripheral surface by a spray device or a ductor roller interacting with an ink fountain, with the excess ink being removed again by means of a wiping roller before contact with the stencil roller.
  • the CN 101544098B relates to a duct roller, an ink transfer device and an ink transfer system of a gravure printing machine.
  • the ink is transferred from an ink reservoir via a duct roller, which has an engraving on its circumference that corresponds to the engraving on the gravure cylinder, to an elastic ink roller and from there to the gravure cylinder.
  • a duct roller which has an engraving on its circumference that corresponds to the engraving on the gravure cylinder
  • an elastic ink roller and from there to the gravure cylinder.
  • its outer surface is in contact with a hook-shaped scraper in order to strip off the ink on the non-engraved areas.
  • an even layer of ink is not applied to the elastic ink roller, but an ink pattern of varying strength, similar to the shape of a relief, corresponding to the pattern of the engraving on the gravure cylinder.
  • the pressure of the contact to the lateral surface can have a Adjusting device to be adjustable.
  • WO 2011/077350 A1 discloses an intaglio printing machine with a printing point between the forming cylinder and impression cylinder, an ink collection cylinder, five stencil cylinders that work together with it, and inking unit units for inking the stencil cylinders, whereby in one variant the form and impression cylinder have a common rotary drive and the ink collection cylinder has its own Drive, the five stencil cylinders five drives and the inking units are assigned one or more drives.
  • the motors of the drives that rotate these cylinders or units in this embodiment, even during operation, are preferably designed as torque motors.
  • a correction and adjustment system is provided for this embodiment to control the rotational position of the ink collecting cylinder and the stencil cylinder to ensure correct register to the forme cylinder.
  • the WO 2004/069538 A2 relates to an intaglio printing machine with a printing point between the forming cylinder and impression cylinder, an ink collecting cylinder, five stencil cylinders interacting with this and inking unit units inking for the stencil cylinders, with the stencil cylinder referred to here as the "selector cylinder" being driven by a drive motor independently of the ink collecting cylinder . In one embodiment, this is driven together with a ductor roller of the ink fountain, in another on its own, the ductor roller then being driven by the ink collecting cylinder via a gear train.
  • One of the aims of this drive is to vary the relative speed between the ink collecting cylinder and the selector cylinder in order to compensate for any elongation of a printing plate on the forme cylinder.
  • An elongation is detected and corrected by means of an engraved pattern on the forme cylinder using two sets of lines arranged next to one another, of which, depending on the presence of a plate elongation, a middle line or a line further out from the stencil cylinder is colored and printed on the product.
  • the EP 2 006 095 A2 relates to methods and devices for controlling print quality in an intaglio printing machine.
  • an ink layer thickness is measured on the printed product and, based on this, a contact pressure is set between two rotary bodies.
  • an embossing depth can be measured and used to set the pressure in the printing gap.
  • the embossing depth or ink film thickness are z. B. on fold lines of a printed at the edge of the printing substrate lines of a measuring field determined, which were inked by the corresponding number of inking units. The distance between the fountain roller and the ink transfer rollers can be adjusted together with the ink fountain.
  • the DE 198 22 662 C2 relates to a method and a system for operating a printing press, in which basic knowledge about the interaction of operating media is gained via printing tests or during production, which is stored in an expert system and used for the printing process or for the production of a printing form. Among other things, this also applies to maintaining a correct register.
  • a quality measure is determined by means of a register measuring device based on printed marks, the quality measure being determined based on color saturation.
  • the DE 636 641 C relates to a plate gravure printing machine with an inking roller which dips into an ink reservoir and inks the etched engravings on the printing plates.
  • inking roller which dips into an ink reservoir and inks the etched engravings on the printing plates.
  • ink splashing in the area of the panel joint when the inking roller is lifted, towards the end of inking a panel only as much ink should be added as is required until the end of the application. This is done by temporarily turning on a scraper blade to avoid damage a minimum distance between the doctor blade and the roller on the inking roller should be guaranteed.
  • the invention is based on the object of creating a gravure printing unit with which the substrate can be printed using a gravure printing process and a method for checking and/or adjusting and/or correcting a relative position between the first inking unit cylinder and the forme cylinder.
  • the advantages that can be achieved with the invention are, in particular, that the consumption of printing ink can be reduced to a particularly low value and/or that printed images have particularly fine image structures, in particular with regard to resolution in terms of color and/or in terms of color density or color intensity can be produced safely and with high accuracy.
  • a gravure printing unit with which the substrate can be printed using a gravure printing process, comprises a forme cylinder, which has an imaging pattern of depressions on its circumference, and an inking unit, by means of which the pattern of depressions provided on the forme cylinder can be at least partially inked, the forme cylinder being Inking device can be partially inked via a first inking unit cylinder having corresponding indentations in the region of its lateral surface to indentations on the forme cylinder and via a second inking unit cylinder to be partially inked by the first inking unit cylinder.
  • the forme cylinder has at least one first indentation to generate an image element that serves to check a relative position between the forme cylinder and the first inking unit cylinder within the printing width, but outside the peripheral region that provides the printed image of one or more copies , which only partially overlaps on the forme cylinder with a projection of a depression provided on the circumference of the first inking unit cylinder for checking the relative position in a defined position and location, obtained by rolling off the inking unit cylinders involved in the ink transport in pairs on the forme cylinder.
  • a register between the first inking unit cylinder and the forme cylinder can be checked with this.
  • the forme cylinder can have at least two indentations within the printing width, but preferably outside the peripheral region that provides the printed image of one or more copies, to produce two image elements that serve to check the relative position between the forme cylinder and the first inking unit cylinder one overlaps only partially and the other at least partially with a respective projection obtained by unrolling one of at least two indentations provided on the circumference of the first inking unit cylinder.
  • a linear indentation running along the circumference can be provided on the forme cylinder outside the imaging pattern, and an indentation running along the circumference can be provided on the first inking unit cylinder in such a way that a projection obtained on the forme cylinder by rolling the inking unit cylinders involved in the ink transport in pairs first inking unit cylinder running recess intersects running on the forme cylinder recess.
  • the first indentation provided on the first inking unit cylinder can run linearly and inclined, in particular rotated by 90°, to the indentation on the forme cylinder and/or the first indentations on the forme and first inking unit cylinder can be dimensioned such that the Overlap area of the projection viewed in the direction of the linear depression on the forme cylinder is smaller than the length of this depression on the forme cylinder.
  • a group of be provided side by side at a first distance from each other, evenly spaced linear depressions and on the circumference of the first inking unit cylinder a group of linear depressions, spaced evenly apart at a second distance from one another, be provided in such a way that the alignment of the linear depressions of the group on the forme cylinder and the group on the first inking unit cylinder is the same, whereby the second distance can deviate slightly, i.e.
  • the forme cylinder can additionally have at least one second depression for printing at least one second image element of the same test field, assigned to the first image element as a reference element, within the printing width, but preferably outside an area lying the printed image of one or more copies.
  • a first indentation on the forme cylinder used to generate the first image element for checking the relative position between the forme cylinder and the first inking unit cylinder can only partially be obtained on the forme cylinder viewed in the axial or circumferential direction with a pairwise unrolling of the inking unit cylinders involved in the ink transport on the forme cylinder projection of an indentation provided on the circumference of the first inking unit cylinder and the second indentation on the forme cylinder serving as a reference, viewed in the same direction, must be completely covered by a projection of a corresponding further indentation provided on the circumference of the first inking unit cylinder, which is obtained by unrolling.
  • the gravure printing unit can comprise several, in particular at least four, ink trains, each with an inking device, a first inking unit cylinder having depressions and a second inking unit cylinder, via which the forme cylinder can be directly or indirectly inked, the forme cylinder having at least the number of ink trains corresponding number of such first depressions located within the printing width, but preferably outside the peripheral region that is the printed image of one or more copies-producing imaging pattern of depressions and spaced apart from one another, which are only partially on the forme cylinder with a pairwise unrolling of the inking unit cylinder involved in the ink transport of the color train in question overlaps a projection obtained on the forme cylinder of a corresponding depression provided on the circumference of the first inking unit cylinder concerned for checking the relative position in a defined position and position.
  • sensors for detecting the first image element evaluation means for evaluating the position of the first image element on the substrate and/or relative to a second image element and/or control and drive means for correcting an incorrect relative position of the first or second inking unit cylinder to the Be provided forme cylinder in the axial and / or in the circumferential direction.
  • control means are operatively connected via a signal connection to a drive means, through which the inking unit cylinder in question can be automatically varied in its relative axial or circumferential position relative to the forme cylinder in correlation to a detected deviation from the desired relative position.
  • the first inking unit cylinder can be mounted so that it can move axially in a frame of the gravure printing unit and can be moved axially by an axial drive with a drive means and/or the first inking unit cylinder comprising the depressions can be used in production alone or together with the second inking unit cylinder by one of the forme cylinders in the Production operation rotating drive means can be driven and/or driven mechanically independent and preferably with respect to a rotational angle position.
  • the inking device can include a retaining means designed as a squeegee, which in the operating position is in physical contact with the lateral surface of the first inking unit cylinder, on at least the side downstream in the operating direction of rotation of the inking unit cylinder comprising the indentations of a printing ink on the first inking unit cylinder, through which in the operating direction of rotation viewed behind the inking and before the first nip point with the second inking cylinder previously applied to the lateral surface of the first inking cylinder printing ink can be removed.
  • a retaining means designed as a squeegee, which in the operating position is in physical contact with the lateral surface of the first inking unit cylinder, on at least the side downstream in the operating direction of rotation of the inking unit cylinder comprising the indentations of a printing ink on the first inking unit cylinder, through which in the operating direction of rotation viewed behind the inking and before the first nip point with the second inking cylinder previously applied to the
  • At least the retaining means or an ink template unit supporting it and mounted so that it can move axially in the inking device can be moved axially and/or oscillated during operation by a drive means with respect to the relative axial position to the inking unit cylinder containing the depressions.
  • the squeegee can cause contamination of the printed image between two image elements—for example, image elements that have different colors applied to them and/or blurring in the representation on the substrate can be prevented or at least minimized.
  • iridescent restraint means when removing excess ink can - especially in the case of a squeegee employed during operation - bring about a more uniform wear-related removal and thereby serve a more stable operation.
  • An advantageous use of an ink collecting cylinder allows z. B. that the inking of the printing form can be done simultaneously with several colors at the same nip point.
  • An actuator provided, for example, in an advantageous further development, by means of which the retaining means designed in particular as a squeegee is tracked automatically and/or continuously during operation, for example, contributes to constant conditions in the area of ink application.
  • a provided in an advantageous development color distribution device that distributes the ink in the template room, z. B. to a stable operation in that the freshly supplied, possibly previously tempered printing ink is added evenly to the already existing, possibly already mechanically stressed color.
  • the adjustment position of the color engraving cylinder can be varied without changing the color supply to it at the same time.
  • the inking unit cylinder having the indentations can be temperature-controllable and/or designed so that temperature-control medium can flow through it and/or in a manner that supplies the inking device with printing ink Line system may be provided a temperature control device, through which the ink to be supplied is temperature controlled.
  • Temperature control of the printing ink which is provided in an advantageous development, even before it enters the ink original space of the inking device, contributes to stable printing conditions and/or enables a short start-up time.
  • a substrate section in particular comprising a printed image printed using the intaglio printing process, preferably comprises an arrangement of printed image elements, the relative position and/or optical effect of which allows conclusions to be drawn about an incorrect relative position between a depression on its surface when the image elements are printed in the axial and/or circumferential direction Circumference having forme cylinder and a first inking unit cylinder having corresponding depressions on its circumference of an inking unit inking the forme cylinder can be derived.
  • a gravure printing unit which can be used to print on a substrate using a gravure printing process, with a forme cylinder that has an imaging pattern of indentations on its circumference, and with an inking unit through which the pattern of indentations provided on the forme cylinder is at least partially inked, with a partial If the forme cylinder is inked from an inking device via a first inking unit cylinder having corresponding indentations in the area of its lateral surface to indentations on the forme cylinder and via a second inking unit cylinder to be partially inked by the first inking unit cylinder, a checking and automated adjustment and/or correction of a relative position in Circumferential and/or in the axial direction between the first inking unit cylinder on the one hand and the forme cylinder on the other hand and/or checking and compensating for a change in a print image length determined by the imaging pattern on the forme cylinder - in particular a compensation by varying the rotational speed of the first inking unit cylinder - using a carried
  • the printing unit unfolds in a printing machine designed as a security printing machine and/or as a printing machine that processes a sheet-like substrate and/or as a gravure printing machine that works according to the intaglio method, which has a substrate feed through which the substrate to be printed can be fed to the printing machine on the input side, a first conveyor section, through which the substrate can be fed to the at least one printing unit, a second conveying section, through which the substrate can be fed directly or indirectly to a product receptacle, by which the substrate, which has been printed at least once, can be combined into bundles.
  • a printing press in particular a security printing press, comprises at least one printing unit 500, by which substrate S can be printed using at least one gravure printing process, for example a substrate feed 100, through which the substrate S to be printed can be fed to the printing press on the input side, a first conveyor section 200, through which the substrate S can be fed to the at least one printing unit 500, a product receptacle 400, through which the substrate S', which has been printed at least once, can be combined to form bundles, and a second conveyor section 300, through which the substrate S' can be fed to the product receptacle 400 - possibly via additional processing units is.
  • a gravure printing process for example a substrate feed 100, through which the substrate S to be printed can be fed to the printing press on the input side
  • a first conveyor section 200 through which the substrate S can be fed to the at least one printing unit 500
  • a product receptacle 400 through which the substrate S', which has been printed at least once, can be combined to form bundles
  • the printing machine is z. B. designed as a sheet-fed printing machine, in particular as a sheet-fed gravure printing machine, preferably as a sheet-fed printing machine printing in an intaglio printing process.
  • the intaglio printing process is a gravure printing process which is preferably used for the industrial production of banknotes, security documents or security elements.
  • the printing press which preferably prints according to a gravure printing process, in particular an intaglio printing process, comprises, in addition to the at least one printing unit 500 operating according to a gravure printing process, in particular an intaglio printing process, preferably at least one substrate feeder 100 designed as a sheet feeder 100, by means of which a substrate S to be printed in the form of, in particular, stacked substrate sheets S, e.g. B. substrate sheet S, in particular security sheet S, is provided on the input side of the printing press or at least can be provided.
  • the rectangular ones Substrate sheet S have z. B.
  • the grammage of the substrate sheet S is z. B. in the range between 70 g/m 2 and 120 g/m 2 . It also includes a sheet system 201 included in the first conveyor line 200, by means of which substrate sheets S provided at the sheet feeder 100 are z. B. via linear conveyors 202 and / or one or more transfer drums 203 or a first printing unit 200 of the printing press in a sequence, d. h are fed individually one after the other or at least can be fed.
  • a swing gripper system is preferably provided in order to transfer the substrate sheets S to the first transfer drum 203.
  • the printing press Downstream of the last printing unit or of a last printing unit 500, the printing press also has e.g. g. a transport device 301 comprised by the second conveyor section 300, embodied, for example, as a circulating conveyor belt or as a circulating chain system, in particular a chain gripper system, to which the substrate sheets S' printed at least by the printing unit 500 are connected directly or via at least one or more, e.g. B. from the second conveyor line 300 included intermediate cylinders are transferred, with the transport device 301 transferred substrate sheet S 'by means of this to a subsequent processing unit or to a delivery as a delivery 400, here stack delivery 400, z. B.
  • a transport device 301 comprised by the second conveyor section 300, embodied, for example, as a circulating conveyor belt or as a circulating chain system, in particular a chain gripper system, to which the substrate sheets S' printed at least by the printing unit 500 are connected directly or via at least one or more, e.g. B. from the second
  • multi-stack delivery formed product receptacle 400, are transported or at least can be transported and are stored there or at least can be stored.
  • the stack delivery 400 points in the transport direction T of the substrate sheets S; S' considers e.g. B. four stacks or stack spaces 401 arranged one behind the other.
  • an undesignated, e.g. B. optoelectronic, preferably camera-based inspection system can be arranged, by means of which a quality of the printed substrate sheet S 'is checked or at least can be checked.
  • the substrate sheets S′ are checked in particular for their freedom from defects in comparison with a specified template. Depending on this test result, the substrate sheets S' are then placed on a specific stack of the multi-stack delivery.
  • the printed images of a specific print length are or will be replaced by substrate sheets S; S' formed substrate sections S; S' are formed by repeating lengths formed in a row S; S', which are then wound into a product roll or into a substrate sheet S; S' are or can be cut and stacked.
  • the at least one printing unit 500 that operates according to a gravure printing process in the first and/or second conveyor section 200; 300 one or more further printing units working according to the same or different printing processes can be provided.
  • Printing unit 500 that operates according to an intaglio printing process, in particular an intaglio printing process, hereinafter also referred to as intaglio printing unit 500, in particular intaglio printing unit 500 or intaglio printing unit 500, comprises at least one printing unit cylinder 501 that also acts and/or is designated as impression cylinder 501 and a printing point with impression cylinder 501 502 forming printing unit cylinder 503, in particular intaglio printing cylinder 503, designed as forme cylinder 503 for gravure printing, impression cylinder 501 and forme cylinder 503 preferably being or at least being set against one another under high pressure.
  • the impression cylinder 501 preferably comprises one or m axially extending cylinder channels on the circumference, each with a holding means, e.g. B. a gripper bar, through which the sheet-like substrate S resting on the impression cylinder 501 can be conveyed through the printing point 502.
  • the forme cylinder 503 carries on its circumference one or more printing forms 504 with a print image to be printed, e.g. B. subject, underlying pattern of depressions 514, hereinafter referred to as "engravings" 514, regardless of their production, unless explicitly specified.
  • the printing form 504 in particular intaglio printing forme 504, both a cylinder outer peripheral surface comprising the indentations 514 or engravings 514 itself, or a preferred embodiment as a printing forme 504 which is or can be arranged detachably on the forme cylinder 503 and comprises the indentations 514 or engravings 514, e.g. B. as a pressure plate 504 or possibly as a printing forme sleeve.
  • the forme cylinder 503 is "multiple sized", e.g. B. m-fold, (with m ⁇ N ⁇ 5 , especially m ⁇ 3), e.g. B. triple large, and is designed to accommodate m, z. B.
  • the engravings 514 are preferably provided in an outer metal layer of the printing forme 504, which is or was coated with a hard metal material, in particular with chromium, after the engravings 514 had been made.
  • the printing unit 500 or the printing machine for printing the substrate S, in particular the substrate sheet S, is preferably designed with multiple copies.
  • the overall image assigned to S' is preferably formed by the print images of a multiplicity of copies N i to be printed on the substrate S in several columns next to one another and in several rows one behind the other, e.g. B. banknotes N i formed.
  • the engraved pattern of a printing forme 504 assigned to the printing length is characterized by a corresponding number of patterns of indentations, e.g. B. Motif engravings formed.
  • a number of first rows or columns with a multiplicity of first patterns of depressions 514 of first panels N i e.g. B. banknotes of a first currency and/or a first denomination
  • a number of second rows or columns with a plurality of second patterns of depressions 514 of second blanks N i e.g. B. banknotes of a second currency on a print length or printing form 504 may be included.
  • the print image to be printed by the printing unit 500 can in principle be a single, e.g. B. over the entire print width and length, ie a substrate portion S; S 'reaching image motif have. In the preferred case here, a plurality per substrate section S; However, the same image motifs are printed on at least a plurality of copies N i , preferably on all copies N i , of the copies N i to be printed.
  • Such an image motif can be a spatially isolated printed image area with complete image information, such as portraits, cultural sites, objects of daily use, landscape details or the like.
  • the image motif can also be alphanumeric information or a regular or irregular pattern - e.g . B. without actual representational meaning - be given.
  • an image motif can also be a combination of the above characteristics.
  • the image motif to be printed in gravure or intaglio printing can be a security feature or part of one that is distinguished, for example, by a particularly high resolution in terms of color and/or color density of, in particular, raised features applied in gravure or intaglio printing , lines or print elements.
  • the wiping cylinder 507 is z. B. coated with a plastic.
  • the forme cylinder 503 or a printing forme 504 provided on it can be inked in one color or preferably in multiple colors by an inking unit 508 .
  • This inking unit 508 can, in its entirety or in sections, be separated from the printing unit cylinder 501; 503 comprehensive printing part 509 can be mounted such that it can be moved away and/or can even be designed to be divisible.
  • the inking unit 508 comprises—with respect to the direction of transport of ink in the inking unit 508 viewed at the upstream end—an inking device 511 supplied or capable of being supplied with printing ink 517, for example by an ink supply system, through which a—e.g. B. first - inking unit cylinder 512 can be colored.
  • this inking unit cylinder 512 comprises indentations 513, hereinafter also referred to as "engravings" 513, regardless of their manufacture, unless explicitly specified, which correspond to the or part of the engravings 514 on the printing forme 504 of the forme cylinder 503.
  • corresponding depressions 513 on color gravure cylinder 512 are on all sides of depression 513, for example by at least 20 ⁇ m and/or by at most 200 ⁇ m, advantageously by at least 50 ⁇ m and/or at most 150 ⁇ m, in particular 80 to 120 ⁇ m, preferably 100 ⁇ 5 ⁇ m larger than the corresponding indentations 513 on the forme cylinder 503.
  • a line width b513 or width b513 on the color gravure cylinder 512 e.g. B.
  • the engravings 513 can be included Inking unit cylinders 512, for example, partially merge into larger engraved areas. With a partial merging of engravings 513 z. B. two or more such partially contiguous depressions 513 as a result of the above enlargement compared to the depressions 514 on the forme cylinder 503 and z. B.
  • the depressions 513 are recognizable at least on an unfused longitudinal section. Areas of depressions 513 that have been fused in this way can also be present, so that as a result of the enlargement and because of a high line density on the forme cylinder 503, individual, e.g. B. internal depressions 513 in such an area are no longer isolated. Nevertheless z. B. in the following such - due to a transfer of the individual depressions 514 on the forme cylinder 503 according to a law on individual, in this case -overlapping depressions 513 on the color gravure cylinder 512 are also considered as corresponding to depressions 514 on the forme cylinder 503.
  • the inking unit cylinder 512 comprising the engravings 513 is also referred to as “ink engraving cylinder” 512, independently of the production of the depressions 513, unless explicitly specified.
  • the first inking unit cylinder 512 which in the region of its lateral surface 518 comprises depressions 513 corresponding to depressions 514 on the forme cylinder 503, can be dyed by the inking device 511 at an application point located on its circumference.
  • the “application point” should also be understood to mean a circumferential section extending in the circumferential direction, at which an application of ink to the first inking unit cylinder 512 by the inking device and/or contact with the printing ink 517 that has been held up takes place.
  • the application at the application point can in principle be designed in any way.
  • the inking device 511 inking the color gravure cylinder 512 comprises an ink original space 516, which is at least partially delimited on the side facing the color gravure cylinder 512 by its lateral surface 518 (see e.g. Figure 3a and Figure 3b , Figure 5a and Figure 5b as well as 15 ).
  • Under the color original space 516 z. B.
  • this is generally understood to be the space in which the printing ink 517 that is to be applied and is in contact with the lateral surface 518 is located. Depending on the design, this can be a color space 516 that is open at the top, open at the bottom, or closed at the top and bottom.
  • the engravings 513 or depressions 513 of the inking unit cylinder 512 are, for example, depressions with a depth z (513) of, for example, up to a maximum of 0.3 mm, in particular a maximum of 0.2 mm compared to the unengraved lateral surface area.
  • Second - inking unit cylinder 519 is provided, which in the region of its - preferably elastic and / or compressible - outer surface 521 separated from each other by deeper points or areas elevations 522; 524; 524' in order in the region of these elevations 522; 524; 524' with the outer surface of the next inking or printing unit cylinder 531; 503 to work together.
  • a color transfer is then z. B. only in the area of these elevations 522; 524; 524'.
  • a color transfer is then z. B. only in the area of these elevations 522; 524; 524'.
  • the elevations 522; 524; 524' lie with her Surface in a cylindrical surface area, which represents the effective cylinder diameter of the color relief cylinder 519 for printing.
  • the elevations 522; 524; 524' can be raised areas 522 in a first embodiment, which correspond to engraved areas 523 of the printing form 504 to be inked. These engraved areas 523 are assigned, for example, to the individual image motifs and cover, for example, in a first embodiment--for example, monochrome image motifs--the entire area of the image motif or the engravings 504 relating to it on the forme cylinder 503.
  • Such elevations 522 are, for example, areas 522 with a surface that extends over an image motif from a large number, e.g. B. more than 100, of engravings 504 provided on the forme cylinder 503 and/or around spatially spaced elevations 522, which extend over spatially separate, in particular not intertwined, image motifs, as is known, for example, from the prior art.
  • the engravings 504 of the same image motif provided on forme cylinder 503 on color relief cylinder 519 have a smaller raised area 522 or a raised area 522 than the area of the image motif elevation 522 that does not extend over all engravings 504 relating to the same image motif and is provided on the color relief cylinder 519.
  • Such a region 522 extends, for example, over an uninterrupted surface or a closed area of indentations 514 on the forme cylinder 503 to be inked using the same color gravure cylinder 512 or belonging to a part of an image motif to be inked with the same color—particularly regardless of the line density present there.
  • On a color gravure cylinder 512 z. B. provided one or more areas 522 with a maximum diameter of its extent of less than 50 mm.
  • the elevations 522; 524; 524 ' are in an advantageous embodiment on several different color relief cylinder 519 of the z. B. as a multi-color printing unit designed printing unit 500, in particular such that they cover the engravings 514 of the image motif on the forme cylinder 503 overall.
  • One or a plurality of disjointed elevations 522; assigned to the same image motif; 524; 524' may be provided on the same color relief cylinder 519 and e.g. B. coloring the engravings 504 of image parts of the same color.
  • elevations 522 are e.g. B. to areas 522, each extending over only part of an image motif or part of the image motif related depressions 514, wherein another part of the same image motif or the image motif related depressions 514 by one or more respective elevations 522 on a another color engraving cylinder 512 of the printing unit 500 is or is covered.
  • these elevations 522 of the same image motif provided on different color engraving cylinders 519 relate to parts of the same image motif or the associated engravings 504 that are adjacent to one another, for example at least partially intertwined and/or interpenetrating parts Area of a copy N i provided image motif areas 522 of several, z. B. two, three, four or even five color gravure cylinders 519 assigned.
  • elevations 524; corresponding elevations 524; 524 e.g. B. in the form of a relief with point, area or preferably line-shaped webs 524; 524', provided which z. B. viewed in plan view and/or in unrolling have a shape and surface correlating to the shape and/or surface of the respective depression 514 .
  • the latter also means here not that the elevations 524; 524' must have the same surface dimensions as the corresponding engravings 514, but that their shape is in a defined relationship to the shape of the corresponding engraving 514 of the printing form 504, which is or is obtained here, for example, using established or to be established laws.
  • Webs 524; 524' merge into a larger structure of an elevation 524' as explained below, but the edge area due to the underlying law, e.g. B. corresponds to the underlying engravings 513.
  • the raised areas 522 and/or elevations 524; 524' including inking unit cylinders 519, where not explicitly specified, are also referred to as "ink relief cylinders" 519, regardless of the type and design of the elevations 524.
  • a greater width b524 is preferably provided than the width b514 or knitting width b514 of the corresponding engravings 514 on forme cylinder 503 or printing forme 504.
  • elevations 524; 524' are e.g. B. two or more partially contiguous bumps 524; 524' as a result of the above-mentioned enlargement compared to the depressions 513; 514 on the color gravure cylinder 512 or on the forme cylinder 503 and z. B. only a small distance from each other, for example, the elevations 524; 524' are still individually recognizable at least on an unfused longitudinal section.
  • Entire areas of merged elevations 524; 524' may be present in such a way that, as a result of the enlargement and because of a high line density on the forme cylinder 503 and/or on the color engraving cylinder 512, individual, e.g. B. internal depressions 513 in such an area are fused and no longer isolated or dissolved at all. are recognizable. Nevertheless, in the following such - as a result of the transfer of the individual depressions 514 on the forme cylinder 503 to individual, in this case overlapping - elevations 524; 524' on the color gravure cylinder 512 (e.g.
  • indentations 514 on the forme cylinder 503 are also regarded as corresponding to indentations 514 on the forme cylinder 503, since they have, for example, a specified specification from the individual engravings 513 on the forme cylinder 503 and/or on the color gravure cylinder 512 result and/or reveal the underlying structure of the depressions 514 on the forme cylinder 503 at least partially at the edge.
  • the individual engravings 514 on the forme cylinder 503 are therefore also the basis for the pattern of corresponding elevations 524 in the event of fusions occurring; 524', which as a result of the laws applied to individual engravings 514 in this sense are also to be understood as corresponding to individual depressions 514 on the forme cylinder 503.
  • at least a number of elevations 524 that are actually resolved individually, ie elevations 524 that correspond exactly to an engraving 513 are preferably also included on the lateral surface 521 of the color relief cylinder 519.
  • this second inking unit cylinder 519 is also referred to as a stencil cylinder 519.
  • elevations 524; 524' on the color relief cylinder 519 as such individual or in the above sense fused correlated, corresponding elevations 524; 524' or possibly just part of the elevations 522; 524; 524', in which case one or more larger raised areas 522 can additionally be provided in the latter case.
  • elevations 522; 524; 524' are, for example, elevations 522; 524; 524' with a height of, for example, between 0.03 and 2.0 mm, in particular between 0.5 and 1.2 mm compared to the non-printing background.
  • the non-printing base is provided at the same depth, so that with elevations rolling in the same cylindrical enveloping surface, the elevations have the same height above the ground.
  • their height above the ground can be greater than that of the elevations 524 correlated to individual engravings 514; 524'.
  • the width b524 of elevations 524 on color relief cylinder 519 that correspond to engravings 514 on printing forme 504 is greater than the width b513 of the engravings 513 that correspond to them on color engraving cylinder 512, and the width of these engravings 513 on color engraving cylinder 512 is in turn greater than the width b514 of the corresponding engravings 514 on the forme cylinder 503 or on the printing forme 504 (see e.g. 4 ).
  • elevations 524; 524' on the color relief cylinder 519 on all sides of the elevations 524; 524' for example by at least 20 ⁇ m and/or at most 200 ⁇ m, advantageously by at least 50 ⁇ m and/or at most 150 ⁇ m, in particular 80 to 120 ⁇ m, preferably by 100 ⁇ 5 ⁇ m larger than the corresponding indentations 513 on color gravure cylinder 512 and /or e.g. B.
  • At least 40 microns and / or at most 400 microns advantageously at least 100 microns and / or at most 300 microns, in particular 160 to 240 microns, preferably 200 ⁇ 10 microns larger than the corresponding depressions 514 on the forme cylinder 503 for at least some of the depressions 514 on the forme cylinder 503, a line width b524 or width b524 of the corresponding depressions 524; 524' on the color relief cylinder 519 z.
  • At least 40 microns and / or at most 400 microns advantageously at least 100 microns and / or at most 300 microns, in particular 160 to 240 microns, preferably 200 ⁇ 10 microns larger than the corresponding depression 513 on the color engraving cylinder 512 and / or z .
  • the contiguous elevations 524' preferably each occupying a contiguous area which results from the superimposition of the relevant corresponding depressions which are each enlarged on all sides by at most 400 ⁇ m, in particular by at most 300 ⁇ m, preferably by at most 200 ⁇ m 514 of the forme cylinder 503 and/or which protrudes on all sides by a maximum of 400 ⁇ m, in particular a maximum of 300 ⁇ m, preferably a maximum of 200 ⁇ m, beyond the surface resulting from a shortest envelope curve around the depressions 514 in question.
  • the color relief cylinder 519 for example, several, e.g. B. at least five, such
  • elevations 524 are preferably provided which, in the area of their smallest diameter, ie a shortest distance between opposing edges or rims, for example a maximum width b524 of 1 mm, in particular at most 0.8 mm, and/or a width of at most 0.8 mm, preferably at most 0.6 mm, greater width b524 than that of the corresponding engraving 514 on the forme cylinder 503 and/or which z.
  • B. depict individual engravings 514 on forme cylinder 503 with a width b524 greater by a maximum of a factor of ten, preferably a maximum of a factor of three, and/or which engravings are spaced apart from one another, for example by 1000 ⁇ m or less, preferably by a maximum of 600 ⁇ m, in particular by a maximum of 500 ⁇ m 514 on the forme cylinder 503 individually, ie can be colored or colored by elevations 524 spaced apart from one another. As elevations 524' merged from individual corresponding elevations 524--in contrast to the above-mentioned raised areas 522--e.g. B.
  • Elevations 524' with a largest diameter of less than 20 mm, in particular less than 10 mm. There are e.g. B. at least one number, in particular a plurality of such individually resolved and/or merged elevations 524; 524' on the color relief cylinder 519, in particular on a surface corresponding to a blank Ni.
  • corresponding elevations 524; 524' for example, an area of corresponding elevations 524; 524' of a first color to be printed or on a first color relief cylinder 519 on all sides of corresponding elevations 524 belonging to the same image motif; 524' of a second color or a second color relief cylinder 524; 524' e.g. B.
  • surveys 524; 524' are e.g. B. more than 50, in particular more than 100, in special designs also more than 250 such, spaced, ie non-contiguous, elevations 524; 524' on the color relief cylinder 519 and/or z. B. at least 5, advantageously at least 10, in particular more than 25, in special designs also more than 50, such, spaced, ie non-contiguous, elevations 524; 524' on a lateral surface area corresponding to a blank N i on the color relief cylinder 519.
  • the color relief cylinder 519 comprises on its lateral surface 21 e.g. B. Bumps 524; 524', which in the area of their smallest diameter has a width b524 of at most 0.6 mm and/or a width b524 that is at most 0.3 mm greater than the width b514 of the corresponding engraving 514 on the forme cylinder 503 and/or which individual engravings 514 on the forme cylinder 504 with a maximum width b513 that is greater by a factor of three and/or which, for example, individually depict engravings 514 on the forme cylinder 503 that are spaced apart by 0.5 mm or less.
  • B. Bumps 524; 524' which in the area of their smallest diameter has a width b524 of at most 0.6 mm and/or a width b524 that is at most 0.3 mm greater than the width b514 of the corresponding engraving 514 on the forme cylinder 503 and/or which individual engravings 514 on the forme cylinder 504
  • areas with more than 20 or more than 50 (individually resolved and/or merged) discontinuous bumps 524; 524' on an area of 10 cm 2 , preferably on an area of 1 cm 2 , and/or with two or more discontinuous elevations 524; 524' which leads to an adjacent elevation 524; 524' have a distance of at most 1000 ⁇ m, in particular at most 500 ⁇ m, preferably at most 300 ⁇ m.
  • the color relief cylinder 519 has on its lateral surface 21 a number of areas of such a surface density corresponding to the number of copies Ni to be printed and/or resolution of surveys 524; 524', which are arranged in rows and columns according to the grid of the copies Ni to be printed.
  • the elevations 524; 524' may not be evenly distributed within such an area and/or may be part of a larger area, which e.g. B. also surveys 524; 524' in a lower areal density and/or higher resolution.
  • the color relief cylinder 519 can have areas on the lateral surface 21, in particular a number of areas corresponding to the number of copies, which are in an area of 10 cm 2 total z.
  • color relief cylinder(s) 519 By designing the color relief cylinder(s) 519 with, for example, the above Way corresponding - individual and / or merged - surveys 524; 524', color resolutions and/or image effects that cannot otherwise be realized in gravure or intaglio printing can be realized. This applies not only, but particularly in connection with one of the above Color engraving cylinder 512.
  • Engravings 513 on color gravure cylinder 512 are provided, for example, directly on lateral surface 518 of color gravure cylinder 512, which is at least encompassed by the outer circumference of color gravure cylinder 512, or on the outer circumference of an ink transfer form designed as a printing form, which is in the form of an im Scope closed color transfer mold sleeve 637, z. B. a so-called.
  • Sleeves 637, or as a finite gravure form, z. B. with leading and trailing Color transfer molding end can be formed.
  • the raised areas 522 or bumps 524; 524'of the second inking unit cylinder 512 can also be provided in an advantageous embodiment on the surface of an ink transfer forme, which is in the form of a closed circumference ink transfer forme sleeve, z. B. a so-called sleeve, is detachably arranged or can be arranged on a rotatably mounted or storable cylinder body in the inking unit 508.
  • the inking device 511 comprises, on at least the side of the above-mentioned Application point a restraining means 526, z. B. a squeegee or an ink knife, through which or which viewed in the operating direction of rotation D after the application of ink - and in particular in front of a nip point 776 with a subsequent inking unit cylinder 519 - previously applied to the lateral surface 518 printing ink 517 can be removed.
  • inking device 511 has such a retaining means 526 on at least the side of ink original space 516 downstream in operating direction of rotation D of ink gravure cylinder 512. H. in the region of the downstream end of the ink master space 516, on which previously carried printing ink 517 can be removed by contact with the lateral surface 518 on this.
  • the ink template space 516 is delimited by the retaining means 526 on its downstream side in the circumferential direction.
  • the inking device 511 is preferably configured without ink zones, ie, for example, without individually adjustable ink zones, and/or with a continuous retaining means 526 in the axial direction over the printing width and/or without individually adjustable ink knife sections.
  • the inking device 511 preferably also includes a sensor device 594, through which a measure of the amount of ink and/or filling level present in the ink original space 516, but at least information about the reaching of a critical filling state, e.g. B. for a lower and / or an upper limit of the level can be derived.
  • a critical filling state e.g. B. for a lower and / or an upper limit of the level
  • the preferably hard and unyielding lateral surface 518 of the color engraving cylinder 512 is formed, preferably with a variable or adjustable stripping force, in particular a squeegee, by means of which printing ink 517 applied to non-engraved areas can be removed - essentially completely.
  • a variable or adjustable stripping force in particular a squeegee
  • Complete removal of the printing ink 517 should also be understood to mean the case in which traces of printing ink 517 still remain on unengraved lateral surface areas despite squeegeeing off with physical contact.
  • e Lateral surface 518 is employed.
  • a suitable for this purpose squeegee z. B. higher demands on the abrasion resistance of the standing in working position and / or hardness in physical contact end of the squeegee than it is for an adjustable ink knife and spaced apart during operation would be required.
  • there should be a certain elasticity and/or resilience so that it rests against the lateral surface 518 in a resilient manner and/or over the entire width.
  • the retaining means 526 embodied as a squeegee is formed at least in a section adjoining the squeegee edge 566 with a thickness of 0.7 to 1.3 mm, in particular 0.9 to 1.1 mm.
  • an actuator 551 which moves the squeegee against the lateral surface 518 not only up to the first touching contact, but also up to an at least slight elastic deformation caused by the positioning.
  • the restraining means 526 in particular as a stripping means, e.g. B. as a squeegee, is advantageously designed "positive” or arranged accordingly "positive” in the inking device 511, i. H. employed or can be employed with an inclination to the tangent, so that the tangent at the point of contact with the restraining means 526, z. B. stripping means, in particular the squeegee, on the side of the ink original space 516 forms an acute angle. This angle prevails z. B. at least in the area of the active end, d. H. in one, e.g. B. at least 3 mm long, end section of the restraining means 526, which interacts with or without contact with the lateral surface 518.
  • the pattern of indentations 513 on the color gravure cylinder 512 are at least not all formed without interruption, but have - especially in the case of depressions 513 of great length, z. B.
  • Such a supporting web 515 preferably connects two wheels lying on different sides of the relevant depression 513 with an upper side lying at the undisturbed level. These interpolation points 515 or Support webs 515 prevent elongated depressions 513 - z. B. squeegee edge 566 collapsing, no matter how slight, which can lead to irregularities in the squeegee edge 566 and/or to abrasions on the edges of depressions 513 in the case of a large number of repetitions.
  • support points 515 or support webs 515 are not placed individually in individual indentations 513, but rather when indentations 513 to be provided on color gravure cylinder 512 are derived from imaging indentations 514 on forme cylinder 503, particularly when transforming from or imaging depressions 514 to be provided in specifications for corresponding depressions 513 to be provided on the color gravure cylinder 512, such as e.g. B. explained in more detail below, also taken into account or provided.
  • Support points 515 or support webs 515 of this type can in principle--by means of appropriate software, for example--be provided "randomly", ie in a random, non-regular arrangement.
  • B. brings advantages in terms of avoiding visible structures.
  • supporting points 515 or supporting webs 515 are superimposed on the pattern of depressions 513 on the color engraving cylinder 512 in a regular structure 525 (see e.g. Figure 4ii ). This is preferably at least the entire area of depressions 513 of the same on forme cylinder 503 image motif to be colored, e.g. B.
  • such a regular structure 525 of supporting webs 787 can be designed in different ways.
  • support webs 787 can be provided along straight and parallel lines of an open line structure 525 (see e.g. Figures 4b, i and ii ).
  • support webs 787 on walls of closed, circular or polygonal structures such.
  • honeycomb structures 525 see e.g. Fig. 4b, iii
  • Fig. 4b, iv co-rotating wave structures 525
  • co-rotating wave structures 525 see e.g. Fig. 4b, iv
  • the inking device 511 can comprise, for example, a retaining means 526 embodied as a preferably adjustable ink blade on at least the side of the application point or ink original space 516 that is downstream in the operating direction of rotation D of the ink engraving cylinder 512, through which in the working or operating position a small, preferably adjustable distance of z.
  • a retaining means 526 embodied as a preferably adjustable ink blade on at least the side of the application point or ink original space 516 that is downstream in the operating direction of rotation D of the ink engraving cylinder 512, through which in the working or operating position a small, preferably adjustable distance of z.
  • B. at least 2 microns, in particular at least 5 microns and / or for example less than 100 microns, advantageously less than 50 microns, in particular less than 20 microns, to the lateral surface 518 of the color gravure cylinder 512 can be produced or produced during operation.
  • the printing ink 517 applied to non-engraved areas is limited to a small layer thickness of z.
  • inking unit cylinder 512 or color engraving cylinder 512 having engravings 513 or depressions 513 is also known as "selective cylinder" 512 referred to as.
  • the color relief cylinder 519 has, for example, a—preferably elastic and/or at least slightly compressible—material layer, which forms the lateral surface 521 on its outside and has the raised areas 522 or elevations 524 or depressions lying in between.
  • inking unit 529 also referred to below as inking train 529
  • this color train 529 can be located in the area of the downstream end, e.g. B. directly with the lateral surface 521 of the stencil cylinder 519, with the forme cylinder 503 or its printing forme 504 can be arranged in the printing unit 500 in cooperation.
  • several, e.g. B. at least two such color trains 529 can be arranged around the forme cylinder 503.
  • One or more of the above-mentioned Color trains 529 executed with color engraving cylinder 512 and one or more differently executed, e.g. B. conventional, trained without color gravure cylinder, color units 532, z. B. color trains 532 for example, be associated with an ink fountain comprehensive ink fountain and an ink fountain roller with a flat surface.
  • a so-called color separation of the print image ie a partial print image assigned to this color to be applied, is inked by each of these, for example.
  • the pattern of depressions 513 and/or elevations 524; 524' or raised areas 522 on the relevant inking unit cylinder 512; 519 of two color trains 529 are therefore, at least to a large extent, different from one another.
  • the relevant inking cylinders 512; 519 have different patterns of indentations in each area of the lateral surface 518 corresponding to the same image motif to be printed at the printing point 502.
  • the color train 529 is in the area of the downstream end, e.g. B. dem Color relief cylinder 519, with another, z. B. acting as a transfer cylinder 531 inking unit cylinder 531 arranged to work together.
  • This is in turn arranged in the printing unit 500 to interact with the forme cylinder 503 and preferably has an elastic and/or compressible lateral surface.
  • the additional inking unit cylinder 531 is designed or effective as an ink collection cylinder 531 .
  • the additional inking unit cylinder 531 is designed or effective as an ink collection cylinder 531 .
  • several, z. B. at least two color trains 529 executed in the above manner with color engraving cylinder 512 or a combination of one or more color trains 529 executed in the above manner with color engraving cylinder 512 and one or more differently executed, e.g. B. conventional, trained without ink engraving cylinder, color trains 532 with, for example, an ink fountain comprehensive ink fountain and an ink fountain roller with a flat surface on the circumference of the ink collecting cylinder 531 can be arranged.
  • a total of five color moves 529; 532 may be provided, of which, for example, three - z. B. lower - color trains 529 as selective printing ink 517 entering color trains 529 (short selective color trains 529) and the other two - z. B. upper - color trains 532 are conventionally formed (see e.g. Figure 2b ).
  • another heterogeneous division and/or positioning of selective and conventional color trains 529; 532 e.g. B. a lower and an upper color train 532 of five color trains 529; 532 can be conventional and three selective color trains 529 in between, or a homogeneous design with exclusively selectively developed color trains 529 can be provided.
  • the inking device 511 can be arranged in any way on the free circumference, ie on the circumference that interacts with the lateral surface 518 and is not covered by the nip point 776 for the color relief cylinder 519 or possibly other components.
  • the inking device 511 can, however, be arranged on the side of the color gravure cylinder 512 facing away from the color relief cylinder 519.
  • the above line of contact or line of smallest distance is z. B. on the side facing away from the color relief cylinder 519 side.
  • a line of contact formed between the scraper and the lateral surface 518 of the color gravure cylinder 512 when the retaining means 526 is designed as a stripping means, in particular a doctor blade, or the line of the smallest distance on the circumference of the color gravure cylinder 512 when the retaining means 526 is designed as an ink knife, is therefore in this first embodiment for positioning the inking device 511 on a peripheral section of the color engraving cylinder 512, which is on the side facing the color relief cylinder 519, in particular viewed in the operating direction of rotation D before the intersection line with the above-mentioned vertical plane.
  • a touch contact is of course also to be understood, which, viewed in the circumferential direction, has a real non-zero width, e.g. B. has a width of up to 2 mm.
  • this can be caused by the squeegee edge "snapping in" as a result of contact with the lateral surface 518 and/or it can be intended for better sealing.
  • the inking device 511 is arranged on the side of the color gravure cylinder 512 facing the color relief cylinder 519.
  • One side of the color engraving cylinder 512 is to be understood as meaning a half-space which lies on one side of a vertical plane running through the axis of rotation R512 of the color engraving cylinder 512 .
  • Such an arrangement represents an arrangement of the main inking unit components aligned predominantly in the horizontal direction - namely from the ink supply, through the selective transfer and, if necessary, ink collection and inking of the forme cylinder 503.
  • the inking cylinders 512; 519; 531 and the inking device 511, together with the printing unit cylinders 501; 503 may be provided in a common frame or in a separate one, for example from the printing unit cylinders 501; 503 supporting frame different frame 533; 538, e.g. B. Subframe 533; 538.
  • the inking unit frame 533, 538 is designed to be divisible, basically independently of the special position and/or special design of the inking device 511, but advantageously in connection with one of the above positions and/or designs. It includes a z. B. the at least and the inking device 511 and the color gravure cylinder 512 supporting frame 538, z. B. Partial frame 538, with frame walls provided on both sides, which can be separated from a frame part carrying the color relief cylinder(s) 519 and, if applicable, the transfer cylinders 531 and can be moved away or pushed back radially, in particular horizontally, in order to, for example, in the open state, have an operating and/or or maintenance room for the operating personnel.
  • This frame part can also contain the printing unit cylinders 501; 503, but is preferably designed as a partial frame 533 assigned only to the inking unit 508, which in turn carries the printing couple cylinders 501; 503-bearing, preferably spatially fixed partial frame radially of Printing unit part 509, in particular horizontally, can be moved away in order to form an operating and/or maintenance space for the operating personnel in between, for example in the open state.
  • the inking device 511 Basically independent of the special position and/or special design of the inking device 511, but advantageously in connection with one of the above positions and/or designs, the inking device 511, but at least the restraining means 526, e.g. e.g. stripping means or squeegee or the inking blade, and if necessary the delimitation of the ink original space 516 on the inking unit 511 side, can be adjusted with respect to the radial position relative to the inking cylinder 512, for example closer to or closer to lateral surface 518 and less strongly or further away from it Lateral surface 518 movable (see z. B. indicated schematically by double arrow 534).
  • the setting is done by an actuator 551, z. g.
  • Actuator 551 is preferably designed in such a way that, in particular for the design of retaining means 526 as a doctor blade that makes contact during operation, of the squeegee, the squeegee is tracked towards the lateral surface 518 or against this. In principle, this can be done by a control loop with a sensor that registers the shortening and a drive motor 536 as drive means or by a drive motor 536 that is controlled with respect to the applied torque as drive means.
  • the drive means 536 is designed as a force-based drive means 536, preferably by a fluid-actuated actuator 536, z. B.
  • Working cylinder 536 in particular pneumatic cylinder 536.
  • a contact force can be guaranteed and/or varied in a targeted manner by selecting the pressure level.
  • a force-based drive means 536 can, for example, be adjustable against a—preferably adjustable—stop means for an ink knife that can be adjusted, e.g. at a distance.
  • This adjustment movement preferably takes place at least in an area close to the cylinder, ie for example on at least the last 3 mm before reaching the lateral surface 518, linearly or at least approximately linearly.
  • the conditions on the lateral surface 518 z. B. also with a readjustment or with changing restraining means lengths.
  • a pivoting movement about a pivot axis preferably with a radius of curvature that corresponds to at least twice the color engraving cylinder diameter.
  • a movement or a guide that enforces it, for which the angle of inclination of the restraining means 526 or of the entire moving arrangement—e.g. B.
  • the movement preferably runs linearly in the squeegee blade plane, ie in the direction of the extension running from the holder to the first contact with the color engraving cylinder 512 .
  • the movement can be defined by a guide 576 that defines the path of motion, which is included in the drive train between the drive means 536 and the component to be moved, or forces the component to be moved onto the path of movement parallel to the drive train acting on the component.
  • maintaining guidance 576 can z. B. be provided in particular as a straight linear guide 576 or as a parallelogram guide 576.
  • the inking device 511 or at least the retaining means 526 and the parts forming the ink original space 516 on the side of the inking device 511 are directly or indirectly attached to a side part 537, e.g. B. lateral frame part 537, in particular side plates 537, which in turn is fixed to the frame on a frame 538 of the inking unit 508 or preferably on holding means 539, e.g. B. end-side side parts 539 of a subframe moved along with the color engraving cylinder 512.
  • a side part 537 e.g. B. lateral frame part 537
  • side plates 537 which in turn is fixed to the frame on a frame 538 of the inking unit 508 or preferably on holding means 539, e.g. B. end-side side parts 539 of a subframe moved along with the color engraving cylinder 512.
  • the front side parts 539 can, for example, fixed to an outer, non-rotating, but z. B.
  • eccentrically mounted bearing ring of a radial bearing 672; 691 may be arranged, which receives a front-side cylinder pin 559 or a front-side end 559 of a shaft carrying the inking unit cylinder 512 .
  • a shaft end is also referred to as a journal 559 or cylinder journal 559 of the color engraving cylinder 512 if not explicitly distinguished.
  • eccentric running bearing ring or this bearing ring eccentrically receiving outer ring is z. B. mounted in a frame bore and formed for example as an eccentric ring 733, in particular as an eccentric bushing 733.
  • the two side parts 539 - z. B. in one of the rotation axis R512 (in Figure 5b insertion of the color engraving cylinder 512 - be stiffened by a cross brace 605, in particular cross member 605 (see e.g. indicated as an example in Figure 5b and Figure 10b ).
  • the actuating mechanism and its drive can be designed in such a way that, in addition to adjusting the position of the retaining means 526 and/or the contact force or a distance, the inking device 511 can also be switched off over a large travel distance, e.g. B. at least 50 mm, in particular 100 mm away, can take place.
  • the inking device 511 e.g. B. on the frame part 537, movable away from the color engraving cylinder 512, for example pivotable about an axis 541 provided on the frame part 537.
  • the moving to and fro can be done manually or by a remotely operable drive means.
  • the inking device 511 Basically independent of the special position and/or special design of the inking device 511, but advantageously in connection with one of the above positions and/or designs, the inking device 511, but at least the restraining means 526, e.g. e.g. as a stripping means or squeegee or as a paint knife, and possibly the delimitation of the ink original space 516 on the part of the inking device 511, in the relative axial position to the ink engraving cylinder 512 can be moved, in particular oscillated, for example oscillating between a right-hand reversal position and a left-hand reversal position movably stored.
  • the restraining means 526 e.g. e.g. as a stripping means or squeegee or as a paint knife
  • This movement corresponds to Am Figure 3a and Figure 3b of a movement into or out of the plane of the page and is therefore only indicated by a slightly oblique double arrow 542 and the symbols representing an arrow end and an arrowhead.
  • This oscillating movement preferably takes place over a total stroke of at least 2 mm, e.g. B. a stroke between 3 and 8 mm, preferably between 4 and 6 mm.
  • the ink template space 516 on the part of the inking device 511 is designed to an axial oscillating over a stroke of at least 2 mm, z. B. between 3 to 8 mm, preferably between 4 to 6 mm stroke.
  • the axial movement takes place via an axial drive 552, for example oscillating drive 552, z. g. via a gear 528 comprised by oscillating drive 552 and/or preferably by a remotely controllable drive means 543 comprised by oscillating drive 552, in particular an electric motor 543.
  • Inking device 511 or at least retaining means 526, in particular the squeegee, and the ink original space 516 on the side of the Parts forming the inking device 511 are mounted for this purpose, for example on the frame part 537 or the frame, frame part or partial frame 538 carrying the color engraving cylinder 512 so that they can move axially.
  • This bearing which enables the axial relative movement, can, as explained above, be provided directly or indirectly on the frame 538 of the inking unit 508 or preferably on a holding means 539 fixed to the cylinder be.
  • a frequency for the axial oscillation is, for example, between 0.05 and 1.00 Hz, preferably in the range from 0.1 to 0.3 Hz.
  • a device 544 for the axial equalization of the color level in the color master space 516 e.g. B.
  • a paint distribution device 544, in particular paint stirring device 544 is provided.
  • the ink distributor 546 of the ink distribution device 544 can comprise an ink outlet 619, which is moved or can be moved back and forth axially in the ink template space 516 on the ink distributor 546 and thereby distributes printing ink 517 to be supplied.
  • the particularly viscous printing ink 517 stored in the ink original space 516 forms a so-called ink roller, which is formed directly in front of the retaining means 526 through contact with the lateral surface 518 moving past.
  • the at least one color distributor 546 is axially movable, for example, directly or indirectly on the frame 533 supporting the inking device 511; 538 or preferably on a side part 537; 558 of the inking device 511 or directly on a cross member 547 that may be provided, e.g. B. Traverse 547 stored.
  • a carriage 548 which is axially movably mounted in or on a linear guide 549 and driven by a drive means 581, e.g. B. an electric motor 581, is movable back and forth.
  • a gear converting a rotation into a linear movement - can be moved back and forth by a drive means 581 designed as an electric motor 581 .
  • a drive means 581 designed as a piston-cylinder system 581 that can be actuated by pressure medium.
  • a piston connected to the carriage 548 carrying the paint distributor 546 is moved in an axially running pressure medium chamber 565, e.g. B.
  • the pressure medium chamber 565 runs in a traverse, in particular in the above-mentioned traverse 547 carrying the squeegee holder 554 or the carriage 548 with squeegee holder 554.
  • the two chambers can be supplied with pressure fluid, in particular under overpressure, on both sides of the piston through two separate pressure fluid lines 545 stationary compressed air, be supplied or by such a pressure fluid line 545 via a controlled switching valve.
  • the paint manifold 546 is moved back and forth at a frequency of at least 0.3 Hz, preferably at least 0.5 Hz.
  • the color gravure cylinder 512 is operational - i.e. H. for example for an exchange or for maintenance and/or armament purposes and/or e.g. B. without dismantling other inking unit components - can be found in the inking unit 08 or its frame 533; 538 stored. In one embodiment, this can be removal in the axial direction of the inking unit cylinder 512, or in another embodiment, removal in the radial direction.
  • the color engraving cylinder 512 can be temperature controlled, in particular designed so that temperature control fluid can flow through it.
  • the temperature of the printing ink 517 to be supplied to the ink original space 516 can be controlled in the line path upstream of an exit into the ink original space 516.
  • a temperature control device 604 in particular a heating device 604, is provided, for example, in the paint supply line path.
  • the color engraving cylinder 512 is rotary by its own drive from the other inking unit cylinders 519; 531 and/or printing unit cylinder 501; 503 mechanically independent drive means 616, e.g. B. drive motor 616 can be driven.
  • a first advantageous exemplary embodiment see e.g. Figure 5a , Figure 6a , 7 , Figure 8a , 9, 10a , 11 , 12a , 13 , 14 , 15 , 16 and 17
  • a second advantageous embodiment see e.g. Figure 5b , Figure 6b , Figure 8b , Figure 10b and Figure 12b
  • inking device 511 being arranged on the side of color gravure cylinder 512 facing away from color relief cylinder 519 in the first exemplary embodiment and on the side of color gravure cylinder 512 facing away from color relief cylinder 519 the restraining means 526 z.
  • the inking device 511 comprises, on at least the side of the above-mentioned Application point or the color original space 516 the restraining means 526, z. B. a squeegee or an ink knife, through which or which viewed in the operating direction of rotation D after the application of ink - and in particular before passing through a nip point 776 with a subsequent inking unit cylinder 519 - previously applied to the lateral surface 518 printing ink 517 can be removed.
  • the retaining means 526 is preferably designed as a squeegee and completely removes printing ink 517 previously applied to the lateral surface 518 from unengraved areas in the above sense.
  • the line of contact or, in the embodiment of the retaining means 526 as an inking knife, the line of the smallest distance on the circumference of the inking cylinder 512 is preferably in the area of the upper half, e.g. B. in the range of 10 ° to 30 ° above the horizontal running through the axis of rotation R512, the ink engraving cylinder 512, and for the second embodiment preferably in the region of the lower half, z. B. in the range of 70° to 89° below the horizontal line dividing the color gravure cylinder 512 in the middle.
  • the retaining means 526 which is preferably designed here as a squeegee, is held, in particular clamped, in a two-part retaining means holder 554, in particular a squeegee holder 554.
  • the restraining means holder 554 or the receiving bar 556 can, for example, be designed to be self-supporting and directly, e.g. B. directly on side parts 537; 558, e.g. B.
  • side frame members 537; 558 e.g. side plates 537; 558, but is preferably mounted on or on a cross member 547, z. B. the traverse 547 arranged, the z. B. on both sides of the front frame parts 537; 558 is stored.
  • a part of the receiving bar 556 that continues downward forms the rear boundary of the ink original space 516, either alone or together with the crossbar 547 that may be provided or another component that may be provided the ink template space 516 is open in a first embodiment variant of this first embodiment - except for an ink distributor 546 that may protrude into this from below, an ink distribution device 544 that may be provided and/or an ink collection device 561 that may be provided underneath, for printing ink 517 that may drip off during operation or afterwards
  • a guide device 563 e.g. B.
  • a one-part or multi-part guide plate 563 that just about touches or only almost touches the lateral surface 518, which guides the printing ink 517 to the lateral surface 518 in order to be transported by it again in the direction of rotation to the retaining means 526.
  • the squeegee edge 566 which is spaced from the receiving bar 556 for the arrangement of the inking device 511 in the first embodiment on the color template space side, for example a barrier 564 rising into the color template space 516, e.g. B. Drip Barrier 564, is provided by which run-off of ink 517 at the rear boundary is counteracted.
  • This barrier 564 can be formed by shaping the receiving bar 556 or by a separate, angled bar 564 .
  • restraining means holder 554, in particular receiving strip 556 is designed to accommodate restraining means 526 of different lengths and/or to accommodate restraining means 526 with different free lengths, i.e. the length of the restraining means holder 554 that is not in the restraining means holder 554 clamped or supported by the receiving bar 556 Section of the restraining means 526 formed.
  • the length of the retaining means 526 or the section thereof is considered to be from the front edge facing the color gravure cylinder 512 to the rear edge remote from the cylinder or to its clamping point or point of support.
  • restraining means holder 554 is designed to accommodate restraining means 526 of different strengths and/or, in addition to a restraining means 526 effective for removing printing ink 517, a support element (not shown), which compensates for a height difference for thinner restraining means 526 and/or which is mounted on the cylinder-near side protrudes from the retaining means holder 554 and the retaining means 526--particularly in the case of the embodiment as a doctor blade provided for the physical contact--is supported on that side which forms an obtuse angle with the cylinder tangent in the line of contact.
  • restraining means 526 of different thickness and/or rigidity can be provided and/or can be used in restraining means holder 554.
  • the color original space 516 is frontally closed by side parts 567, e.g. B. side plates 567 limited.
  • side parts 567 also referred to as side seals, close the color template space 516 from the side and have the side 568 facing the color gravure cylinder 512, e.g. B. seal side 568, a complementary profile to the cooperating cylinder peripheral section. In this way, this side can be placed against the cylinder peripheral section in question with almost no gap.
  • the side parts 567 can be formed from an at least slightly compressible and/or elastic material, or on the side 568 effective for sealing, an overlay made from a flexible material, e.g. B. compressible and / or elastic material.
  • the side parts 567 are z. B. on the front side of the receiving bar 556 of the Retaining means holder 554 and/or arranged on the cross member 547 carrying it, in particular releasably fastened. They can be movably mounted in the direction of color gravure cylinder 512 and z. B. by spring means, z. B. compression spring, be biased in the direction of color engraving cylinder 512. In the contact position, the two side parts 567 interact directly with the lateral surface 518 having the engravings 513 or, in the case of an ink transfer form carried by the ink engraving cylinder 512 and having the engravings, preferably with edge regions of this ink transfer form.
  • a removal device 572 can be provided behind the retaining means 526 in the direction of rotation, through which on the edge of the retaining means 526 can be removed from the edge before it is detached and entrained on lateral surface 518, or in another embodiment, printing ink 517 that has accumulated and been entrained can be retained by the second inking unit cylinder 519 before it enters nip point 776.
  • a holding device 569 may be connected to the underframe, on which - preferably in connection with the arrangement of the inking device 511 in the first embodiment - a removal device 572, which may be provided and is explained in more detail below, is arranged, in particular can be arranged detachably.
  • the components directly surrounding the color original space 516 on the side of the inking device 511 e.g. B. at least the restraining means holder 554 together with the restraining means 526, if necessary the cross member 547, if necessary the side parts 567, a possibly provided removal device 572 or holding device 569 for a removal device 572 and possibly fixed to these components but z. B. for maintenance or set-up purposes detachably arranged other components such.
  • B. further restraining means and/or any inking blade drives provided are also referred to in their entirety below as ink original unit 571, especially in connection with a restraining means 526 designed as an inking blade also as ink fountain 571.
  • This color original unit 571 can preferably be removed as a whole from the inking device 511 (see, for example, using the second embodiment for the arrangement of the inking device 511 in Figure 6b indicated, but is also shown rotated by 180° about a vertical central axis from the other side for viewing purposes), but can advantageously be moved at least within inking device 511 from a working position to a maintenance or set-up position that is further away from color gravure cylinder 512.
  • the color template unit 571 - such. B. as an example based on the execution Figure 3a and Figure 5a shown - e.g. B.
  • linearly movable in particular linearly movable, directly on the frame, frame part or partial frame 538 carrying the color engraving cylinder 512 or preferably on a side part 537; 558, e.g. B. frame part 537; 558, in particular a side plate 537; 558, which in turn is mounted directly or indirectly - for its part movable or rigid - on the frame, frame part or partial frame 538 carrying the color engraving cylinder 512.
  • the linearly movable mounting preferably takes place via a linear guide 573, e.g. B. dovetail guide 573.
  • a linear guide 573 e.g. B. dovetail guide 573.
  • the color original unit 571 comprising the retaining means holder 554 and the retaining means 526 can be embodied as removable as a whole from the inking device 511, in particular from the cross member 547 remaining in the inking device 511 and directly or indirectly supporting the retaining means holder 554.
  • the color original unit 571 is attached via fastening means, e.g. B. via screws or a lock, indirectly or directly on the cross member 547 can be fixed.
  • the retaining means 526 in particular the color original unit 571 comprising the retaining means 526 and/or delimiting the color original space 516, is controlled by an actuator 551 with z.
  • a drive means 536 and / or a gear 527 adjustable in its or their radial position relative to the color gravure cylinder 512, in particular on this and can be removed from this.
  • Actuating drive 551 is preferably designed - particularly in the case of a removal means 526 provided for physical contact - so that, in the event of abrasion of the effective edge and an associated shortening of restraining means 526, restraining means 526 is repositioned in such a way that the desired and/or present Employment, in particular contact force and/or position, of the squeegee edge on the lateral surface 518 is retained.
  • a sensory determination of the shortening or relief caused by abrasion can be provided or take place by means of appropriate sensors and a corresponding motorized readjustment by a motorized drive means.
  • the drive means 536 can be embodied as a force-based drive means 536, preferably as a pressure-actuated working cylinder 536, in particular a pneumatic cylinder 536.
  • the force here the pressure, can preferably be varied within at least one adjustment range. In this way, a specific contact force can be guaranteed and/or varied in a targeted manner by selecting the pressure level, particularly when the retaining means 526 is designed as a squeegee.
  • execution of the restraining means 526 as - z. B.
  • a distance-adjustable - ink knife is by such a force-based drive means 536, the retaining means 526 or the ink original unit 571 or the restraining means holder 554 carrying the restraining means 526 can be set against a—preferably adjustable—stop means, for example.
  • a guide 576 designed as a parallelogram guide 576 is provided.
  • the color original unit 571 which comprises at least the retaining means 526, is mounted on both sides, or on each side part 558 that supports the color original unit 571 or the retaining means 526 in a relatively movable manner in the above sense, on two rockers 574, in particular running in the manner of two opposite sides of a parallelogram.
  • rockers 574 act on the color original unit 571 carrying the retaining means 526 or on the retaining means holder 554 at two points which are at different distances from the color engraving cylinder 512 and can be pivoted about correspondingly spaced pivot axes. On the frame side, they can be pivoted at the same distance from one another about respective pivot axes, the distance between the pivot axes on the respective rocker 574 being the same for both rockers 574 .
  • the rockers 574 are, for example, in the event that the retaining means 526 or the color original unit 571 comprising it is designed to be axially movable or oscillating, preferably as elastically deformable rockers 574, e.g. B. as sheet metal strips formed.
  • the rockers 574 can be mounted directly on the frame, frame part or partial frame 538 carrying the color engraving cylinder 512, or indirectly on a frame of this type Frame, frame part or partial frame 538 connected, single or multi-part side or frame part 537 be stored.
  • the rockers 574 are preferably mounted on that one-part or multi-part side or frame part 537 on which the drive means 536 causing the adjusting movement acts on the frame side.
  • an electric motor is provided as the drive means 536, but here a working cylinder 536 actuated by pressure medium, in particular a pneumatic cylinder 536, is preferred.
  • the drive means 536 is coupled to the ink original unit 571 or the retaining means holder 554 on the drive side via a coupling that absorbs the relative movement, for example as shown in the example for the first embodiment of the inking device 511. via an articulated connection 577, z. B. via a ball joint head 577, or such. B. provided as an example for the second embodiment of the inking device 511 on a non-changing part of the inking device 511, z. B. the non-changing cross member 547 here.
  • An-positioning is preferably done here via a fluid-actuated actuator 536, which is preferably against a resilient element 535, z. B. at least one compression spring 535 works. The travel is possibly limited by an adjustable stop on the side of the on position.
  • the frame-fixed guide elements 576.1 are, for example, together with the drive means 536 and the optionally provided resilient element 535 in a housing 555, z. B.
  • Bearing housing 555 is arranged, which is arranged directly or indirectly on the inking unit frame 533, 538 or on the above sub-frame 538.
  • guide 576 is designed as a linear guide 576 and/or, for example, in the event that retaining means 526 or an ink original unit 571 that includes it is designed to be axially movable or oscillating, however, the guide elements 576.2 assigned to inking system 511 are not rigid and are directly connected to the Retaining means 526 connected, but with a retaining means 526 - preferably axially movable - supporting component, z. B. one or the above-mentioned cross member 547.
  • the restraining means 526 is, for example, on a carriage 575, z. B.
  • carriage 575 is arranged, which is mounted in one or more axially running guides 585 so that it can move axially (see, for example, using the second embodiment for the arrangement of the inking device 511 in Figure 8b ).
  • this is arranged or arranged detachably on the axially movable carriage 575, for example.
  • the color gravure cylinder 512 and the inking device 511 can be arranged directly on the printing couple frame or on the subframe 538 (533) in question. In an advantageous development, they are mounted on side parts 578 of a subframe that supports color engraving cylinder 512 and inking device 511, which can be moved as a unit, for example along a horizontal direction, on guides 579, for example via slide bearings or, in particular, roller bearings, in particular with the color gravure cylinder 512 to the inking unit cylinder 519 following downstream or can be removed from it.
  • the axial drive 552 is basically an axially acting linear drive, e.g. B. an electric motor rotated and A spindle drive that can be reversed in the direction of rotation, in particular a ball screw drive, or a linear motor that can be reversed in the direction of movement can be provided.
  • the axial drive takes place via a gear 528 that converts the rotation of a drive means 543 designed as an electric motor 543 into a linear movement.
  • a first embodiment includes this gear 528, for example, an eccentric to a z. B. perpendicular to the desired axial direction of rotation axis rotatable drive element 583, in particular one with an axis of rotation z. B. perpendicular to the desired axial direction running eccentric disc 583, which engages in a recess 584, which is provided in the transverse direction firmly or at least rigidly connected to the restraining means holder 554, one-part or multi-part transmission means 586.
  • the latter or the latter can or can, for example, an extension 586, z. B.
  • the recess 584 has a clear width which corresponds to the outer diameter of the eccentric disk 583 or is slightly larger. Perpendicular to this, a larger clear width is provided, for example, which corresponds at least to the diameter of the eccentric disk 583 plus twice the eccentricity.
  • the eccentric disk 583 can be driven directly by the electric motor 543, or via a gear 587, e.g. B. here a corner gear 587 driven.
  • This gear 528 also includes an eccentric to a z. B. rotatable drive element 583 running perpendicular to the desired axial direction, here in particular an eccentric on the front side of a driven by the electric motor 543, z. B. with its axis of rotation perpendicular to the desired axial direction extending shaft 595, arranged coupling 583 here z. B. as a one- or multi-member coupler 586 trained transmission means 586, z. B. a one-piece or multi-piece linkage 586.
  • the shaft 595 can be formed, for example, by the axis 595 of the electric motor 543 itself or by a shaft 595 that continues and/or is driven by it.
  • the one- or multi-part coupler can act directly or indirectly on the color master unit 571, which can be moved axially as a whole, or on an axially moveable carriage 575.
  • radially movably mounted side part 558 is arranged.
  • the recess 584 has a clear width which corresponds to the outer diameter of the eccentric disk 583 or is slightly larger. Perpendicular to this, a larger clear width is provided, for example, which corresponds at least to the diameter of the eccentric disk 583 plus twice the eccentricity.
  • the parts that determine the axial stroke due to the eccentricity e.g. B. the eccentric disc 583 or the eccentric coupling 583 having shaft 595 can be exchangeable in an advantageous embodiment.
  • the inking device 511 comprises an above-mentioned device 544 for axial color distribution and/or equalization with an axially movably mounted ink distributor 546 viewed in the axial direction of the ink engraving cylinder 512 (see e.g. double arrow 588).
  • the at least one ink distributor 546, e.g. B. distributor finger 546 is here, for example, via a carriage 548 on a - z. B. different from the above Traverse 547 - cross member 589, z. B.
  • a further traverse 589, axially movably mounted which in turn is in turn directly or indirectly on the front side of the inking device 511-bearing frame 533; 538 or preferably on a side part 537; 558 of the inking device 511 is mounted.
  • the paint distributor 546 of the paint distributor 544 can instead of the dipping end 553 or preferably additionally an ink outlet 619, which is moved or can be moved back and forth axially in the ink template space 516 on the ink distributor 546 and thereby distributes the printing ink 517 to be supplied evenly axially.
  • the - here z. B. single - color distributor 546 is arranged on a carriage 548, which is axially movably mounted in or on a linear guide 549 and - for example via a rotation into a linear movement converting gear 582 - by a drive means 581, z. B. an electric motor 581, movable back and forth.
  • the gear 582 is preferably embodied here as a gear 582 that converts a rotation into a linear movement, in particular a traction mechanism gear 582 . It includes a - preferably circumferential - traction means 591, z. B.
  • a toothed belt 591 on which the carriage 548 mounted in or on the guide 549, in particular linear guide 549, is fixed in such a way that it follows the axially moved traction means 591 or the strand of a revolving traction means 591, on which it - preferably detachably - is fixed.
  • the traction means 591 is clamped, for example, to a block that is fixed to the carriage.
  • Rollers for example, are provided on the carriage 548 and interact with lateral, axially running guides.
  • the traction mechanism 591 is, for example, by a - z. B. by the traction means 591 partially looped drive wheel 592, z. B. pulley 592, drivable or driven. This is driven or can be driven by the electric motor 581 directly or via a gear.
  • the movement reversal can be controlled, for example, via a non-contact sensor 617, e.g. B. a proximity switch 617 done.
  • a non-contact sensor 617 e.g. B. a proximity switch 617 done.
  • an emergency stop switching element 618 e.g. B. designed as a mechanically actuated emergency stop switch 618, which is provided on the front side of the carriage 548 or with the carriage 548 axially moved component in its path of movement.
  • the distributor finger 546 can be effective for distribution in the area of its front end 553, e.g. B. a mixing head, 553, several stirring elements 593, which for example in the form of paddles or as - z. B. multi-row - arrangement of tines can be formed.
  • the inking device 511 that includes the color distribution device 544 includes a sensor device 594, through which a measure of the amount of ink and/or fill level present in the color original space 516, but at least information about the reaching of a critical fill state, e.g. B. for a lower and / or an upper limit of the level can be derived.
  • a critical fill state e.g. B. for a lower and / or an upper limit of the level
  • an arm lying between the carriage 548 and the stirring head 553 comprises a section 596 for this purpose, which is designed with a lower transverse rigidity in the axial direction compared to the other arm sections.
  • this section 596 is designed with such reduced rigidity in the transverse direction that the arm in this section 596 in the working position during axial movement at operating speed and sufficiently filled ink template space 516 - at least in the axially central movement section and/or at maximum axial speed - experiences significant elastic bending .
  • a sensor 597 e.g. B. strain gauges 597 provided in this section 596.
  • the section 596 carrying the strain gauge(s) 597 can comprise adjoining arm sections due to a web-like taper 598 .
  • the area of the taper 598 can be filled with compressible and/or elastic filling pieces 599.
  • one or more such sensors 597 can also be arranged in a simple design—possibly with losses in accuracy—on an arm with a homogeneous cross section be provided.
  • the senor device 594 operates without contact and/or comprises an optical sensor 597 that is directed at a location in the color original space 516 and picks up radiation reflected from there.
  • the measurement principle can be based on a reflection measurement with or without a specially provided illumination source.
  • the sensor 597 can also be an acoustic sensor 597 that picks up acoustic signals reflected by the printing ink 517 .
  • the sensor device 594 or the strain gauge(s) 597 or other types of sensors 597 is/are operatively connected to evaluation and/or control means (not shown).
  • the printing ink 517 present in the ink original space 516 provides a specific resistance for the ink distributor 546 which is in the working position and oscillates at the operating speed, which results in a specific operationally desired deflection and thus a specific signal. If the master space 516 now lacks ink 517, the resistance decreases and the signal representing the strain changes accordingly.
  • a lower limit can be determined empirically, for example. Although an evaluation of the current fill level via a correlation of the signals with the fill level across a range is conceivable, a simpler version provides for monitoring when a limit value is reached, when this is reached a warning is issued and/or preferably a specific quantity of printing ink 517 he follows.
  • the evaluation and/or control means relating to the filling level can be equipped with an actuating and/or conveying device 601, e.g. B. a valve or preferably a pump 601, be operatively connected, through which printing ink 517 from a paint reservoir 602, e.g. B. an ink tank 602, in the ink master space 516 can be conveyed.
  • the funding is z. B. via a line system with at least one flexible and/or at least one rigid line section 603.
  • the printing ink 517 can be fed into the ink master space 516 at a z. B. central location or stationary at several axially spaced locations. This, for example, in particular in the event that none of the above Color distribution device 544 is provided.
  • the paint is supplied through the line system via a paint outlet 619 which opens into the paint template space 516 and which is moved back and forth axially in the paint template space 516 or can be moved.
  • the paint outlet 619 is preferably moved together with the paint distributor 553 and is in particular arranged on the paint distributor 553.
  • the line section 603 leading to the paint outlet 619 or at least to a connection point on the carriage 548 can be flexible or, as explained here, rigid.
  • a frame structure 621 can be provided on the side of the frame 538, which guides an upstream flexible line section 622 and/or offers protection for the operating personnel from collision.
  • the feed system includes, in particular in the line system, a temperature control device 604, by means of which the printing ink 517 can be heated to a constant and/or desired operating temperature.
  • a temperature control device 604 by means of which the printing ink 517 can be heated to a constant and/or desired operating temperature.
  • This can basically be anywhere in the conveying path between the ink reservoir 602 and the ink exit point, e.g. B. color outlet 619, provided in the color master space 516 and be executed in any manner.
  • it is preferably designed here as a heating device 604 based on electrical resistance or a heating device 604 based on electromagnetic induction and/or is integrated into a—preferably rigid—line section 603, e.g. B. in the cable sheath, integrated.
  • An advantageous one Execution includes, for example, an excitable by a coil winding tubular sleeve made of ferrous material, which is arranged directly or via a non-magnetic and / or thermally highly conductive coaxial sleeve, z. B. a copper sleeve that forms the actual line itself or surrounds such.
  • the line section 603 and/or an end of the temperature control device 604 near the outlet side is preferably close in the supply system, e.g. B. less than twice the length l639 of a cylinder body 639 of the color gravure cylinder 512 removed, provided for ink exit.
  • the inking device 511 particularly in the area of the color original unit 571 delimiting the color original space 526, such as B. in the area of the restraining means holder 554, means by which the temperature of the printing ink 517 located in the ink master space 526 can be controlled.
  • tempering fluid can be supplied, which after flowing through the inking device 511, in particular the color original unit 571, such as. B. the restraint means holder 554, via an outlet the inking device 511 or color original unit 571, z. B. the restraint device holder 554 leaves.
  • the retaining means 526 interacts with the side of the color gravure cylinder 512 rotating upward during operation, but not only for such an embodiment, precautions are taken that on the downstream side of the edge 566 of the retaining means 526 , e.g. B. the squeegee edge 566, no or at least a larger amount of ink 517 collects.
  • This can, for example, be a measure according to which the restraining means 526 has an ink-repellent, e.g. B. oleophobic surface layer, e.g. B. has coating.
  • a removal device 572 is provided, for example in a first embodiment, through which, if necessary, on the downstream side of the edge 566 of the restraining means 526, z. B. the squeegee edge 566, collecting ink 517 removable from this, in particular removable. Due to the highly viscous nature of the ink 517, this - e.g. e.g. even with the retaining means 526 employed as a squeegee - gradually pass under the edge 566 and accumulate on the other side. This can also be due to the conveying in the engravings 513.
  • the removal from the downstream side of the edge 566 can basically be done in different ways. For example, a blowing device, e.g. B. a so-called.
  • z. Am Figure 5a and Figure 6a illustrated embodiment includes the removal device 572 as a removal means 606; 606' a cleaning belt 606 - which extends in its width in the axial direction of the inking cylinder 512, preferably over at least the entire width of the retaining means 526 and/or the ink original space 516 delimited on the front side by the side parts 567 - which is adjacent to the downstream edge 566 of the retaining means 526 in a small distance from the lateral surface 518 of the color gravure cylinder 512, z. B. less than 10 mm, z. B. less than 5 mm, preferably less than 3 mm apart, is guided past this or can be guided past it.
  • the cleaning belt 606 is or will be z. B. order in the axial direction of the Color engraving cylinder 512 running and in particular over at least the width of the cleaning belt 606 extending deflection element 607 out.
  • the distance from the edge 566 viewed in the direction of rotation is z. B. also less than 10 mm, z. B. less than 5 mm, preferably less than 3 mm.
  • the fresh cleaning tape 606 is taken from a supply 608, e.g. B. a roll 608, possibly via one or more deflection elements 611, z. B.
  • deflection rollers 611 introduced into the angle between the lateral surface 518 and the downstream side of the restraining means 526, there by a - deflection element 607, z. B. guide wedge 607, deflected, and possibly via one or more deflection elements 612, z. B. pulleys 612 collected in a receptacle 609, z. B. is wound onto a roll 609.
  • An at least slightly absorbent cleaning belt 606, in particular a paper web 606, is preferably provided as the cleaning belt 606.
  • the above-mentioned elements of the removal device 572 are preferably arranged in a common frame 613, which can be removed as a whole from the inking device 511, e.g. B. from the above-mentioned holding device 569 - for example after opening a possibly provided holding and / or locking device 614 - is removable.
  • a doctor blade 606' e.g. B. Fangrakel 606 ' may be provided, which under physical contact or forming a - preferably variable - distance, z. B. of less than 0.5 mm, in particular at a distance of less than 100 microns, against the lateral surface 518 is adjustable. In an advantageous embodiment, this can be adjusted against the lateral surface 518 either with physical contact or with the formation of the aforementioned, preferably variable, distance.
  • the removal device 572 preferably includes an actuator 625, by means of which the catch blade 606' can be brought into the working position and/or its working position can be changed with respect to the distance from the lateral surface 518.
  • this actuator 625 can be used as a mechanism to be set manually be executed, but is preferably via a remotely operable drive means 645, z. B. a drive motor 645 or preferably with respect to the force F adjustable drive means 645, such as. B. a fluid-operated piston-cylinder system 645 adjustable.
  • an adjustable stop means 655 which limits the travel of catch rake 606' or a holder carrying catch rake 606' for its working position, and against which actuating drive 625 places catch rake 606' or a holder carrying catch rake 606' .
  • Stop means 655 can, for example, be an adjusting cam and/or can be adjustable manually or via another remote-controlled drive means.
  • a collecting container 562 e.g. B. a drip tray 562 jointly adjustable, z. B. connected to each other and jointly adjustable by the actuator 625, z. B. pivotable, be arranged on the holding device 569.
  • An embodiment is advantageous such that the collecting trough 562 together with the catch scraper 606′ are detachably arranged on the holding device 569 so that they can be removed for cleaning or maintenance purposes without complex dismantling.
  • the ink original space 516 is in operation, i.e. in the position where the downstream retaining means 526 is positioned on the upstream side by at least one other, preferably as a squeegee trained restraining means 623 is essentially completely closed.
  • the further retaining means 623 as a stripping device or doctor blade, there can preferably be physical contact or a small distance, e.g. B. less than 50 microns, present or be foreseeable.
  • the ink original space 526 which is closed on both sides, can be used as a chamber in a chamber doctor blade 627 between downstream retaining means 526, e.g. B. as a working blade, and the upstream restraint means 623, z. g. as a closing blade (see e.g. 15 ).
  • This chambered doctor blade 627 can, for example, be self-supporting and directly, e.g. B. directly on side parts 537; 558, e.g. B. side frame members 537; 558, e.g. side plates 537; 558, but is preferably mounted on or on one of the above cross members 547, z. B. the traverse 547 arranged, the z. B. on both sides of the front frame parts 537; 558 stored.
  • a guiding device 624 e.g. B. a baffle 624, to the lateral surface 518 employed or employed. This is used, for example, to catch and drain ink 517 in the chamber after the chamber doctor blade 627 has been switched off and can be placed on and off the lateral surface 518 itself, for example via an actuating mechanism 626 .
  • the engravings 513 are basically independent of the special design of the printing press or printing unit 500, the special position and/or special design of the inking device 511 or their embodiments and variants, but preferably in connection with one of the named designs, embodiments and variants in a first - e.g. e.g. in terms of simple handling, is provided on the color engraving cylinder 512, for example directly on the externally effective lateral surface 518 of the installed color engraving cylinder 512, in particular produced or engraved directly on this outer lateral surface 518 and/or arranged permanently on it .
  • the engravings 513 can in principle directly in the area of a z. B. metallic cylinder surface 631 of a z. B. load-bearing, made of a metallic material such as e.g. g. a steel, cylinder body 628, for example the lateral cylinder surface 631 of a cylinder body 628 designed as a solid cylinder 628, in particular made of a metallic material, preferably steel, or a single or outer cylinder wall, in particular made of a metallic material, preferably steel 629 of a z. B. as a one-piece or multi-piece hollow cylinder 628 designed cylinder body 628.
  • a metallic material such as e.g. g. a steel
  • cylinder body 628 for example the lateral cylinder surface 631 of a cylinder body 628 designed as a solid cylinder 628, in particular made of a metallic material, preferably steel, or a single or outer cylinder wall, in particular made of a metallic material, preferably steel 629 of
  • the above-mentioned lateral surface 518 which carries the indentations 513 or engravings 513 and/or is effective for the color transfer, is thus replaced in this embodiment by the outer, e.g. B. metallic cylindrical surface 631 of the cylinder body 628 itself (see e.g. 18 ).
  • Such a cylindrical surface 631 made of metallic material can be engraved, for example, in the same way that is also used in the production of gravure printing forms 504, preferably designed with a metallic surface, for the forme cylinder 503.
  • a metal or metallic material should be understood here to mean in general all metals and metal alloys that are suitable for the production of such cylinder bodies 628, such as e.g. B. steels, in particular cast, construction or possibly tool steels.
  • the engravings 513 are preferably not directly on the z. B. metal cylindrical surface 631 is provided, but in an outwardly directed surface 632 of a directly or indirectly on the cylinder body 628, z. B. as a cylinder base body 628, provided or foreseeable layer 633, hereinafter z. B. also referred to as active or cover layer 633.
  • This layer 633 is preferably solid, ie operationally non-detachable, e.g. B. via adhesion, on the cylinder surface 631, short lateral surface 631, arranged, for example cohesively connected to this. It extends on the color gravure cylinder 512 z. B.
  • lateral surface 518 which bears the depressions 513 or engravings 513 and/or is effective for the color transfer, is or is in this embodiment thus formed by the outwardly directed surface 632, e.g. B. lateral surface 632, of the layer 633 provided on the cylinder base body 628 (see e.g. 18 , 19 , 20 ).
  • the layer 633 can be made of any material or material mix, provided it is made sufficiently hard and/or abrasion-resistant.
  • This can e.g. B. layers 633 of preferably coated metal or of a ceramic material.
  • the layer 633 preferably has a hard surface with z. B. a Vickers hardness VH of at least 800 HV 10, advantageously more than 1000 HV 10, preferably at least 1100 HV 10, and / or a small porosity with z. B. a porosity of at most 5%, preferably less than 3%, in particular less than 2%, and / or an elasticity according to Young of, for example, between 30 to 70 GPa, preferably from 40 to 60 GPa, and / or a Poisson's ratio of z. B. 0.20 to 0.30 Poisson and / or a fracture toughness of z. B. 4.0 to 5.0 MPa * m 1/2 and / or a tear strength of at least 40 MPa, preferably at least 45 MPa.
  • the layer 633 is preferably designed as a ceramic layer 633, ie made of a ceramic material—in particular with one or more of the above properties.
  • the design of the ceramic material as a technical ceramic is advantageous.
  • the ceramic is preferably designed as an oxide ceramic, particularly advantageously as chromium oxide (Cr 2 O 3 ).
  • the ceramic layer 633 is or is preferably as a coating 633 by a plasma spraying process or a flame spraying process on the Cylinder jacket surface 631 or an intermediate layer 636 provided on this if necessary.
  • the thickness d633, e.g. B. layer thickness d633, the - in particular ceramic - trained layer 633 amounts to 350 microns at most, advantageously at most 200 microns, preferably 160 ⁇ 20 microns in unengraved areas or areas without depression 513 or engravings 513
  • the layer 633 can be arranged directly on the cylinder jacket surface 631, in particular applied, or possibly as an outer layer 633, i. H. the active or cover layer 633 effective for the color transfer, of a multi-layer layer structure 634 can be provided.
  • an intermediate layer 636 e.g. B. a better adhesion serving substrate 636, short adhesion substrate 636, may be provided.
  • Such an intermediate layer 636 can be, in particular at least in the embodiment of the layer 633 directly on the cylinder body 628, for example a CrNi or Al layer 636, e.g. B. be provided with a layer thickness d636 of 0.03 to 0.08 mm.
  • the engravings 513 or indentations 513 are basically independent of the special design of the printing press or the printing unit 500, the special position and/or special design of the inking device 511 or its embodiments and variants, but preferably in conjunction with any of the above designs, embodiments and variants - on the outwardly facing surface 632 of an ink transfer form 637, which is in the form of a circumferential closed ink transfer mold sleeve 637, hereinafter also referred to as sleeve 637 for short, and can be arranged on the cylinder surface 631 of the cylinder base body 628 (see e.g.
  • Such a sleeve 637 can in principle be constructed in one layer, the cylindrical wall in this case being solely due to the depressions 513 or engravings 513 on the outwardly directed surface 632, e.g. B. lateral surface 632, having and / or effective for the color transfer layer 633 is formed.
  • This layer 633 can in principle be replaced by any material, but preferably abrasion-resistant, e.g. B. a metallic or preferably a ceramic material.
  • a multi-layer design of the sleeve 637 is particularly preferred, for example with a carrier layer 638 which, on its outer circumference, in particular on the outwardly directed lateral surface 635, directly or indirectly contains the indentations 513 or engravings 513 and/or for the Color transfer effective, preferably ceramic, layer 633, z. B. top or active layer 633 carries.
  • the carrier layer 638 can form the inner layer of the sleeve 637 or possibly with a further inner layer, z. B. protective or sliding layer.
  • the indentations 513 or engravings 513 on the outwardly directed surface 632, e.g. B. Lateral surface 632, having and / or effective for the color transfer layer 633 is preferably carried out comparable to the layer 633 already specified in more detail above.
  • She preferably has a hard surface with z.
  • B. a Vickers hardness VH of at least 800 HV 10, advantageously more than 1000 HV 10, preferably at least 1100 HV 10, and / or a small porosity with z.
  • the layer 633 is preferably designed as a ceramic layer 633, ie made of a ceramic material--in particular with one or more of the above-mentioned properties.
  • the design of the ceramic material as a technical ceramic is advantageous.
  • the ceramic is preferably designed as an oxide ceramic, particularly advantageously as chromium oxide (Cr 2 O 3 ).
  • the ceramic layer 633 is or is preferably applied as a coating 633 by a plasma spraying process or a flame spraying process onto the lateral surface 632 of the carrier layer 638 or an intermediate layer 636 that may be provided on this.
  • the thickness d633, e.g. B. layer thickness d633, the - in particular ceramic - trained layer 633 amounts to 350 microns at most, advantageously at most 200 microns, preferably 160 ⁇ 20 microns in unengraved areas or areas without depression 513 or engravings 513.
  • the carrier layer 638 can in principle be made of any material, e.g. B. in a respect.
  • the thermal conductivity advantageous embodiment by a metallic material, but is advantageous in terms of assembly and / or handling embodiment by a carbon fiber material, in particular a carbon fiber composite material such. B. CFRP formed.
  • the layer thickness d638 is advantageously less than 5 mm, in particular less than 4 mm, advantageously in the range from 2.0 mm to 3.5 mm, preferably from 2.5 mm to 3.0 mm.
  • the carrier layer 638 preferably has a modulus of elasticity in the circumferential direction of less than 65 GPa, in particular less than 45 GPa, preferably less than 30 GPa.
  • a z. B. better adhesion serving, preferably metallic, Subsurface 636 provided between the carrier layer 638 formed, for example, by a carbon fiber material, and the depressions 513 or engravings 513 and/or the intermediate layer 636, which is preferably metallic, and is effective for the color transfer.
  • This intermediate layer 636 is advantageously formed by a layer 636 of aluminum, e.g. B. with a layer thickness d636 of 0.10 mm to 0.35 mm, in particular 0.20 mm to 0.25 mm.
  • An overall thickness of the sleeve 637 is preferably 3.0 to 5 mm, in particular 4.0 ⁇ 0.2 mm.
  • the carrier layer 638 is made of a metallic material, on which directly or possibly via an intermediate layer 636, z. B. CrNi or Al layer, indirectly the depressions 513 or engravings 513 on the outwardly facing surface 632, z. B. lateral surface 632, having and / or effective for the color transfer, preferably ceramic, layer 633 is provided.
  • a cylinder body 628 provided with a ceramic layer 633 or a sleeve 637 comprising a carrier layer 638--directly or indirectly in the above-mentioned manner--the cylinder body 628 or a sleeve-shaped cylindrical carrier layer 638, e.g. B. as formed by a sleeve-shaped body blank - possibly after an above-mentioned intermediate layer 636 was first applied - with a ceramic layer 633, z. B. with a greater layer thickness d633 compared to the above-mentioned thickness d633 to be provided for the operational state, for example by a plasma spraying process or a flame spraying process, in particular coated.
  • Such an outer diameter is z. B. between 260 and 300 mm, in particular from 270 to 290 mm.
  • the cylinder body 628 or sleeve 637, which is coated and possibly ground to the desired diameter, is then provided with the indentations 513 or engravings 613. This is preferably done by a laser.
  • a laser is advantageously a laser with a near, especially short-wave lying in the infrared range, e.g. B. between 950 and 1,200 nm, preferably lying at 1,064 ⁇ 20 nm radiation maximum.
  • It is designed, for example, to provide a preferably pulsed beam with a preferably adjustable beam cross section of 10 to 15 ⁇ m and/or a focal length of 70 to 90 ⁇ m and/or with a repetition rate of 400 to 600 kHz in the area of the focus.
  • the color gravure cylinder 512 in the inking unit 508 or its frame 533; 538 is operationally removable stored, the color gravure cylinder 512 - for example, a new print job or to replace a worn in the layer 633 color gravure cylinder 512 - against a new, z. B. completely new or revised color gravure cylinder 512 can be exchanged or removed after the end of a production.
  • the cylinder body 628 which is preferably made of steel, or its cylinder wall 629, which is preferably made of steel, to form a ready-to-use color engraving cylinder 512 with the sleeve 637 that includes the indentations 513 or engravings 513 on its lateral surface 518 to be fitted or to be removed at the end of production or for a change in production.
  • the color gravure cylinder 512 in the inking unit 508 or its frame 533; 538 is stored in a removable manner during operation, the color engraving cylinder 512 or the still unequipped cylinder body 628 - for example to set up a new print job or to replace a worn sleeve 637 - can be removed from the inking unit 508.
  • the color gravure cylinder 512 is e.g. B. on the inking unit 508. If necessary, after the basic cylinder body 628 has been freed from a previously worn sleeve 637 , the new sleeve 637 is slipped onto the basic cylinder body 628 .
  • means are preferably provided to support the pulling on of a sleeve 637 .
  • the cylinder body 628 comprises one or more outlet openings 641 in the area of the cylinder jacket surface 631 as means to support the pulling on of a sleeve 637; 644, e.g. B. Blowing ports 641; 644, which can be acted upon at least for removing or putting on a sleeve 637 via a line system from the inside with a pressurized fluid, in particular with compressed air.
  • At least one first outlet opening 641 - in particular near the front side - or a first group of outlet openings 641 distributed or spaced apart from one another in the circumferential direction - preferably lying on the same circumferential line - is preferably provided in at least one section of the basic cylinder body 628 close to an end face, through which - e.g . B. to pull on a new sleeve 637 - a color transfer mold sleeve 637 pushed with its front end over the at least one first outlet opening 641 or first group of outlet openings 641 is or can be acted upon by a radially outwardly directed force when pressure is applied from the inside.
  • This first outlet opening 641 or group is, for example, viewed in the axial direction at a maximum of ⁇ 10 mm from the lateral edge of the cylinder body diameter D628, which is the maximum usable cylinder section and has a constant cylinder body diameter. At least on the side from which the sleeve 637 is to be pulled on, this section can already begin directly in the area of the front edge of the cylinder barrel 639 or immediately next to an end cap 662 .
  • the cylinder barrel 639 is longer than the maximum length I639 intended for inking and/or the maximum printing width and is chamfered in the area of its barrel edge on the side from which sleeves 637 are to be pulled on.
  • it preferably has on this side in the area of the front end a opposite to the above Target diameter smaller diameter, which steadily increases over an axial section 642 away from the front end up to the beginning of a maximum width intended for coloring for use to the full target diameter.
  • the increase can be linear with increasing axial distance from the front edge and against the section constant target diameter z. B. be inclined at an angle of 0.5 ° to 2 °. This simplifies the process of placing the sleeve 637 on the cylinder jacket surface 631 at the end.
  • the first outlet opening 641 or group of outlet openings 641 is preferably arranged in the transition area between the axial section 642 with increasing diameter and the constant desired diameter.
  • a channel 643 running in the circumferential direction can be provided as a support, into which the first outlet opening 641 or the outlet openings 641 of the first group open. This promotes underwashing of the end of the sleeve that is to be attached, and at least a slight expansion of the sleeve 637 is achieved.
  • stop means 649 can be provided in the area of the side opposite that for pulling open sleeve 637. which protrudes radially over the above section of constant cylinder body diameter D628.
  • This stop means 649 is formed, for example, by a peripheral shoulder 649 that rises in the area of the end face above the lateral surface of a constant cylinder body diameter D628.
  • the first outlet opening 641 or group of outlet openings 641 and the advantageously provided second outlet opening 644 or group of outlet openings 644 are connected by at least one cylinder base body 628, e.g. B. axially extending feed line 646; 647 can be supplied with pressure fluid, in particular compressed air.
  • a single, respective or common entry point 648 into the cylinder body 628 for supplying the exit ports 641; 644 with pressure fluid is preferably provided in the area of the end face or in the area of a pin 559 .
  • a coupling piece 646 for compressed air for example in the form of a valve coupling 648, is provided.
  • first and second outlet port 641; 644 or first and second groups of outlet openings 641; 644 are for this z.
  • separate axially extending supply lines 646; 647 are provided, which can be supplied via the same entry point 648 leading into the cylinder base body 628 .
  • Such outlet openings 641; 644 and supply lines 646; 647 can be mounted in the outer cylinder wall 629 of a cylinder body 628 designed as a hollow cylinder 628 (see e.g. 25 ) or in the near-surface area, e.g. B. lying closer to the circumference than to the cylinder axis, of a solid cylinder 628 formed cylinder body 628 (see e.g. 26 ) be provided.
  • the outlet opening 641 or group of outlet openings 641 near the end face is subjected to pressure fluid, in particular compressed air, with one end of the sleeve 537 leading over the end face and onto the cylinder body 628 pushed, with the out of the outlet port 641 or group of Compressed air flowing out of outlet openings 641 forms an air cushion under the sleeve 637 and/or the sleeve 637 slightly, e.g. B. by at least 5 microns, in particular at least 10 microns diameter widens. Is - as in an advantageous embodiment - a second, z.
  • outlet opening 644 or group of outlet openings 644 is provided, this too is pressurized simultaneously or successively with the first, with the fluid cushion being renewed under the sleeve 637 that has already been pushed on axially up to this outlet opening 644 or group of outlet openings 644 and/or a renewed slight widening takes place.
  • the cylinder base body 628 is or was removed, for example, from the inking unit 508, at its other front end, z. B. on the cylinder pin 559, fixed to a holding device such that the sleeve 637 can be pushed undisturbed onto the cylinder body 628 to its end position. Also, a connection between a source of pressurized fluid, e.g. B. compressed air source, to the entry point 648 in the cylinder body 628 made.
  • a source of pressurized fluid e.g. B. compressed air source
  • this sleeve 637 to be removed is removed by - for example in the above-mentioned Holding device fixed - cylinder body 628 is pulled off, while at least one, in particular at least the outlet opening 644 located in the middle region; 641, preferably all outlet openings 641; 644 is or are acted upon with pressurized fluid, preferably compressed air.
  • the color engraving cylinder 512 that may have been removed for this purpose is reinserted into the inking unit 508.
  • the cylinder body 628 designed as a hollow cylinder 628 comprises at least one first, preferably rotationally symmetrical body 664, for example a first sleeve 664, e.g. B. first tubular sleeve 664, which is supported directly or indirectly with its outside on the inside of the cylinder wall 629 to the outside. In a preferred embodiment, it is supported inwardly with the inside, directly or indirectly, on the outside of a second, preferably rotationally symmetrical body 666, e.g. B. a second sleeve 666, for example second tubular sleeve 666, from.
  • a first sleeve 664 e.g. B. first tubular sleeve 664
  • a second preferably rotationally symmetrical body 666 e.g. B. a second sleeve 666, for example second tubular sleeve 666
  • the first body 664 is arranged axially movable relative to the outer cylinder wall 629, in an advantageous embodiment between the outer wall and the second body 666.
  • the first body 664 in particular designed as a sleeve 664, is provided on both end faces with a space 667 that can be pressurized with pressurized fluid; 668, e.g. B. pressure chamber 667; 558 in operative connection, through the alternating loading of which an axial movement - in the manner of a two-chamber piston system - is or can be brought about in one direction or the other.
  • At least one side of the first, in particular rotationally symmetrical body 666 and the side of the adjacent component facing this side, namely preferably the cylinder wall 629 or the second, in particular rotationally symmetrical body 666 that may be provided, are tapered in opposite directions on the sides facing one another, i.e. with are formed with a radius that varies continuously in the axial direction, and when they move axially toward one another in the manner of a wedge drive, they interact with a movement component and/or application of force resulting in the radial direction.
  • the latter is elastically widened radially—at least slightly—when the pressure chamber 668 causes the two conical surfaces to move towards one another, in particular to be pushed into one another. vice versa when the conical surfaces are moved apart, the force acting radially on the cylinder wall 629 is withdrawn by the pressure chamber 667 causing the moving apart, as a result of which the previously elastically expanded cylinder wall 629 returns to its less or even unloaded radius.
  • the inside of the cylinder wall 629 and the outside of the first sleeve 664 are designed with a conical lateral surface running in opposite directions.
  • first sleeve 664 With a correspondingly rigid first sleeve 664, the fixed mounting of this sleeve 664 on a first end cap 662; 663, the fixed mounting of the cylinder wall 629 on the other end cap 663; 662 and an arrangement of the pressure chamber 668 relating to the first end face as interacting with the outer cylinder wall 629 from the end face, the second sleeve 666 can be omitted.
  • a pressurized liquid in particular pressurized oil, and/or a pressurized fluid source that can be connected to the cylinder body 628 via corresponding lines and a connection is provided as the pressurized fluid.
  • the relevant components are hydraulically shifted axially against each other.
  • a sleeve 637 is pulled open, possibly with prior removal of a previously worn sleeve 637, for example, in the same way as in connection with the outlet opening(s) 641; 644, but with the difference that for mounting and removing the pressure chamber 667 causing a pulling apart is acted upon and for fixing the mounted sleeve 637 the pressure chamber 668 causing the moving towards one another is pressurized with pressure fluid, in particular with oil under excess pressure, is applied.
  • the pressure chambers 667; 668 are connected beforehand to a pressurized fluid source, in particular an oil-hydraulic pump.
  • the special position and/or special design of the inking device 511 can be temperature-controlled in a particularly advantageous embodiment, in particular by Tempering fluid designed to flow through.
  • a temperature control medium inflow 651 on one of its end faces, in particular running coaxially to the axis of rotation R512, and on the other or preferably the same end face, in particular running coaxially to the axis of rotation R512, a temperature control medium return flow 652.
  • Inflow and return flow take place here, for example, in line sections 651 that are coaxial with one another ; 652 and/or via a rotary inlet.
  • the tempering fluid -. B. depending on the structure of the cylinder body 628 - be performed in different ways.
  • the cylinder body 628 is designed as a hollow cylinder 628, for example, an extended space between a cylinder wall 629 and an optionally central line 658, e.g. B. pipeline 658 with tempering fluid.
  • Any tempering fluid to be supplied can be conveyed through the pipeline 658 to the opposite end-side region, from which it flows back via the cavity, or vice versa.
  • a - e.g. B. with regard to a better guided temperature control fluid flow - advantageous embodiment are for the - preferably close to the cylinder jacket flow - one or preferably more flow channels 653; 654 with e.g. B. one opposite the maximum cylinder body cross-sectional area perpendicular to the cylinder axis small flow cross-section (perpendicular to the respective flow direction), for example at most one tenth, in particular at most one twentieth of the maximum cylinder body cross-sectional area.
  • the total flow area is, for example, less than a quarter, preferably less than an eighth, in particular less than a twentieth, of the maximum cross-sectional area of the cylinder body.
  • a cylinder body 628 designed as a hollow cylinder 628 this can, for example, concentrically to the outer cylinder wall 629, have a cylindrical wall 656 of a cylindrical body 657, z. B. a so-called., Also frontally closed displacement body 657, wherein in a simple embodiment between the outer cylinder wall 629 and the wall 656 of the displacement body 657 designed as an annular gap flow channel 653 can be provided.
  • a plurality of axially running annular gap segments can be provided as a flow channel 653 by, for example, axially running separating elements 669, e.g. B. webs or ribs, between the inside of the cylinder wall 629 and the outside of the inner wall 656 are provided.
  • one or preferably several flow channels 653 running helically on the inside of the outer cylinder wall 629 are provided. This or these can be formed by channels placed on the inside.
  • this or these are separated by one or more helically circumferential separating elements 669, e.g. B. webs or ribs, formed between the inside of the cylinder wall 629 and the outside of the inner wall 656 is provided are.
  • the temperature control medium guide provided helically on the inside of the cylinder wall 629 has multiple threads, ie is designed with a plurality of flow channels 653 running next to one another in a helical manner around the cylinder axis.
  • these flow ducts 653, spaced apart in the circumferential direction leave a front distributor space 659 on one side of the cylinder and open on the other side of the cylinder into a collection space 661 on the return flow side, before the collected temperature control fluid is discharged to the outside again via the temperature control medium return flow 652.
  • a z. B. as a solid cylinder 628 designed cylinder body 628 (see e.g. 26 , 27 ) this is, for example, at least in one between end caps 662; 663 lying area of the cylinder barrel 639 in one piece.
  • flow channels 654 it has a plurality of bores 654 spaced in the circumferential direction, radially spaced from the cylinder center axis and running in the axial direction, which are preferably spaced from the center axis in the area close to the cylinder, i.e. more than half, in particular at least two-thirds of the radius.
  • an additional central bore 658 is provided for the fluid flow or return.
  • the end caps 662; 663 can each be formed in one piece with the pin 559 in question.
  • the supplied tempering fluid is, for example, via the distributor space 659, initially via one or more flow channels 653; 654 in an area close to the cylinder jacket into the collection chamber 661 on the other side and from there via a z.
  • central line 658 in particular pipeline 658, to the tempering medium return flow 652, or vice versa, first through the line 658 and back via the or the flow channels 653; 654 in the area near the cylinder jacket.
  • the cylinder body 628 - z. B. in an above mentioned way - designed to be temperature-controlled and comprises one or more flow channels 653 through which temperature-control medium can flow as an alternative or as an additional means to support the mounting or removal; 654
  • a temperature control device providing the temperature control medium e.g. B. a tempering template with integrated tempering, z. B. a cooling device and / or a heating device is preferably designed to provide temperature control fluid with a below ambient temperature, in particular below 20 ° C, preferably below 17 ° C fluid temperature.
  • the temperature control device is preferably also set up to provide temperature control fluid at a temperature above the ambient temperature, in particular above 25° C., preferably 40° C.
  • the temperature control device is advantageously set up to set a desired temperature for the temperature control fluid and/or to keep it constant via a controller.
  • the cylinder body 628 of the color gravure cylinder 512 is first cooled to below ambient temperature, for example to below 20 °C, in particular to below 17 °C, preferably to a temperature of 15 ⁇ 1 °C.
  • the sleeve 637 has, for example, at 20°, a length that matches or is advantageously slightly, e.g. B. 10 to 70 microns, in particular 20 to 60 microns smaller inside diameter. That is, at a temperature of 20 °C, the sleeve 637 would be in the first case without and in the second, advantageous case with a preload on the cylinder surface 631 of the 20 °C warm cylinder body 628 sit.
  • the cooled cylinder body 628 After cooling to z. B. below 17 ° C, preferably at a temperature of 15 ⁇ 1 ° C, the cooled cylinder body 628, for example, the same outer diameter as the clear inner diameter of z. B. 20 ° C warm sleeves 637 or advantageously an undersize, z. B. from 1 to 40 ⁇ m, i. H. one compared to the inside diameter of the uncooled, z. B. 20 °C warm, sleeves 637 to z. B. 1 to 40 microns smaller outer diameter.
  • the sleeve 637 can be slid onto the cylinder body 628 more easily—particularly in the case of an undersize in the outer diameter of the cylinder body 628 .
  • this can be done with additional support from one or more, e.g. B. fluid-actuated or -beetzschlagbare outlet openings 641 set forth above; 644 done.
  • the cylinder body 628 is heated to a temperature of z. B. greater than 30 ° C, preferably heated to 40 ⁇ 3 ° C, which increases the diameter of the heating of the cylinder body 628 and braced the sleeve 637 on its lateral surface 631.
  • the oversize of the cylinder body 638 in relation to the sleeve 637 resting on it and the associated prestressing of the sleeve 637 on the cylinder jacket surface 631 is between 70 and 140 ⁇ m, for example, preferably between 80 and 120 ⁇ m. This ensures that the sleeve 637 is seated firmly and prevents the sleeve 637 from rotating on the cylinder body 628 .
  • a choice of materials for the cylinder body 628 is particularly preferable at least in the area of its outer wall and for the sleeve 637 with the associated expansion coefficients in such a way that at least in the area of a heating from 20 °C to 40 °C, for example, the cylinder body 628 experiences a greater change in diameter in the area of its outer diameter than the sleeve 637 in its inner diameter inner diameter.
  • a sleeve 637 is pulled open, possibly with prior removal of a previously worn sleeve 637, for example in the same way as in connection with the outlet opening(s) 641; 644 trained support means, but with the difference that to pull on and off the sleeve 637, the cylinder body 628 to, for example, below 20 ° C, in particular below 17 ° C, preferably to a temperature of 15 ⁇ 1 ° C , is cooled. Then the z. B. ambient temperature or at least 20 ° C having sleeve 637 pushed on or a removable sleeve 637 deducted.
  • the cylinder body 628 After being pushed on, the cylinder body 628 is heated by the environment, the heat generated during operation and/or by the temperature control device via the heated temperature control fluid, as a result of which the sleeve 637 is braced on the lateral surface 631.
  • the cylinder body 628 is designed to be temperature-controlled and also includes on its lateral surface 631 at least one outlet opening 641 that can be pressurized with pressurized fluid, in particular compressed air; 644
  • a sleeve 637 is then pulled open, possibly with prior removal of a previously worn sleeve 637, for example in the same way as described above in connection with the outlet opening(s) 641; 644 trained support means, but with the difference that beforehand the cylinder body 628 is or was cooled to, for example, below 20 °C, in particular below 17 °C, preferably to a temperature of 15 ⁇ 1 °C.
  • the color engraving cylinder 512 Basically independent of the special design of the printing press or the printing unit 500, the special position and/or special design of the inking device 511 or its embodiments and variants and/or the design of the cylinder body 628, the color engraving cylinder 512 or the arrangement of the engravings 513 or Indentations 513, but preferably in connection with one of the stated designs, embodiments and variants, is the color gravure cylinder 512 that carries the color transfer form 637 firmly on or via a detachable sleeve 637 as a whole or preferably - without removing the cylinder body 628 - only the color transfer form designed as a sleeve 637 637 operational - i. H. for example for an exchange or for maintenance and/or set-up purposes - can be removed from the inking unit 508.
  • the color engraving cylinder 512 as a whole or a sleeve 637 arranged on it can be removed from the inking unit 508 to the side, i.e. in the axial direction of the color engraving cylinder 512 arranged in the inking unit 508, or inserted in it in the opposite direction.
  • this axial removal is of particular advantage in connection with an above-mentioned Arrangement of the inking device 511 on the side facing away from the color relief cylinder 519.
  • inking unit cylinder 512 or a cylinder body 628 it encompasses is in at least one set-up position, in which the entire inking unit cylinder 512, cylinder body 628, or an ink transfer sleeve 637 carried by cylinder body 628 should and/or can be removed axially, on only one its end faces on frame 538; 533 mounted, while this inking unit cylinder 512 or its cylinder body 628 is not mounted on its other end and at least in the area of the axial projection of its cross-sectional area in the plane of the frame without overlapping with the frame 538; 533 or is freely accessible from outside the frame alignment.
  • the inking unit frame 538, 533 has z. B.
  • the above-mentioned uncovered area or the area of free axial accessibility is, for example, at least when the frame 538; 533 given.
  • the first inking unit cylinder 512 can fundamentally be mounted on one side—that is, also during operation—which is also referred to as cantilevered mounting or cantilevered, and be freely accessible in the region of its other end.
  • bearing means 671 e.g. B. a bearing device comprising the outer and inner ring of a radial bearing 672 with rolling elements 673 preferably arranged in between, or possibly a wall element accommodating such a bearing means 671 operationally for setting up or changing the color engraving cylinder 512 or in particular the sleeve 637 from a working position, in which the color gravure cylinder 512 is fixed and ready for use on the frame 533 by the bearing means 671; 538 is stored, can be transferred to a set-up position.
  • the set-up position can be given by any position of the bearing means 671 in which the axial path for removing the color gravure cylinder 512 or in particular the sleeve 637 is released, i.e. is no longer impeded by the bearing means 671 or a wall element carrying it.
  • the bearing means 671 are completely detachable on the wall of the frame 533 on one of the two frame sides, preferably on the so-called operator side. 538 or on one of the above, on the frame 533; 538 movably mounted side part 578, in particular carriage 578, of a subframe carrying the color engraving cylinder 512 together with the inking device 511 in such a way that after loosening appropriate holding means, e.g. B. of screw connections and / or clamping devices, from the color engraving cylinder 512, its pin 559 or cylinder barrel 639 in the axial direction completely from the frame 533; 538 are removable.
  • appropriate holding means e.g. B. of screw connections and / or clamping devices
  • the bearing means 671 are on one of the two sides of the frame, preferably on the so-called operating side, but can be pivoted directly or indirectly on the wall of the frame 533; 538, ie directly on the wall of the frame 533; 538 or on one of the above, in turn on the frame 533; 538 movably mounted side part 578 of a subframe carrying the color engraving cylinder 512 together with the inking device 511, so that after loosening the corresponding holding means, e.g. B.
  • the removable or pivotable bearing means 671 can -. B. with a correspondingly small outer diameter of the radial bearing 672 and / or a change of only the sleeve 637 - a bearing block receiving the outer ring, z. B. Bearing ring and, if necessary, a cover protecting against dirt, the radial bearing 672 remaining connected to the color engraving cylinder 512 or its cylinder barrel 639.
  • At least the radial bearing 672 ie at least its bearing means 671 comprising the outer and inner bearings, can be separated in the axial direction from the cylinder pin 559 and can be moved away from it, e.g. B. completely removable or preferably swing away.
  • these bearing means 671 are preferably also at least indirectly attached to the frame 533; 538 held.
  • the cylinder pin 559 on the end face is in the ready-to-operate installed state of the color engraving cylinder 512--e.g. B. via an axially releasable connection 678 embodied as a clamp seat 678 and/or in particular a conical seat 678, for example with or without an additional form fit with a circumferential effect - releasably connected to a shaft section 677 carrying the radial bearing 672 - in particular on its outside.
  • This connection 678 does not necessarily have to be suitable for the transmission of higher torques, but should accommodate the pin 559 without play in the radial direction in the ready-to-operate installed state.
  • the shaft section 677 is mounted via the radial bearing 672 in a bearing housing 679, which for example on its inside at the same time the outer ring-side bearing surface, z. B. tread wears.
  • the radial bearing 672, the axially releasably connected or connectable shaft section 677, and the bearing housing 679 are encompassed by the bearing means 671, which can be converted into a set-up position, in which the axial path for removing the color engraving cylinder 512 or, in particular, the sleeve 637 is released. ie is not or is not impeded by the bearing means 671 or by a wall element carrying them.
  • the bearing means 671 which preferably comprise the radial bearing 672, the axially releasably connected or connectable shaft section 677 and the bearing housing 679, and which can be moved into the set-up position are also referred to below for brevity as the bearing cap 671, in particular at least one that can be moved.
  • the bearing cap 671 or the bearing housing 679 which can be separated and removed from the cylinder journal 559, together with the radial bearing 672 and the shaft section 677, can now be mounted directly on a frame 533; 538 or subframe 533; 538 of the inking unit 508 attached, e.g. B. be screwed.
  • the bearing cap 671 or the bearing housing 679 is in the ready-to-use installed state, however, on a side part 539; 578 stored, in particular releasably attached via appropriate fasteners, z. B.
  • the bearing cap 671 can be completely removable for set-up after loosening. In a preferred embodiment, however, it can be pivoted on the frame 533 after loosening the connecting elements for the axial separation of the cylinder pin 559 and the shaft section 677 and for releasing the cylinder end face; 538, the eccentrically mounted bearing ring or side part 539, the lever or side part 578. In the latter, preferred embodiment, the bearing cap 671 is mounted ready for operation with, for example, the bearing housing 679 on a z. B. annular end portion 676 of the side part 578, in particular screwed.
  • the bearing cap 671 can be attached via a lateral mechanism, e.g. B. an articulated connection 674 pivoted on the opposite frame 533; 538 to radial movement of the operational color engraving cylinder 512 movably mounted bearing ring or side part 539, lever or side part 578 by the mechanism, for example, in a corresponding recess, the wall of the frame 533; 538 passes through and is thus moved along with the color engraving cylinder 512.
  • a lateral mechanism e.g. B. an articulated connection 674 pivoted on the opposite frame 533; 538 to radial movement of the operational color engraving cylinder 512 movably mounted bearing ring or side part 539, lever or side part 578 by the mechanism, for example, in a corresponding recess, the wall of the frame 533; 538 passes through and is thus moved along with the color engraving cylinder 512.
  • connection 674 is via a coupling on the frame 533; 538 fixed, the coupling resulting in the radial position relative movement between frame 533; 538 and color engraving cylinder 512 or bearing cap 671 accommodates.
  • the two end-side bearing means e.g. B. eccentrically mounted bearing rings or side parts 539, pivotable levers or preferably linearly movable side parts 578, for example by one or more cross members 684 connected to the base frame, in particular reinforced.
  • the base In or on the base is then, for example, directly to the side parts 578 or to one of these connecting, z. B. stronger traverse the inking device 511 attached.
  • the above operational transfer of the bearing means 671 or the bearing cap 671 differs from dismantling or partial dismantling of a bearing z. B. in that during operational transfer no readjustment of the bearing play and/or no removal of a radial bearing 672 and/or no separate removal of a bearing housing 679 and/or no removal or insertion of a bearing ring from or into a frame 538; 533 or one or in a frame wall must be done, but a z. B. at least the radial bearing 672, a shaft section 677 and the bearing housing 679 supporting the radial bearing 672 as a whole, for example as a unit forming the bearing cap 671, can be transferred between the working position and the set-up position are.
  • color engraving cylinder 512 is placed on or off the second or color relief cylinder 519 and away from it preferably by moving color engraving cylinder 512 and inking device 511 together by moving the bearing means that enable the radial positioning movement, for example color engraving cylinder 512 together with side part 539 adjusting eccentric ring or pivoting a lever carrying the color engraving cylinder 512 and the inking device 511, or by linearly moving the lateral part 578 carrying the color engraving cylinder 512 and the inking device 511.
  • inking devices 511 for example (see e.g. among others Fig. 1a , Figure 2a , Figure 3a or Figure 5a ) or the first embodiment of the inker 511 (e.g. see, among others Fig. 1b , Figure 2b and Figure 3b ) executed inking devices 511 are not shown, but preferably on, for example, a respective cross member 547; 684 in an above embodiment - e.g. B. on the side facing or away from the color relief cylinder 519 - arranged.
  • the positions of the radial adjustment movement enabling bearing means, z. B. the above eccentric rings or side parts 539 or the above lever, or the linearly movable side parts 578 by - preferably provided on both sides - actuators 686, which, for example, a drive means 687, z. B. an electric motor 687 or preferably a fluid-operated piston-cylinder system 687, z. B. pneumatic cylinder 687 include, through which a gear 688, z. B. via a comprehensive lever gear 688, the bearing means, z. B. above eccentric rings or Side parts 539 or the above-mentioned levers, or the linearly movable side parts 578, can be adjusted and the color gravure cylinder 512, in particular together with the inking device 511, can therefore be moved radially.
  • the actuator 686 works for queuing z. B. against a - here z. B. as an eccentric or eccentrically mounted stop bolt executed - stop means 689, which is advantageously adjustable in its radial distance to the operating position located in the second or color relief cylinder 519.
  • This can preferably be done by another.
  • This can, for example, comprise a drive means designed as an electric motor, which sets the stop means 689 via a gear, for example a spindle drive.
  • the color gravure cylinder 512 in the embodiment of the cylinder body 628 that can be fitted or fitted with a sleeve 637 is operationally fixed to the frame 533; 538 or on the bearing means, e.g. B. the above Eccentric ring or side part 539 or the above Lever, or the linearly movable side part 578 stored. This is done here via a permanently provided radial bearing 691.
  • an interface 692 in particular a rotary feedthrough 692, can be provided on the front side, through which the cylinder-side temperature control medium inflow and return flow 651; 652 can be connected to corresponding outer line sections.
  • Spaced axially from the radial bearing 691 can be another, e.g. g. a radial bearing 693 spaced at least 50 mm apart, which has axial play between the fixed outer and rotating inner ring when the color engraving cylinder 512 is ready for operation, but is able to support the color engraving cylinder 512 with a separate bearing cap 671 by absorbing at least part of the torque.
  • the further radial bearing 693 is designed, for example, without bearing play.
  • the drive motor 616 which is mechanically independent of the color engraving cylinder 512, can be designed here as a torque motor and/or as a hollow shaft motor 616 and can be designed to surround the front cylinder pin 559.
  • the color gravure cylinder 512 is in a preferred embodiment -. B. in a form set out above - executed tempered.
  • the color engraving cylinder 512 is on both sides with respect to its height relative to the frame 533; 538 adjustable. This can be the case, for example, in the area of the effective coupling between the guides 579 fixed to the frame and the guided side parts 578, e.g. B. be realized eccentrically mounted guide pins.
  • the color engraving cylinder 512 or the unequipped cylinder body 628 is removed axially to equip it with a new sleeve 637 or to pull on a new one, after the bearing cap 671 has been loosened and brought into the set-up position, in particular was panned. Then - z. B. in a manner set out above with or without the help of the exchange supporting means - possibly after the cylinder body 628 was freed from a previously worn sleeve 637 the new sleeve 637 on the Cylinder body 628 mounted.
  • the bearing flap 671 is again on the frame 538; 533 or the movable bearing means enabling the radial adjustment movement, as a result of which the pin 559 of the color engraving cylinder 512 is or is radially supported again on this side of the frame via the connection to the shaft section 677.
  • the storage of the color engraving cylinder 512 on the side of the frame opposite the bearing cap 671 is operationally fixed, ie the color engraving cylinder 512 or its cylinder body 628 cannot easily axially slide out of the frame 538; 533 can be removed, but via one of the - on this side of the frame z. B. not operationally separable axially - cylinder pin 559 medium or directly engaging thrust bearing 683 held against uncontrolled axial movement.
  • it is also designed with the above-mentioned second radial bearing 693 that absorbs the tilting moment.
  • the bearing opposite the bearing cap 671 is also designed such that the color engraving cylinder 512 or at least its cylinder body 628 can be removed from the inking unit 508 axially towards the side of the machine on the side of the bearing flap 671.
  • This can be done, for example, by a separable connection between a cylinder pin 559 and a frame 538; 538 remaining shaft section, for example comparable to the solution on the side of the bearing flap 671, can be realized.
  • a sealing coupling for example, is required between the partial sections of the corresponding line sections 651; 652 to be provided.
  • Cylinder body 628 is removed axially for equipping with a new or renewed color transfer mold 637 of color engraving cylinder 512 or cylinder body 628 after previously loosening bearing cap 671 and placing it in the set-up position, in particular pivoting it. Subsequently, a cylinder body 628 carrying a new or renewed ink transfer mold 637 is inserted with one pin 559 on the opposite side of the frame and the bearing flap 671 located on the removal or assembly side is attached and fastened.
  • a cylinder body 628 that can or is to be fitted with a sleeve 637 can be removed in the manner of the alternative embodiment in order to be fitted with a sleeve 637 or to change the sleeve, fitted and reinserted with the sleeve 637 .
  • z. B. mixed configurations possible such. B. three, for example middle, of five color moves 529; 532 selective and two, e.g. the first and the last color move 529 conventional (see e.g. Figure 33 ).
  • the inking unit frame 533, 538, e.g. B. at the height of the respective color gravure cylinder 512 is not closed even when ready for operation, but rather forms at least at the height of the respective color gravure cylinder 512 between the subframe 538 carrying the color gravure cylinder 512 and the subframe 533 carrying the color relief cylinder 519 - possibly over the height of several adjacent ones selective pressure trains 629 extending - wall opening 694 out.
  • color engraving cylinder 512 which can be removed for replacement or for maintenance and/or set-up purposes, the latter, if necessary with a sleeve 637 arranged on it, is arranged in the radial direction of color engraving cylinder 512 arranged in inking unit 508 from inking unit 508 or the frame 538; 533 can be removed or used in this in the reverse direction.
  • this radial extraction is of particular advantage in connection with an above-mentioned Arrangement of the inking device 511 on the side facing the color relief cylinder 519.
  • the color engraving cylinder 512 together with the pin 559 fixed to the cylinder is designed here - for example at least along the removal path running in the plane perpendicular to the axis of rotation R512 - with a shorter length l512 compared to a clear width w538 of the frame 538 or of a subframe supported by the frame 538.
  • This clear width w538 is also intended to include those versions in which the clear width w538 is not directly defined by the frame walls, but by the distance between the side parts 539 of an above-mentioned, e.g. B. the inking device 511 supporting base is given.
  • the clear width w538 is designed with a clear width w538 that is larger than the pin diameter, at least on a removal path leading from the location of storage to a frame edge.
  • the respective frame wall is designed on its inward-facing side with a predominantly planar surface, e.g. B. cast, with for the above purpose, the distance between these flat surfaces is to be considered as the clear width w538.
  • the drive side of the color gravure cylinder 512 On one side, e.g. B. the drive side of the color gravure cylinder 512, on which it, for example, by a gear from one of the other inking or printing cylinder 519; 531; 503; 501 forth or - as preferred - is driven in rotation by its own drive motor 616, the pin 559 z. B. by a play-free with respect to the angular position of rotation and preferably unique coupling 724, z. B. designed as a claw or star coupling, detachable with a shaft 726, z. B. drive shaft 726, connected or connectable (see e.g. 34 and Figure 35 ).
  • the shaft 726 is, for example in a section or shaft piece closer to the cylinder, via a radial bearing 691 directly or indirectly in a bore or recess of the frame 538; 533 stored.
  • the radial bearing 691 for a radial position of the color engraving cylinder 512 in a z. B. formed as an eccentric bush 728 eccentric ring 728 stored.
  • a radial adjustment is made, for example, by pivoting the eccentric bushing 728 by the drive means 687, e.g. B.
  • B. in the eccentric bushing 728 mounted bushing 738 is arranged and preferably divisible for the removal of the color engraving cylinder 512 with a removable, z. B. upper bearing segment, in particular upper bearing half shell, and a frame-fixed, z. B. lower bearing segment, in particular lower bearing half shell, is formed.
  • the drive motor 616 is arranged here with its motor rotor coaxially to the color engraving cylinder 512 and is directly or indirectly connected with its motor rotor to the cylinder pin 559, in particular detachably.
  • the shaft 726 for example in a cylinder-distant section or shaft piece on its circumference directly the motor rotor, which is surrounded by the motor stator.
  • the motor stator is directly or indirectly fixed to the frame, e.g. B. on the eccentric bushing 728 attached. To prevent twisting of the motor stator compared to the z. B. on the shaft 726 arranged motor rotor z.
  • a further radial bearing 739 is provided, for example, between a motor housing carrying the motor stator and the eccentric bushing 728 .
  • this is coupled to a so-called torque support 741, which absorbs the closing and closing movement and is thus secured against twisting.
  • a radial bearing 731 which is designed to be divisible with a removable, in particular upper bearing half shell for the removal of the color engraving cylinder 512.
  • a temperature control medium inflow and outflow 651; 652 provided on this page.
  • the radial bearing 731 is arranged on a bushing 732 which -. B.
  • eccentric bushing 733 eccentric ring 733 - is mounted in the frame 538.
  • the radial bearing 731 is arranged in particular within the clear width w538.
  • the eccentric bushing 733 can be pivoted by its own drive means or by the first-mentioned drive means 687 via a synchronous spindle.
  • the bushing 732 together with the radial bearing 731 is mounted so that it can move axially in the frame 538 and/or in the eccentric bushing 733 and is driven by an axial drive 734, e.g. B. to decouple the previously opened clutch 724 and / or to correct the axial position of the color engraving cylinder 512, ie the side register, axially movable.
  • the axial drive 734 includes a drive means 736, z. B. a drive motor 736, through which a gear, z. B. a rotary to linear motion converting transmission, the sleeve 732 is axially movable.
  • the transmission here includes z. B. a screw drive 737.
  • the color relief cylinder 519 is in the same frame 538; 533 like the color engraving cylinder 512 or preferably in a part stand 533, from which the part frame 538 supporting the color engraving cylinder 512 can be moved away.
  • the color relief cylinder 519 in which he also as a whole from the frame 533; 538 is to be removable, it can be configured or mounted in a manner corresponding to the manner set forth above axially, or radially in a manner corresponding to the manner set forth above.
  • the color relief cylinder 519 in which it can be equipped with finite color relief shapes, it does not have to be removable for set-up purposes. It can be radially adjusted, for example, on both sides via radial bearings 743, e.g. B. in eccentric rings 742 designed as preferred eccentric bushings 742 (see e.g. Figure 36 ).
  • setting is indicated by a corresponding in Figure 35 drive means 783, not shown, e.g. B. an electric motor 783, or possibly a fluid-operated piston-cylinder system, z. B. pneumatic cylinder effected.
  • the rotary drive can in principle via gears from a downstream inking unit or printing unit cylinder 531; 503; 501, but is preferably provided by a separate drive motor 698. This can take place via gear wheels, but preferably takes place axially to the color relief cylinder 519.
  • the motor rotor is arranged, for example, directly on a one-part or multi-part shaft 747 which extends the cylinder journal 746 in a rotationally fixed manner.
  • the motor stator can be supported by the internal motor bearing ring, but supported against rotation via a torque arm 744 on the frame 533.
  • the color relief cylinder 519 can be temperature-controlled, in particular designed so that temperature-control fluid can flow through it.
  • it has an interface 748, in particular a rotary feedthrough 748, on one of its end bearings, preferably on the side opposite drive motor 698, and a corresponding line routing into color relief cylinder 519, inside this color relief cylinder 519 for its temperature control, and out of it again.
  • the color relief cylinder 519 is preferably connected via an axial drive 749, e.g. B. to correct the axial position of the color relief cylinder 519, d. H. of the side register, axially movable.
  • the axial drive 734 includes a drive means such. B. a drive motor, through which a gear, z. B. a rotation in a linear motion converting gear, with the cylinder pin 746 tension and pressure resistant bushing connected or a ring is axially movable.
  • the transmission here includes z. B. a screw drive.
  • the drive means 616; 698 e.g. B. drive motors 616; 698 of color engraving and color relief cylinder 512; 519 provided on different frame sides.
  • the color gravure cylinder 512 is rotatory in a preferred embodiment by its own, from the drive of the other inking cylinder 519; 531 and/or printing unit cylinder 501; 503 mechanically independent drive motor 616 driven.
  • This and the drive configuration described below is fundamentally independent of the special position and/or special design of the inking device 511, its embodiments and variants and/or the statements, embodiments and variants presented above for the type of arrangement the indentations 513 or engravings 513 on the color engraving cylinder 512 and/or the means supporting the pulling on of a sleeve 637, but advantageously in connection with one of the above-mentioned versions, embodiments and variants.
  • the respective color relief cylinder 519 can be rotated via a mechanical coupling, for example via gears, from the next downstream printing unit or inking unit cylinder 503; 531, for example the forme cylinder 503 or the transfer cylinder 531 that may be provided in between, but is preferably driven by a separate inking unit cylinder 519; 531 and/or printing unit cylinder 501; 503 mechanically independent drive motor 698 can be driven or driven.
  • a mechanical coupling for example via gears
  • the first inking unit cylinder 512 which includes depressions 513, can therefore be used during production, preferably alone or possibly together with the second inking unit cylinder 519, by a drive means that is mechanically independent of the third inking unit cylinder 531 and/or the forme cylinder 503 rotating during production, and whose angular position can be regulated Drive 616, 711 drivable and/or driven.
  • a transfer cylinder 531 in particular ink collection cylinder 531, is provided in printing unit 500 between ink relief cylinder 519 and forme cylinder 503, in a first embodiment this is rotatable via a mechanical coupling, for example via gears 701 that mesh with one another at least during operation; 702, from the next downstream printing cylinder 503, for example the Form cylinder 503 forth, driven or drivable.
  • the transfer cylinder 531 is preferably provided with a drive motor 703, e.g.
  • a transfer cylinder 531 which may be provided, is provided with a - e.g. B. with operating speed V operable - provided drive motor 699, which serves as a set-up drive when coupled separately and z. B. counteracts a tooth flank change during operation with an existing coupling as an auxiliary drive by applying a braking or driving torque to the transmission cylinder 531 .
  • V operable - provided drive motor 699 which serves as a set-up drive when coupled separately and z. B. counteracts a tooth flank change during operation with an existing coupling as an auxiliary drive by applying a braking or driving torque to the transmission cylinder 531 .
  • the drive motor 699 replaces the mechanical coupling to the forme cylinder 503 entirely and rotates the transfer cylinder 531 operationally without further drive coupling to other printing unit or inking unit cylinders 501; 503; 512; 519; 531.
  • the forme cylinder 503 can also be driven by its own drive motor in the above sense, it is preferably mechanically coupled, e.g. B. via gears 706 meshing during operation; 707, together with the impression cylinder 501, is driven or can be driven by a drive motor 704, in particular provided axially or via a drive pinion 708 on the forme cylinder 503.
  • the inking and printing cylinders 512; 519; 531; 501; 503 individually or in groups during operation, ie during production, driving drive motors 616; 698; 699; 704 are preferably used as drive motors 616; 698; 699; 704, in particular as servomotors 616; 698; 699; 704 or preferably as angular position controllable torque motors 616; 698; 699; 704 trained.
  • Wiping cylinder 507 can be driven by the forme cylinder 503 or is preferably short by its own, preferably controllable at least with regard to its rotational speed speed-controlled drive motor 709, e.g. B. also a servo or preferably torque motor 709 driven or drivable.
  • Each of the drive motors 616; 698; 699; 704 is a control and/or regulating device 711; 712; 713; 714, e.g. B. a drive controller 711; 712; 713; 714 assigned, by which the relevant drive motor 616; 698; 699; 704 or the inking unit and printing unit cylinder 512; 519; 531; 501; 503 is operated or can be operated with angular position control.
  • a control and/or regulating device 716, e.g. B. is assigned a drive controller 716, by which the drive motor 709 in question or the wiping cylinder 507 rotated by it is or can be operated with regard to its rotational speed.
  • a drive motor 616 that can be controlled with respect to its angular position or at least its speed of rotation; 698; 699; 704; 709 is used together with its drive controller 711; 712; 713; 714; 716 hereinafter also referred to as drive 616, 711; 698, 712; 699, 713; 704, 714 and 709, 716, respectively.
  • the inking and printing cylinders 512; 519; 531; 501; 503 individually or in groups driving drives 616, 711; 698, 712; 699, 713; 704, 714 receive an angular position ⁇ L of a so-called electronic master axis L that progresses during operation, which is given by the electronically transmitted angular position of a rotary encoder output provided on another unit of the printing press or preferably the angular position ⁇ L of a virtual master axis L.
  • the latter can be driven by one of the drives 616, 711; 698, 712; 699, 713; 704, 714 itself in the manner of a master drive or in an additional controller 717, e.g. B. drive control 717, be or are generated.
  • a setpoint speed V set which can be, for example, an operating speed V desired for production, or production speed V P for short, and/or the signal for starting or stopping is the master axis L can be specified, for example, via a machine controller 718 from a machine control station 719.
  • the angular position ⁇ L of the guide axis L can be assigned to each of the drives 616, 711; 698, 712; 699, 713; 704, 714 or 709, 716, in particular their drive controllers 711; 712; 713; 714; 716, on the input side via a signal connection, e.g. B. a network connection, as a master signal, to which the angular position-controlled drives 616, 711; 698, 712; 699, 713; 704, 714 each as a slave - possibly taking into account drive-specific parameters ⁇ P ⁇ and/or regulations V1; V2 - to follow or have to follow.
  • a signal connection e.g. B. a network connection, as a master signal, to which the angular position-controlled drives 616, 711; 698, 712; 699, 713; 704, 714 each as a slave - possibly taking into account drive-specific parameters ⁇ P ⁇ and/or regulations V1; V2
  • a possibly likewise "coupled" speed-controlled drive 709, 716 receives a signal specifying the speed or also the angle signal, from which it derives the speed.
  • the rule can be a relationship between the target angular position ⁇ S and the angular position ⁇ M supplied as a master on the input side or the time t
  • At least the drive 616, 711; 698, 712 as the master signal on the input side not the angular position ⁇ L of the master axis signal, but the actual angular position ⁇ i ; ⁇ i (531); ⁇ i (501); ⁇ i (503) of a downstream inking or printing unit cylinder 519; 531; 501; 503, in particular of the next downstream inking unit or printing unit cylinder 519; 531; 503, representing angular position ⁇ M or strictly correlated therewith; ⁇ M (512); ⁇ M (519); ⁇ M (531); ⁇ M (503) as master.
  • This drive 616, 711; 698, 712 then follows - for example using predetermined rules - as a slave due to the angular position ⁇ M of the relevant downstream inking unit or printing unit cylinder 519; 531; 501; 503 predetermined angular position signal.
  • the term "downstream” relates to the flow of ink in the printing or inking unit 500; 508
  • the drive 616, 711; 698, 712 for example, a common drive 616, 711; 698, 712 for color engraving and color relief cylinders 512; 519, which of the actual angular position ⁇ i (531); ⁇ i , (501); ⁇ i , (503) of a, preferably next, downstream inking unit or printing unit cylinder 531; 501; 503 follows.
  • a separate drive 616, 711 is provided for the color engraving cylinder 512, which as a slave of the actual angular position ⁇ i (519); ⁇ i (531); ⁇ i , (503) of a, preferably next, downstream inking unit or printing unit cylinder 519; 531; 501; 503, in particular that of the color relief cylinder 519.
  • a separate drive 698, 712 is also provided for the color relief cylinder 519, which, as a slave, drives the actual angular position ⁇ i (531); ⁇ i , (503) of a, preferably next, downstream inking unit or printing unit cylinder 531; 501; 503, in particular that of the forme cylinder 503 or that of the transfer cylinder 531, which is preferably to be provided.
  • sensors 721; 722; 723 can be controlled by the rotary encoder 721; 722; 723, e.g. B. as a motor-internal rotary encoder or as a z. B. its rotor rotatably with the respective inking or printing cylinder 519; 531; 501; 503 or the motor shaft connected encoder attachment, be formed or by an additional, with z. B. its rotor rotatably or forcibly rotating with the relevant inking unit or printing unit cylinder 519; 531; 501; 503 or the rotary encoder 721; 722; 723.
  • the rotary encoder 721; 722; 723 e.g. B. as a motor-internal rotary encoder or as a z. B. its rotor rotatably with the respective inking or printing cylinder 519; 531; 501; 503 or the motor shaft connected encoder attachment, be formed or by an additional, with z. B. its rotor rotatably
  • An actual target angular position ⁇ S ; ⁇ S (512); ⁇ S (519); ⁇ S (531); ⁇ S (503), which of the respective inking unit or printing unit cylinder 512; 519; 531; 503 is to follow, can be made directly by the angular position ⁇ M (L); ⁇ M (519); ⁇ M (531); ⁇ M (503) which, for example, for all "coupled” drives 616, 711; 698, 712; 699, 713; 704, 714 by the angular position ⁇ M (L) specified by the guide axis L or by the way set forth above from an actual angular position ⁇ i , (519); ⁇ i (531); ⁇ i (503) of a downstream inking or printing unit cylinder 519; 531; 503 resulting actual angular position ⁇ i (519); ⁇ i (531); ⁇ i (503) is formed.
  • corresponding parameters can be supplied, which in their entirety 37 are indicated by ⁇ P ⁇ by way of example.
  • the drives 616, 711; 698, 712; 699, 713; 704, 714 or 709, 716 in particular drive controllers 711; 712; 713; 714; 716 via the same first or a further signal connection, e.g. B. network connection, the external conditions into account and / or the operation of the drive 616, 711; 698, 712; 699, 713; 704, 714 or 709, 716 relevant parameters ⁇ P ⁇ can be supplied.
  • Such parameters ⁇ P ⁇ include, for example, information that may be required for a gear factor G1; G2; G3, which z. B.
  • a correction angle ⁇ ; ⁇ (512); ⁇ (519); ⁇ (531) which, for example as a correction of the circumferential register in the formation of the relevant setpoint angular position ⁇ S from the angular position ⁇ M (L) provided as a master; ⁇ M (519); ⁇ M (531); ⁇ M (503) must be taken into account.
  • Such elongations can typically result in the course of a production with gravure printing, in particular with intaglio printing, due to the high contact forces acting in the printing point.
  • the drive 616; 711; 698, 712 set up, for example, the relevant inking unit cylinder 512; 519 according to an angular position ⁇ M (L); ⁇ M (519); ⁇ M (531); ⁇ M (503) cyclically modified setpoint angular position ⁇ S (512); ⁇ S (519) to drive.
  • the modification takes place e.g. B. cyclically with the repetition length on the forme cylinder 503, ie the circumference or an m-th part of the circumference on the forme cylinder 503 in the above sense.
  • the modification takes place, for example, after a drive in question 616; 711; 698, 712 or in particular in its drive controller 711; 712 filed and/or implemented regulation V1; V2, which can be set, for example, by one or more variable parameters g 1 ; g 2 , g 3 , e.g. B.
  • one or more parameters g 1 ; g 2 , g 3 of a non-linear transmission function can be parameterized in terms of their form and/or amplitude, ie can be varied in turn.
  • a cycle length is given, for example, by the mth part of a forme cylinder revolution, where m corresponds to the number of printing lengths or Printing forms 504 corresponds. The repetition length counts here z. B.
  • a regulation V1; V2 implemented, by which, viewed cyclically over a development length of the first inking unit cylinder 512 corresponding to a printing length, a defined deviation from the without application of the rule V1; V2 is built up from the target angular position ⁇ S (512) resulting from the master signal on the input side, and is returned to zero again before the start of a new cycle.
  • the modification over the print length is considered on the inking unit cylinder 512 in question; 519 an angle difference, e.g. B.
  • a lag built up compared to the uncorrected synchronous angular position on the forme cylinder 503, with the passage of the cylinder channel on the forme cylinder 503 correlating peripheral area through the nip with the downstream next inking or printing unit cylinder 519; 531; 503 - e.g. B. using a relation to the printing speed excessive angular velocity - back to the synchronous angular position, z. B. forward, corrected, that is, transferred to the synchronous relative position.
  • the color gravure cylinder 512 and the forme cylinder 503 are in a synchronous relative position at the start of printing, with the angular velocity already assuming the slightly lower value for the build-up of the lag.
  • first inking unit cylinder 512 and forme cylinder 503 in the circumferential and/or axial direction by printing unit 500 For checking and/or adjusting and/or correcting a relative position between first inking unit cylinder 512 and forme cylinder 503 in the circumferential and/or axial direction by printing unit 500, at least one first image element 761 serving as a register mark; 762 printed on the substrate S.
  • a check and, if necessary, an adjustment and/or correction of the relative position between the first Inking or color engraving cylinder 512 and the forme cylinder 503 - z. B. in the circumferential direction, in the axial direction or preferably both - is then carried out using the print result and / or the position of at least one by the printing unit 500 on the substrate S; S' of the first picture element 761 printed on and serving as a register mark; 762.
  • Particular preference is given to checking and automatically setting and/or correcting a relative position in the circumferential and/or axial direction between the first and/or second inking unit cylinder 512 on the one hand and forme cylinder 503 on the other hand and/or checking and compensating for a change in a imaging pattern on the forme cylinder 503, in particular a print image length determined above. elongation, using a first picture element 761 printed on the substrate as a register mark by the printing unit 500; 762; 766; 767 made.
  • the drive 616, 711; 798 of the relevant inking unit cylinder 512; 519 is preferably designed for this purpose in accordance with an embodiment or variant presented above.
  • the first pixel 761; 762 is or will be, in particular, by printing ink from an indentation 514.1; 514.2 are formed or printed, which are only partially formed on the forme cylinder 503 with a projection obtained by unrolling one of at least two indentations 513.1; 513.3; 513.2; 513.4 overlaps and in this way is or was only partially colored with printing ink.
  • the checking and/or adjustment and/or correction preferably takes place using the first-mentioned picture element 761; 762 and one in the same test field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) of the second image element 763 associated with it and serving as a reference mark—printed onto the substrate S by the printing unit 500; 764, which is provided by the printing ink of a further indentation 514.3; 514.4 which is formed on the forme cylinder 503 at least partially with a projection of a second depression 513.1; 513.3; 513.2; 513.4 overlaps and in this way is or was at least partially colored with printing ink.
  • the checking and/or adjustment and/or correction is preferably carried out using the at least one checking element 761; 762 printed picture element 761; 762 and its position relative to the same test field R a (512); R a '(512); R a "(512); R a *(512); R u (512); R u '(512); R u "(512); R u *(512) associated and also on the substrate S; S' via the same inking unit 508 and the forme cylinder 503 via the second depression 514.3; 514.4 on the forme cylinder 503 as a reference element 763; 764 printed second picture element 763; 764
  • the indentations 513.1; 513.3; 513.2; 513.4; 514.1; 514.3; 514.2; 514.4 for distinguishing between indentations 513 (only) involved in the printed image; 514 here e.g. B. also as control wells 513.1; 513.3; 513.2; 513.4; 514.1; 514.3; 514.2; 514.4.
  • R u *(512) can be assessed and evaluated by visual inspection, for example on a test desk.
  • a detection can also be made via a sensor system 753, e.g. B. a camera 753, which is provided directly on the substrate path of the printing press for inline measurement or on the test desk.
  • An evaluation and, if necessary, output of a result e.g. B. to a display device 754, z. B.
  • a display or a Screen can then, for example, be integrated in the sensors 753 or in control means 756, e.g. B. a data processing device 756, implemented software.
  • control means 756, e.g. B. a data processing device 756, implemented software via one or more corresponding signal connections 758 between data processing device 756 and the relevant drive means 616; 736 an automatic correction of the relative position in the circumferential or axial direction, also referred to above as correction of the circumferential and lateral register, can take place.
  • the correction by the operator via z. B. provided at the control station user interface 757, z. B. via mechanical or virtual buttons or buttons.
  • the indentations 514.1; 514.3; 514.2; 514.4 can be integrated in the imaging pattern of the depressions 514 relating to the printed image and can be defined there as such, or else outside of this area.
  • these depressions 514.1 are provided on the forme cylinder 503 for checking the correct relative position; 514.3; 514.2; 514.4 within the printing width or substrate width, but outside the area of those depressions 514 on the forme cylinder 503 which are also combined at the top by the imaging pattern of depressions 514.
  • picture elements 761; 762; 763; 764 are then outside of the print image for the or - z. B. in columns and rows - to be printed benefit N i in an edge area 752 of the substrate S.
  • the depressions 514.1; 514.3; 514.2; 514.4 each overlap at least partially with an above-mentioned projection obtained by unrolling one of the at least two indentations 513.1; 513.3; 513.2; 513.4.
  • the at least two depressions 514.1; 514.3; 514.2; 514.4 by interacting with the depressions 513.1; 513.3; 513.2; 513.4 on the first inking unit cylinder 512 information about the above Relative position in the axial or circumferential direction.
  • the forme cylinder 503, z. B. outside of the imaging pattern at least one line-like, z. B. in development (i.e. developed on a plane) rectilinear, peripheral depression 514.1; 514.2, e.g. B. Examination depth 514.1; 514.2, and on the first inking unit cylinder 512 an associated line or strip-like, z. B. in development straight, running on the circumference depression 513.1; 513.2, e.g. B.
  • Examination depth 513.1; 513.2 provided in such a way that an inking unit cylinder 512; 519; 531 projection of the associated indentation 513.1 running on the color gravure cylinder 512 obtained on the forme cylinder 503; 513.2 the recesses 514.1 running on the forme cylinder 503; 514.2 intersects and in the cutting or overlapping area in the direction of the linear depression 514.1; 514.2 viewed on the forme cylinder 503 is narrower than the length of this depression 514.1; 514.2 on the forme cylinder 503.
  • the recess 513.1; 513.2 runs the projection of the indentation 513.1 running on the color gravure cylinder 512; 513.2 inclined to the depression 514.1 running on the forme cylinder 503; 514.2 and cuts them.
  • the linear indentations 513.1; 513.2; 514.1; 514.2 or projection in development viewed perpendicular to each other.
  • the length of the depression 514.1; 514.2 on the forme cylinder 503 is significantly larger - e.g. B. at least twice as large - as the width of the corresponding depression 513.1; 513.2 on the color gravure cylinder 512 or its projection.
  • the depression 513.1; 513.2 on the first, i. H. the color gravure cylinder 512 and its projection is preferably also linear z. B. in settlement executed straight and runs inclined to the recess 514.1; 514.2 on the forme cylinder 503.
  • the printing ink for the test elements 761, 762 can flow from the color gravure cylinder 512 over a flat surface of a subsequent inking unit cylinder, but preferably over to the indentations 513.1; 513.2 corresponding surveys 524.1; 524.2 or one or more corresponding raised areas 522.1; 522.2 of a color relief cylinder 519 are transmitted.
  • line-like should be understood here—unless a distinction is made explicitly—in addition to lines with small line widths as well as strip-like lines with larger line widths, with a length in particular being greater than a width in each case.
  • the "line-like” indentation or elevation has a line thickness that is constant over the length, wedge-like structures can also be included in the broadest sense.
  • the data assigned to the test element 761; 762 associated depression 514.1; 514.2 on the forme cylinder 503 and the projection of the corresponding depression 513.1; 513.2 on the color engraving cylinder 512 only partially, in particular in a crossing point or section.
  • the position of the intersection or the crossing point supplies the information on the position of the color gravure cylinder 512.
  • Figure 39 is the functionality e.g. B. is shown schematically using the example of a printing unit 500 comprising an ink collecting cylinder 531, this being transferred accordingly to a printing unit 500 without an ink collecting cylinder 531.
  • the at least one test element 761; 762 as well as the different reference element 763; 764 of the same test field R a (512); R a '(512); R a "(512); R a *(512); R u (512); R u '(512); R u "(512); R u *(512) are preferably applied to the substrate S via the inking unit 508 and the forme cylinder 503 during production operation together with the image motif or printed image of the copy or copies N i to be printed; S' printed on, preferably outside of the panel or panels N i of the substrate S to be produced; S', for example in a lateral, leading or trailing edge area 752 surrounding the printed image of the copy N i . B. simplified by visual inspection.
  • a test element 761 relating to the axial relative position between color engraving cylinder 512 and forme cylinder 503 is formed by printing ink, which is formed in the intersection area of a depression 514.1 running linearly in the axial direction on the circumference of forme cylinder 503 and a depression 514.1 that runs in pairs in each case and that is involved in the ink transport inking cylinder 512; 519; 531 on forme cylinder 503 of a depression 513.1 running linearly in the circumferential direction on the circumference of first inking unit cylinder 512 in depression 514.1 of forme cylinder 503 and, during printing, transferred to the substrate S; S' delivered.
  • a test element 762 relating to the relative position in the circumferential direction is or is formed, in the particularly advantageous embodiment specifically described here, by printing ink which is in the intersection of an indentation 514.2 running linearly in the circumferential direction on the circumference of the forme cylinder 503 and a depression 514.2 that runs in pairs in each case and that is involved in the ink transport inking cylinder 512; 519; 531 on the forme cylinder 503 projection of a depression 513.1 running linearly in the axial direction on the circumference of the first inking unit cylinder 512; 513.2 received in the recess 514.2 of the forme cylinder 503 and when printing on the substrate S; S' delivered.
  • a group of--e.g. B. at least 10, in particular at least 20 - on the forme cylinder 503 in the axial or in the circumferential direction next to each other at a first distance from each other and evenly spaced linear depressions 514.1; 514.2 and on the circumference of the color engraving cylinder 512 a group of - e.g. B.
  • the information on the relative position between the first inking unit cylinder 512 and the forme cylinder 503 is or will be via a varying intensity in the coloring of the indentations 514.1; 514.2 are given to linear image elements 761 printed on the forme cylinder 503, which result from the varying overlapping of these depressions 514.1; 514.2 with the projections of the depressions 513.1; 513.2 on the color engraving cylinder 512.
  • the correct relative position between the first inking unit cylinder 512 and the forme cylinder 503 is determined by the position of a characteristic over the course of this fluctuating intensity, preferably by the position of a maximum or a minimum, relative to a reference element 763; 764 of the same test field R a ′′′(512); R u ′′′(512) fixed.
  • This second embodiment is based on an optical impression similar to the moiré effect, which, with changing overlapping of two line grids that differ slightly in line spacing, allows the appearance of wandering maxima and minima of a long-period intensity modulation.
  • the groups of first and second depressions 514.1; 514.2; 513.1; 513.2 are arranged relative to one another in such a way that the forme and color engraving cylinder 503; 512 in the axial or circumferential direction, a maximum of overlap between the first depressions 514.1; 514.2 on the forme cylinder 503 and the projection of the second depressions 513.1; 513.2 in a middle region of the group, i. H. at least within a middle third of the respective group.
  • an assessment can already be made via the human eye without a reference and/or a fault area can be imaged on both sides.
  • the linear indentations 513.1; 513.2, 514.1; 514.2 of the first and the second group are each arranged next to one another in the axial direction and extend with their longitudinal extent in the circumferential direction.
  • the linear indentations 513.1; 513.2, 514.1; 514.2 of the first and the second group are each arranged next to one another in the circumferential direction and run with their longitudinal extent in the axial direction.
  • test elements 761; 762 underlying pairs of wells 513.1; 513.2, 514.1; 514.2 is or becomes a respective reference element 763; 764 on the substrate S;
  • S' formed by printing ink, which is provided in a depression 514.3; 514.4 recorded and when printing on the substrate S; S' is delivered, the color gravure cylinder 512 having a depression 513.3; 513.4, e.g. B.
  • an am Color gravure cylinder 512 for checking the position in the axial direction and serving as a reference recess 513.3 is oversized, e.g. B. of more than 200 microns, compared to the corresponding depression 514.3 on the forme cylinder 503 in the axial direction and the verification of the position in the circumferential direction related depression 513.4 an oversize, z. B. of more than 200 microns, compared to the corresponding depression 514.4 on the forme cylinder 503 in the circumferential direction.
  • the respective oversize exceeds a possibly within the printed image for the indentation 513.3; 513.4 provided on the first inking unit cylinder 512 oversize, for example up to 200 microns, and is intended to ensure reliable inking of the respective reference element 763; 764 corresponding depression 514.3; 514.4 on the forme cylinder 503 in the event of an incorrect relative position to be corrected.
  • the printing ink for the reference elements 763, 764 can flow from the color gravure cylinder 512 over a flat surface of a subsequent inking unit cylinder, but preferably over to the indentations 513.3; 513.4 corresponding surveys 524.3; 524.4 or one or more corresponding raised areas 522.3; 522.4 of a color relief cylinder 519 are transmitted.
  • the respective test field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) can only be a single depression 514.3; 514.4 reference element 763 produced on the forme cylinder 503; 764 (see e.g. Figure 39 and Figure 41 ). In other, regarding a z. B.
  • evaluation of an advantageous embodiment carried out by inspection can be assigned to the test field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) a group of defined spaced apart, via corresponding, z. B. straight, punctiform or rectangular depressions 514.3; 514.4 of reference elements 761 generated on the forme cylinder 503; 762 be assigned in the manner of a scale.
  • the above-mentioned checking and, if necessary, setting and/or correcting an axial relative position preferably takes place via a first test field R a ( 512; R a '(512) ; R a "(512); R a ′′′(512); R a *(512) as well as the above-mentioned checking and, if necessary, adjusting and/or correcting a relative position in the circumferential direction via a second, in particular outside of the panel or panels to be produced N i second test field R u (512); R u '(512); R u "(512); R u ′′′(512); R u *(512) lying in an edge region 752.
  • a relative position is checked in the circumferential direction via two in the transport direction within a printing length on the substrate S; S' spaced test fields R u (512); R u '(512); R u "(512) ; R u ′′′(512 ) ; R u *(512) (512); Ru ′′′ (512); R u *(512) from the respective target position, a periodic variation of the peripheral speed on the first inking unit cylinder 512 compared to that of the forme cylinder 503 can be made for the above-mentioned compensation of a change in length of a printing forme 504 provided on the forme cylinder 503, in particular in correlation to the extent of the difference .
  • test field R a (512) relating to the axial or circumferential direction; R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) per selective color move 529 preferably at least one as a test element 761; 761';762;762' formed pixel 761; 761';762;762' or a group of several test elements 761; 761';762;762' according to e.g.
  • each of the provided - particularly selective - color trains 529; 532 or color gravure cylinder 512 of a z. B. as a multi-color printing unit 500 embodied printing unit 500 a test element 761; 761';762;762' or a group of several test elements 761; 761';762;762' imprinted.
  • the underlying depressions 513.1; 513.2; 514.1; 514.2 on the color engraving cylinders 512 and on the forme cylinder 503 are arranged in relation to one another such that the test elements 761; 761' are aligned in the direction of the printing length when the color engraving cylinders 512 are in the correct relative position relative to one another, and the test elements 762; 762' with the correct relative position of the color gravure cylinders 512 on the substrate S; S' are aligned with each other in the direction of the printing width.
  • test elements 761; 761';762;762' are in relation to the view of the respective color gravure cylinder 512 towards the forme cylinder 503 as a kind of register marks 761; 761';762;762' effective, while considering the position of the color gravure cylinders 512 relative to one another, they act as so-called fiducial marks 761; 761';762;762', also as color register marks 761; 761';762;762' are effective.
  • R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) to one another is thus information about the register, ie the relative position of the color gravure cylinders 512 to one another, and about the relative position between at least one test element 761; 761';762;762' and at least one same test field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) reference element 763 to
  • test elements 761; 761';762;762' of a plurality of color gravure cylinders 512 comprising test field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) can be a single reference element 763; 764 may be provided. However, several reference elements 763; 764 provided, e.g. B. on different sides of the grouping of test elements 761; 761';762;762', specifically at least one on each of the four sides of the array. The at least one reference element 763; 764 can then be applied via one of the color gravure cylinders 512 involved.
  • Such a test field R a (512) comprising several color gravure cylinders 512; R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) can then including the reference element or elements 763; 764 have external dimensions that do not exceed a field of 6 mm ⁇ 6 mm.
  • the picture elements 761; 761', 762, 762';763; 764 line widths of 0.15 to 0.25 mm, preferably about 0.20 ⁇ 0.01 mm and/or distances between the test elements 761; 761';762;762' of different color gravure cylinders 512 of 0.45 to 0.55 mm, in particular 0.5 ⁇ 0.01 mm.
  • a relative position between the second cylinder is preferably also checked and/or adjusting and/or correcting Inking unit cylinder 519, ie the color relief cylinder 519, and the forme cylinder 503 in the circumferential and/or axial direction.
  • test element 766; 767 associated cavity 514.6; 514.7 on the forme cylinder 503 and the projection of the corresponding elevation 524.6; 524.7 or the raised area 522.6; 522.7 on the color relief cylinder 519 only partially overlap, with the position of the overlap providing the information on the position of the color relief cylinder 519.
  • the elevations 524.6; 524.7; 524.8; 524.9 or or raised areas 522.6; 522.7; 522.8; 522.9 here e.g. B. also as test surveys 524.6; 524.7 or reference surveys 524.8; 524.9 or examiner areas 522.6; 522.7 or reference ranges 522.8; 522.9 also as control area 524.6; 524.7; 524.8; 524.9 or raised control areas 522.6; 522.7; 522.8; 522.9.
  • test fields R a (512) relating to the color gravure cylinder 512; R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); R u ′′′(512) can also be the test fields R a (519); R a *(519); Ru (519); R u *(519) in one embodiment in the manner set out above by visual inspection and evaluated or detected by a sensor system 753 and sent to the display device and/or a data processing device 754 and the resulting control commands via a signal connection 759 for automatic correction corresponding drive means 698; 749 to be forwarded.
  • the elevations 524.6, 524.7, 524.8; 524.9 or areas 522.6, 522.7, 522.8; 522.9 lie in the width of the printed image, but are preferably outside the area of the elevations 524 or areas 522 involved in the printed image in an edge area 752 of the substrate S; S' provided.
  • the respective reference element 768; 769 serving surveys 524.8; 524.9 or raised area 522.8; 522.9 is provided with a corresponding depression 513.8; 513.9 inked on the color engraving cylinder 512.
  • the delivery to the substrate S; S' takes place from these directly or indirectly via corresponding depressions 514.8; 514.9 on the forme cylinder 503.
  • test field R a '(519); R u '(519) a group of defined spaced apart, via corresponding, z. B. straight, punctiform or rectangular, first depressions 514.6; 514.7 of image elements 766 produced on the forme cylinder 503; 767 may be assigned in the manner of a scale (see e.g. Figure 47 ).
  • the scale or group of indentations 514.6; 514.7 only inked in a section dependent on the position of the second inking unit cylinder 519 or after wiping as a corresponding part of the scale through part of the image elements 766; 767 pictured.
  • This can e.g. B. on the forme cylinder 503 of a z. B. opposite target position lying in the middle of the scale.
  • this preferably comprises at least one checking element 766; 766';767;767' formed pixel 766; 766';767;767' according to e.g. B. the first version above (see e.g. Figure 46 ), where in Figure 48 exemplarily only two of the five groups of test elements shown there are designated as 766 and 766' or as 767 and 767'.
  • each of the provided color moves 529; 532 or over each of the color relief cylinders 519 contained therein a test element 766; 766';767;767' imprinted.
  • the underlying elevations 524.6; 524.7 on the color relief cylinders 519 depressions 514.6; 514.7 are arranged on the forme cylinder 512 relative to one another in such a way that the checking elements 766; 766' with the correct relative position of the color gravure cylinders 512 on the substrate S; S' are aligned with one another in at least one of their ends viewed in the direction of the printing length, and the test elements 767; 767' with the correct relative position of the color relief cylinders 519 on the substrate S in the circumferential direction; S' are aligned with one another in at least one of their ends in the direction of the printing width (see e.g.
  • the check elements 766; 766';767;767' are also here as a type of register marks 766; 766';767;767' effective, while considering the position of the color gravure cylinders 512 relative to each other in the form of register or color register marks 766; 766';767;767' are effective.
  • R u *(519) Via the relative position of the test elements 766; 766';767;767' or groups of check elements 766; 766';767;767' of a check field R a *(519); R u *(519) to each other is thus information about the register, ie the relative position of the color relief cylinders 519 to each other, and about the relative position between at least one test element 766; 766';767;767' and at least one of the same check field R a *(519); R u *(519) reference element 768 to be associated; 769 the relative position between the relevant color gravure cylinder 512 and the forme cylinder 503 are checked.
  • test elements 766; 766';767;767' of a plurality of color relief cylinders 519 comprising test field R a *(519); R u *(519) can be a single reference element 768; 769 may be provided. However, multiple reference elements 768; 769 provided, e.g. B. on different sides of the array of probes 766; 766';767;767', specifically at least one on each of the four sides of the array. The at least one reference element 763; 764 can then be applied via one of the color relief cylinders 512 involved.
  • a substrate section S designed in particular for an above-mentioned check; S', the z. B. basically by a web section S corresponding to a repeat length with a print length; S' or preferably by a printed substrate sheet S; S' may be formed includes - e.g. B.
  • the substrate section S; S' preferably at least one test field R a (512) characterizing the relative axial position; R a '(512); R a "(512); R a ′′′(512); R a *(512) and at least one test field R u (512) characterizing the relative position in the circumferential direction; R u '(512); R u "(512); Ru ′′′ (512); R u *(512).
  • z. B. allows a distinction between register error and printing forme length, the substrate section S; S' on a print length two spaced test fields R u (512) characterizing the relative position in the circumferential direction; R u '(512); R u "(512); R u ′′′(512); R u *(512).
  • S' comprises the check field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) on as reference element 763; 764 printed pixel 763; 764 and as a test element 761; 762 printed and in its position relative to the reference element 763; 764 carries the information on the relative position between the forme cylinder and the first inking unit cylinder (503; 512).
  • S' comprises the check field R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512) a group of evenly spaced line-shaped picture elements 761 varying in the intensity of their coloring; 762, from whose intensity profile conclusions can be drawn about a printing of the picture elements 761; 762 in the axial and/or circumferential direction can be derived from the incorrect relative position between the first inking unit cylinder 512 and the forme cylinder 503.
  • the substrate portion S; S' specifically on the same side - printed picture elements 766; 767; 768; 769 at least one other test field R a (519); R a '(519); R a *(519); Ru (519); R u '(519); R u *(519), whose relative position enables conclusions to be drawn about a printing of the image elements 766; 767; 768; 769 in the circumferential and/or axial direction present incorrect relative position between the forme cylinder 503 having the imaging depressions 514 on its circumference and a second inking unit cylinder 519 having corresponding elevations 524 or raised areas 522 on its circumference, ie the Color relief cylinder 519 of the inking unit 508 inking the forme cylinder 503 can be derived.
  • the substrate portion S; S' at least one test field R a (519) characterizing the relative axial position of the color relief cylinder 519; R a '(519); R a *(519) and test field R u (519) characterizing at least its relative position in the circumferential direction; R u '(512); R u *(512).
  • the substrate section S; S' on a print length two spaced test fields R u (519) characterizing the relative position in the circumferential direction; R u '(519); R u *(519).
  • this includes a lateral edge area 752 of two groups of test fields R a (512) that are spaced apart from one another in the direction of the printing length; R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '(512); R u "(512); Ru ′′′ (512); R u *(512); Ra (519); R a '(519); R a *(519); Ru (519); R u '(519); R u *(519) each with a test field R a (512) relating to the axial position of the color gravure cylinder 512; R a '(512); R a "(512); R a ′′′(512); R a *(512), a test field R u (512); R u '(512); R u " (512) relating
  • a printing unit 500 in particular for carrying out an above-mentioned method, through which substrate S; S' can be printed using a gravure printing process, comprises a forme cylinder 503, which has an imaging pattern of depressions 514 on its circumference, and an inking unit 508, through which the pattern of depressions 514 provided on the forme cylinder 503 can be inked, the forme cylinder 503 being controlled by an inking device 511 can be partially inked via a first inking unit cylinder 512, which has corresponding indentations 513 in the area of its lateral surface 518 to indentations 514 on the forme cylinder 503, and via a second inking unit cylinder 519, which is to be partially inked by the first inking unit cylinder 512.
  • the forme cylinder 503 has to generate a verification of a relative position between forme and first inking cylinder 503; 512 serving pixel 761; 762; 763; 764 within the printing width, but outside of the peripheral area lying the printed image of one or more copies Ni and providing the imaging pattern of depressions 514, at least one depression 514.1; 514.2, which on the forme cylinder 503 is only partially related to an inking unit cylinder 512; 519; 531 on the forme cylinder 503 projection of an indentation 513.1 provided on the circumference of the first inking unit cylinder 512 for checking the relative position in a defined position and position; 513.3; 513.2; 513.4 overlaps.
  • a z. B. for carrying out the above method and/or for producing such a substrate section S; S' particularly suitable printing machine with a printing unit 500, through which substrate S; S 'can be printed by a gravure printing process, e.g. B.
  • a forme cylinder 503 which includes an imaging pattern of depressions 514 on its circumference, and an inking unit 508 through which the forme cylinder 503 provided pattern of indentations 514 can be inked, wherein the forme cylinder 503 can be inked in part from an inking device 511 via a color gravure cylinder 512 having corresponding indentations 513 in the area of its lateral surface 518 to indentations 514 on the forme cylinder 503 and via a color relief cylinder 519 to be partially inked by the color engraving cylinder 512 is.
  • the forme cylinder 503 thus comprises at least one first depression 514.1 within the printing width, but advantageously outside a region lying the printed image of one or more copies providing an imaging pattern of depressions 514; 514.2; 514.3; 514.4 for printing at least one of the verification of a relative position between the forme cylinder 503 and the first or second inking unit cylinder 512; 519 serving first picture element 761; 762; 766; 767, with a sensor system 753 for detecting the first image element 761; 762; 766; 767, evaluation means for evaluating the position of the first picture element 761; 762; 766; 767 on the substrate S; S' and/or relative to a second pixel 763; 764; 768; 769 is provided and control and drive means 756; 616; 736; 698; 749 for correcting an incorrect relative position of the first or second inking unit cylinder 512; 519 are provided.
  • Software implemented in the sensor system 753 or in the control means 756 connected thereto in terms of signaling technology can be provided and/or designed in such a way that, as a result of the result of the evaluation of the position of the at least one image element 761; 762; 766; 767; 763; 764; 768; 769) of the same test field (R a (512); R a '(512); R a "(512); R a ′′′(512); R a *(512); R u (512); R u '( 512); R u "(512); R u ′′′(512); R u *(512); (R a (519); R a *(519); R u (519); R u *(519) a manipulated variable can be output for the drive means (616; 736; 698; 749) affected by the correction of the position deviation.
  • the at least one first depression 514.1; 514.2; 513.2; 513.4 only partially overlaps on the forme cylinder 503 with an inking unit rollers 512; 519; 531 on the forme cylinder 503 obtained by rolling projection of at least two indentations 513.1; 513.3; 513.2; 513.4.
  • the forme cylinder 503 preferably has at least two indentations 514.1; 514.2; 514.3; 514.4, one of which is only partially and the other at least partially with a projection obtained by rolling one of at least two defined depressions 513.1; 513.3; 513.2; 513.4 overlap.
  • a depression 514.1; 514.2 and on the color gravure cylinder 512 an indentation 513.1; 513.2 be provided in such a way that, via unwinding in pairs of the inking unit cylinders 512; 519; 531 projection of the indentation 513.1 running on the color gravure cylinder 512 obtained on the forme cylinder 503; 513.2 the depression 514.1; 514.2 overlaps, in an advantageously linear design inclined, in particular perpendicularly when developed, to the indentation 514.1 running on the forme cylinder 503; 514.2 runs.
  • z. B. on the forme cylinder 503 outside of the imaging pattern are a first group of linear first depressions 514.1; 514.2 and on the circumference of the color gravure cylinder 512 a second group of linear second depressions 513.1; 513.2 such provided that the alignment of the first and second linear depressions 514.1; 514.2; 513.1; 513.2 on the form or color gravure cylinder 503; 512 on the respective cylinder is the same, that the second distance is slightly, ie by less than a line width of the first depressions 514.1; 514.2, deviates from the first distance and that the inking unit rollers 512; 519; 531 projections of the indentations 513.1; 513.2 at least partially with indentations 514.1; 514.2 overlap on the forme cylinder 503.
  • a depression 514.6; 514.7 and on the color gravure cylinder 512 an indentation 514.1; 514.2 on the forme cylinder 503 viewed in its longitudinal direction shorter elevation 524.6; 524.7; 524.8; 524.9 or a shorter raised area 522.6; 522.7; 522.8; 522.9 is provided in such a way that an inking unit cylinder 512; 519; 531 on the forme cylinder 503 projection of the elevation 524.6; 524.7; 524.8; 524.9 the corresponding depression 514.6; 514.7 on the forme cylinder 503 only partially covered.
  • the color transfer via the inking unit and/or printing unit cylinders 512; 519; 531; 503 to the printing point 502 is - overall and also in each print image section - basically predetermined for a specific production on the input side of the inking unit 508 by the pattern of depressions 513 on the color gravure cylinder 512 and their volume, whereby the methods shown below allow a variation of these for the special, print image-specific Formation of the pattern basically predetermined size takes place.
  • a numerical indication of the size of a color transfer was therefore also dispensed with.
  • the axis relating to the color transfer was generalized here and referred to as the transfer rate TR without a physical unit.
  • Such a transfer rate TR could, for example, relate to the mass transport over a multiple or a fraction of a processing length z. B. of the color gravure cylinder 512 and take into account the entire usable lateral surface 518 or only a portion.
  • the color transfer or the transfer rate TR on the path of the printing ink 517 from the inking device 511 to the printing point 502 ultimately determines the occupancy of the substrate S; S' with ink 517, e.g. B. the color density in the printed image.
  • the color engraving cylinder 512 can be temperature-controlled, in particular designed so that temperature-control fluid can flow through it. This is done, for example, on the front side via a rotary feedthrough 692 (in figure 50 and Figure 51 e.g. B. only indicated schematically).
  • the temperature of the color relief cylinder 519 can also be controlled, e.g. B. the rotary feedthrough 748 with tempering fluid can flow, and / or - if available - the color collecting cylinder 531 tempered, z. B. an interface 771, in particular rotary feedthrough 771 with temperature control fluid, and / or the temperature of the forme cylinder 503, z. B.
  • an interface 772 in particular a rotary feedthrough 772, through which temperature control fluid can flow, and/or the temperature of the wiping cylinder 507 can be controlled, e.g. B. a rotary feedthrough 748 through which temperature control fluid can flow is formed.
  • the temperature control of the color engraving and/or color relief cylinder 512; 519 is preferred for each of several, e.g. B. four or even five selective color trains 529 of a multi-color printing unit are provided.
  • the means for controlling the ink transfer in the inking unit 508 preferably include control means by means of which the temperature on the inking unit cylinder 512 can also be varied during operation.
  • control means can, for example, be made manually via an operator interface or via a control circuit with a sensor system that evaluates the printed image.
  • the color original space 516 or the color original unit 571 can also be temperature-controlled, in particular via a correspondingly provided interface 773, e.g. B. a fluid coupling 773, through which temperature control fluid can flow, is formed.
  • the duct roller and/or the ink fountain and/or the associated ink relief cylinder 519 of the conventionally designed ink train 531 can also be temperature-controlled, in particular so that temperature-control fluid can flow through it.
  • a first application of temperature control or the ability to control the temperature of the inking unit cylinder(s) and/or printing unit cylinder(s) 512; 519; 531; 503 and/or the color original space 516 or the color original unit 571 in particular at least the color gravure cylinder 512, - in particular during a stationary production run constant operating speed V--due to temperature control, an operating temperature on the circumference of the relevant inking unit and/or printing unit cylinder 512; 519; 531; 503 or in the area of the contact surface of the color original space 516 or the color original unit 571 essentially, ie for example at a maximum of ⁇ 2° C., at a specific temperature value, e.g. B.
  • a temperature setpoint T S kept constant and thus ensure consistent physical properties of the ink. Influences that arise, for example, via heat input from inking unit and/or printing unit cylinders 512; 519; 531; 503 and/or by a retaining means 526 that may be placed on the color engraving cylinder 512 are at least largely eliminated.
  • this temperature setpoint T S can be set, so that different specifications for the desired temperature setpoint T S can be selected for different printing conditions and/or printing ink compositions.
  • the (respective) temperature setpoint T S can be set or changed via control means that are integrated, for example, in the machine control 718 or are implemented there as a software program or program part. B. the machine control station 719 can take place.
  • the same or differing temperature setpoints T S can be specified or specified.
  • the definition of a temperature setpoint T S is generally understood to mean the definition of a temperature setpoint T S representing the desired setpoint temperature.
  • the temperature control or the ability to control the temperature of the inking unit cylinder(s) and/or printing unit cylinder(s) 512; 519; 531; 503 and/or the color original space 516 or the color original unit 571, in particular at least the color gravure cylinder 512 the temperature of the relevant cylinder is controlled in order to control and/or regulate the color transfer inking unit and/or printing unit cylinder 512; 519; 531; 503 or the color original space 516 or the color original unit 571 with a targeted change in the specification of the temperature setpoint T S .
  • a change in the temperature setpoint T S can, for example, occur at the relevant inking unit and/or printing unit cylinder 512; 519; 531; 503, especially e.g. B. on the color gravure cylinder 512, may be required and/or undertaken or initiated if the relevant inking unit and/or printing unit cylinder 512; 519; 531; 503, especially e.g. B. the color gravure cylinder 512, too little or too much ink 517 promotes.
  • the latter can be determined, for example, by the printer or an inspection system that may be provided, by a lack or excess of color in the printed image, for example by a value for the color density that is too low or too high.
  • the temperature setpoint T S for the relevant inking unit and/or printing unit cylinder 512 is increased; 519; 531; 503, in particular at least the color gravure cylinder 512 used here for metering ink on the input side.
  • the temperature setpoint T S for the relevant inking unit and/or printing unit cylinder 512; 519; 531; 503, in particular at least the color gravure cylinder 512 used here for metering ink on the input side is lowered if too much printing ink 517 is detected.
  • the temperature on the color gravure cylinder 512 can be varied in a targeted manner, for example at least in the range between 35° C. and 55° C., or even between 25° C.
  • T 0 45° C.
  • T S the temperature on the color gravure cylinder 512
  • T 1 a higher working temperature
  • T 2 the temperature at Color engraving cylinder 512
  • a base temperature T 0 of z. B. T 0 45 ° C aimed at, with a control or regulation range of at least ⁇ 5 ° C, in particular ⁇ 10 ° C.
  • Adjusting the color transfer via the temperature change can, for example, be relevant for adjusting the color transfer to changing external conditions, in addition to the elimination of a shortage or excess of printing ink 517 in the printed image, which is necessary during production, for example.
  • a unit 779 that regulates the fluid temperature at least of the outgoing fluid to a setpoint value is preferably used as the tempering fluid source, e.g. B. a heating-cooling unit 779 provided.
  • the unit 779 can preferably provide temperature control fluid at a selectable or adjustable temperature level.
  • the color gravure cylinder 512 of each color unit 529 can preferably be temperature-controlled or temperature-controllable to a desired temperature value T S independently of the others.
  • they are or will be temperature-controlled or temperature-controlled independently of one another by their own temperature-control means, in particular their own temperature-control fluid circuits that can be set with respect to the temperature setpoint T S .
  • Evaluating the print image and setting or changing the temperature setpoint T S can be done offline by the operating personnel, in particular the printer. is - e.g. B. offline at a test table z. B. at the machine control station 719 or even inline in the substrate path - an inspection system with z. B. a sensor system 774, z. B. a densitometer 774 or a camera 774 capable of densitometric measurement, the setting or changing of the temperature setpoint T S can be carried out directly by the printer on the basis of the measurement result or - alternatively or optionally - automatically via a comparison with values of a - e.g . B. found to be good or originating from the pre-press - take place reference image in a control loop.
  • the ink transfer is and/or is via variation of the contact present in print-on, i. H. the pressure contribution ⁇ ; ⁇ 1; ⁇ 2; ⁇ 3, at least one nip 776; 777; 778 between two inking unit and/or printing unit cylinders 512 involved in the ink transfer between inking device 511 and printing point 502; 519; 531; 503, in particular at least between the color engraving cylinder 512 and the color relief cylinder 519.
  • This variation occurs in Druck-On, i. H. while maintaining contact between the inking unit or printing unit cylinders 512 involved; 519; 531; 503.
  • Print-On designates an operating state which is used for operation when the inking unit and/or printing unit cylinders 512; 519; 531; 503 is provided or foreseeable.
  • the pressure adjustment ⁇ ; ⁇ 1; ⁇ 2; ⁇ 3 of two a nip 776; 777; 778 forming inking unit and/or printing unit cylinders 512; 519; 531; 503 is intended here by the dimension ⁇ ; ⁇ 1; ⁇ 2; ⁇ 3, around which the two inking unit and/or printing unit cylinders 512; 519; 531; 503 one opposite to one in the unloaded touch contact, i. H.
  • a variation of the pressure contribution ⁇ 1; ⁇ 3 at a nip 776; 778 of the cylinder train on which one of the participating inking unit or printing unit cylinders 512; 503 at the periphery a hard surface and/or indentations 513; 514 towards greater pressure adjustment ⁇ 1; ⁇ 3 has a decreasing color transfer, to a smaller pressure setting ⁇ 1; ⁇ 3 towards increasing color transfer. This applies at least in a medium working range of the pressure adjustment ⁇ 1; ⁇ 3 around a middle working position (see e.g. schematically in Figure 55 ).
  • At least the pressure adjustment ⁇ 1 in the nip point 776 between the color engraving cylinder and the color relief cylinder 512; 519 varies, but preferably at the same time, both the pressure adjustment ⁇ 1 in the nip point 776 between the color engraving cylinder and the color relief cylinder 512; 519 and also the pressure setting ⁇ 2 in the nip point 777 between and color relief cylinder 519 and transfer cylinder 531.
  • nip points 776; 777 both include the color relief cylinder 519 and changes in the pressure setting act in the opposite direction, only the color relief cylinder 519 is moved to adjust or change the color transfer by changing a pressure setting ⁇ , namely preferably in such a way that the pressure setting ⁇ 1; ⁇ 2 between color engraving and color relief cylinder 512; 519 is enlarged and at the same time the one between the color relief cylinder 519 and the transfer cylinder 531 is reduced or reversed.
  • the color transfer is increased by reducing the printing position ⁇ 1 in the nip point 776 between color engraving and color relief cylinder 512; 519 and/or by increasing the pressure adjustment ⁇ 2 in the nip point 777 between the color relief cylinder 519 and the transfer cylinder 531.
  • a reduction in the color transfer by increasing the pressure adjustment ⁇ 1 in the nip point 776 between the color engraving cylinder and the color relief cylinder 512; 519 and/or by reducing the pressure setting ⁇ 2 in the nip point 777 between the color relief cylinder 519 and the transfer cylinder 531.
  • Adjusting or changing the color transfer via the variation of at least one pressure adjustment ⁇ is particularly suitable; ⁇ 1; ⁇ 2; ⁇ 3 for corrections or changes in the color transfer, which are caused by short-term changes or rapidly changing courses of changes in the existing conditions affecting the color transfer. If such events or changes are foreseeable, the setting or changing of the color transfer via the variation of at least one pressure position ⁇ ; ⁇ 1; ⁇ 2; ⁇ 3 can also be used for pilot control in an advantageous application.
  • z. B a variation of at least one pressure adjustment ⁇ ; ⁇ 1; ⁇ 2; ⁇ 3 in fixed correlation to the occurrence and/or course of a change in the operating conditions affecting the color transfer.
  • the pressure adjustment ⁇ 1 in the nip point 776 between the color engraving cylinder and the color relief cylinder 512; 519 is reduced and/or the pressure adjustment ⁇ 2 in the nip point 777 between the color relief cylinder 519 and the transfer cylinder 531 is increased.
  • the pressure adjustment ⁇ 1 in the nip point 776 between the color engraving cylinder and the color relief cylinder 512; 519 is increased and/or the pressure adjustment ⁇ 2 in the nip point 777 between the color relief cylinder 519 and the transfer cylinder 531 is reduced.
  • a corresponding functional or tabular relationship is preferably stored or implemented in the control unit 782 included in or connected to the machine control unit 718, which assigns a current operating speed V a default value for a pressure adjustment ⁇ 1 between the color engraving cylinder and the color relief cylinder 512; 519 and/or the pressure adjustment ⁇ 2 between the color relief cylinder 519 and the transfer cylinder 531.
  • This the respective pressure adjustment ⁇ 1; ⁇ 2 can be a position value to be assumed by a sensor system supplying a cylinder position, a control value of an actuator that can be controlled, for example, in the travel, or any other variable that clearly characterizes the relevant pressure adjustment ⁇ 1.
  • the color engraving cylinder 512 is to be set for this purpose, this can be the above-mentioned drive means 687 which causes the color engraving cylinder 512 to be switched on/off or additional drive means serving for fine adjustment, together with control means controlling this.
  • the color relief cylinder 519 is to be set - in particular only - this can be, for example, the color relief cylinder 519 on/off, in particular electromotive drive means 783, which are connected to its setting mechanism, e.g. B. on the color relief cylinder 519 overlying eccentric bushings.
  • these can be drive means acting on a stop means, with the stop means defining the setting position, pressure on, and for varying the pressure setting ⁇ 1; ⁇ 2 are provided by the drive means.
  • both procedures for example as a result of a visual inspection or as a result of a deviation in the coloring of z. B. a reference image
  • both a quick correction via an above-mentioned variation of Druckbei ein ⁇ 1; ⁇ 2 take place as well as a change in the temperature setpoint T S are made.
  • the correction can then be made by varying the pressure setting ⁇ 1; ⁇ 2 - e.g. B. gradually - be withdrawn again.
  • the pattern of the imaging depressions 514 - and in particular for multicolored image motifs taking into account the color separations involved - becomes a specification for the arrangement and/or expression of the corresponding depressions 513 on the color engraving cylinder 512.
  • data processing means 784 are provided, through which digitally available and/or supplied or supplied data D(514) for describing a pattern of engravings 514, e.g. B. to their position, shape and / or depth z (514), are transformed into digital data D (513) to describe corresponding engravings 514 to be provided on the color engraving cylinder 512.
  • This transformed data D(513) is used to generate the depressions 513 for the color gravure cylinder 512, e.g. B. as set out above firmly on the lateral surface 631 of the cylinder body 628 or on an outermost layer 633 of a detachable ink transfer form 637, as a specification for its shape and / or depth z (513).
  • the transformation is at least a first transformation rule M, z. B. a so-called mapping curve M; M, which assigns a depth z (513) to be generated to an engraving 513 on the color engraving cylinder 512 to a value for a depth z (514) of an engraving 514 on the forme cylinder 503 .
  • a transformation rule M; M i in different ways, e.g. B. as a table or preferably as a functional context (see e.g. Figure 58 ), are present and stored or implemented in the data processing means 784.
  • mapping curves M; M i can be provided or implemented or stored, for example after the completion of the imaging pattern of depressions 514 on the forme cylinder 503, there are still options for influencing the inking by selecting one of several different mapping curves M i for the production of the depressions 513 on the color gravure cylinder 513 to get.
  • the stored or implemented mapping curves M i can also be parameterized in order, for example, to be able to select or generate an optimal curve shape from the multitude of possibilities.
  • the aforementioned data processing means 684 and, if necessary, a means for engraving 786 of color transfer forms 686, e.g. B. an engraving device 786 are z. B. located in the area of a mold production, which can be spatially assigned to the printer or a prepress area of the printing press or provided elsewhere.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)

Claims (15)

  1. Groupe d'impression par héliogravure (500) par lequel un substrat (S; S') peut être imprimé selon un procédé d'héliogravure, avec un cylindre de forme (503) qui comprend au niveau de sa circonférence un motif d'imagerie d'évidements (514), et avec un groupe d'encrage (508) par lequel le motif d'évidements (514) prévu contre le cylindre de forme (503) peut être au moins partiellement encré, dans lequel le cylindre de forme (503) peut être partiellement encré depuis un équipement d'encrage (511) via un premier cylindre de groupe d'encrage (512) présentant dans la zone de sa surface extérieure (518) des évidements (513) correspondant à des évidements (514) sur le cylindre de forme (503) et via un second cylindre de groupe d'encrage (519) à partiellement encrer par le premier cylindre de groupe d'encrage (512), caractérisé en ce que, pour la fabrication d'un élément d'image (761; 762; 763; 764) servant à la vérification d'une situation relative entre le cylindre de forme et le premier cylindre de groupe d'encrage (503; 512) à l'intérieur de la largeur d'impression, le cylindre de forme (503) présente à l'intérieur de la largeur d'impression au moins un premier évidement (514.1; 514.2), lequel se recoupe sur le cylindre de forme (503) uniquement partiellement avec une projection, obtenue sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, d'un évidement (513.1; 513.3; 513.2; 513.4) prévu au niveau de la circonférence du premier cylindre de groupe d'encrage (512) pour la vérification de la situation relative dans une position et situation définies, en ce que le cylindre de forme (503) présente en outre à l'intérieur de la largeur d'impression au moins un second évidement (514.1; 514.2; 514.3; 514.4) pour l'impression d'au moins un deuxième élément d'image (763; 764; 767; 768), attribué au premier élément d'image (763; 764; 767; 768) en tant qu'élément de référence (763; 764; 767; 768), d'un même banc d'essai (Ra(512); Ra'(512); Ra"(512); Ra‴(512); Ra*(512); Ru(512); Ru'(512); Ru"(512); Ru‴(512); Ru*(512); Ra(519); Ra'(519); Ra*(519); Ru(519); Ru'(519); Ru*(519)) et en ce que le second évidement (514.1; 514.2; 514.3; 514.4) se recoupe au moins partiellement avec une projection, obtenue par un déroulement, d'un second évidement (513.1; 513.3; 513.2; 513.4) prévu au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512).
  2. Groupe d'impression par héliogravure selon la revendication 1, caractérisé en ce que le premier évidement (514.1; 514.2) se déroulant de façon linéaire au niveau de la circonférence contre le cylindre de forme (503) à l'extérieur du motif d'imagerie et l'évidement (513.1; 513.2) se déroulant au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512) sont prévus de sorte qu'une projection, obtenue sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, de l'évidement (513.1; 513.2) se déroulant sur le premier cylindre de groupe d'encrage (512) coupe l'évidement (514.1; 514.2) se déroulant contre le cylindre de forme (503).
  3. Groupe d'impression par héliogravure selon la revendication 1 ou 2, caractérisé en ce que le premier évidement (513.1; 513.2) prévu sur le premier cylindre de groupe d'encrage (512) se déroule de façon linéaire et se déroulant de façon inclinée en déroulement par rapport à l'évidement (514.1; 514.2) contre le cylindre de forme (503) et/ou les premiers évidements (513.1; 513.2; 514.1; 514.2) sur le cylindre de forme et le premier cylindre de groupe d'encrage (503; 512) sont mesurés de sorte que la zone de chevauchement de la projection vue en direction de l'évidement (514.1; 514.2) linéaire contre le cylindre de forme (503) est plus petite que la longueur de cet évidement (514.1; 514.2) contre le cylindre de forme (503).
  4. Groupe d'impression par héliogravure selon la revendication 1, caractérisé en ce qu'un groupe de premiers évidements (514.1; 514.2) linéaires contre le cylindre de forme (503), les uns à côté des autres dans la direction axiale ou circonférentielle et régulièrement espacés les uns des autres sur une première distance, est prévu contre le cylindre de forme (503) à l'extérieur du motif d'imagerie, et un groupe de premiers évidements (513.1; 513.2) linéaires régulièrement espacés les uns des autres sur une seconde distance est prévu au niveau de la circonférence du premier cylindre de groupe d'encrage (512) de sorte que l'orientation des évidements (514.1; 514.2; 513.1; 513.2) linéaires du groupe contre le cylindre de forme (503) et du groupe contre le premier cylindre de groupe d'encrage (512) soit la même, en ce que la seconde distance s'écarte légèrement, c'est-à-dire de moins d'une épaisseur de trait des évidements (514.1; 514.2) contre le cylindre de forme (503), de la première distance et en ce que des projections, obtenues sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, des évidements (513.1; 513.2) se déroulant sur le premier cylindre de groupe d'encrage (512) se recoupent contre le cylindre de forme (503) au moins partiellement avec des évidements (514.1; 514.2) se situant à l'extérieur du motif d'imagerie.
  5. Groupe d'impression par héliogravure selon la revendication 1, 2, 3 ou 4, caractérisé en ce qu'un premier évidement (514.1; 514.2), servant à la fabrication du premier élément d'image (761; 762) pour la vérification de la situation relative entre le cylindre de forme (503) et le premier cylindre de groupe d'encrage (512), contre le cylindre de forme (503) se recoupe vu dans la direction axiale ou circonférentielle uniquement partiellement sur le cylindre de forme (503) avec une projection, obtenue sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, d'un évidement (513.1; 513.2) prévu au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512) et le second évidement (514.3; 514.4) servant de référence contre le cylindre de forme (503) vu dans la même direction est complètement recouvert par une projection, obtenue par déroulement, d'un autre évidement (513.3; 513.4) correspondant prévu au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512).
  6. Groupe d'impression par héliogravure selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que le groupe d'impression par héliogravure (500) comprend plusieurs trains d'encrage (529) avec respectivement un équipement d'encrage(511), un premier cylindre de groupe d'encrage (512) présentant des évidements (513) et un second cylindre de groupe d'encrage (519), via lesquels le cylindre de forme (503) peut être encré directement ou indirectement, et en ce que le cylindre de forme (503) présente un nombre, correspondant au moins au nombre des trains d'encrage (529), de premiers évidements (514.1; 514.2) se situant à l'intérieur de la largeur d'impression mais à l'extérieur du motif d'imagerie d'évidements (514) livrant l'image imprimée d'une ou plusieurs copies (Ni) et se situant dans une zone circonférentielle espacés les uns des autres, lesquels se recoupent sur le cylindre de forme (503) uniquement partiellement avec une projection, obtenue sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre du train d'encrage (529) concerné, d'un évidement (513.1; 513.3; 513.2; 513.4) correspondant prévu au niveau de la circonférence du premier cylindre de groupe d'encrage (512) concerné pour la vérification de la situation relative dans une position et situation définies.
  7. Groupe d'impression par héliogravure selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce qu'un premier cylindre (514.6; 514.7) sur le cylindre forme (503), servant à la fabrication d'un élément d'image (766; 767) pour la vérification de la situation relative entre le cylindre de forme (503) et le second cylindre de groupe d'encrage (519), contre le cylindre de forme (503) se recoupe avec une projection, obtenue par déroulement, d'une élévation (524.6; 524.7) prévue au niveau de la circonférence sur le second groupe d'encrage (519) et un second évidement (514.8; 514.9), servant de référence, contre le cylindre de forme (503) vu dans la même direction recoupe par une projection, obtenue par déroulement, d'une élévation (524.8; 524.9) ou d'une zone en relief (522.6; 522.7) prévue au niveau de la circonférence sur le second groupe d'encrage (519).
  8. Groupe d'impression par héliogravure selon la revendication 1, 2, 3, 4, 5, 6 ou 7, caractérisé en ce que le premier cylindre de groupe d'encrage (512) est monté de façon axialement déplaçable dans un châssis (538) du groupe d'impression par héliogravure (500) et peut être axialement déplacé par un entraînement axial (734) avec un moyen d'entraînement (736) et/ou en ce que le premier cylindre de groupe d'encrage (512) comprenant les évidements (513) peut être et/ou est entraîné en fonctionnement de production seul ou ensemble avec le second cylindre de groupe d'encrage (519) par un entraînement (616, 711) réglable par rapport à une situation d'angle de rotation et mécaniquement indépendant des moyens d'entraînement faisant tourner le cylindre de forme (503) en fonctionnement de production.
  9. Groupe d'impression par héliogravure selon la revendication 1, 2, 3, 4, 5, 6, 7 ou 8, caractérisé en ce que l'équipement d'encrage (511) comprend, au moins sur le côté, en aval du cylindre de groupe d'encrage (512) comprenant les évidements (513) dans la direction de rotation de fonctionnement (D), d'un emplacement d'application apposant une encre d'impression (517) sur le premier cylindre de groupe d'encrage (512), un moyen de retenue (526) en contact d'affleurement avec la surface extérieure (518) du premier cylindre de groupe d'encrage (512) dans une position de fonctionnement, par lequel moyen de retenue vu dans la direction de rotation de fonctionnement (D) après l'application d'encre et avant le premier emplacement d'emprise une encre d'impression (517) appliquée au préalable sur la surface extérieure (518) du premier cylindre de groupe d'encrage (512) peut être éloignée avec le second cylindre de groupe d'encrage (519).
  10. Groupe d'impression par héliogravure selon la revendication 1, 2, 3, 4, 5, 6, 7, 8 ou 9, caractérisé en ce que l'évidement (514.1; 514.2; 514.3; 514.4) respectif prévu contre le cylindre de forme (503) pour la fabrication d'un élément d'image (761; 762; 763; 764) servant à la vérification d'une situation relative entre le cylindre de forme et le premier cylindre de groupe d'encrage (503; 512) se situe une zone circonférentielle à l'intérieur de la largeur d'impression mais à l'extérieur du motif d'imagerie d'évidements (514) livrant l'image imprimée d'une ou plusieurs copies (Ni).
  11. Procédé de vérification et/ou de réglage et/ou de correction d'une situation relative entre un premier cylindre de groupe d'encrage (512) et un cylindre de forme (503) dans un groupe d'impression par héliogravure (500) par lequel un substrat (S; S') peut être imprimé selon un procédé d'héliogravure, avec un cylindre de forme (503) qui comprend au niveau de sa circonférence un motif d'imagerie d'évidements (514), et avec un groupe d'encrage (508) par lequel le motif d'évidements (514) prévu contre le cylindre de forme (503) est au moins partiellement encré, dans lequel un encrage partiel du cylindre de forme (503) s'effectue depuis un équipement d'encrage (511) via un premier cylindre de groupe d'encrage (512) présentant dans la zone de sa surface extérieure (518) des évidements (513) correspondant à des évidements (514) sur le cylindre de forme (503) et via un second cylindre de groupe d'encrage (519) à partiellement encrer par le premier cylindre de groupe d'encrage (512), caractérisé en ce que, pour la vérification et/ou le réglage et/ou la correction d'une situation relative entre le premier cylindre de groupe d'encrage (512) et le cylindre de forme (503) au moins un premier élément d'image (761; 762) est imprimé sur le substrat (S; S') dans la direction circonférentielle ou axiale par le groupe d'impression par héliogravure (500), et la vérification et/ou le réglage et/ou la correction de la situation relative est entrepris(e) en utilisant le résultat d'impression et/ou la situation du au moins un premier élément d'image (761; 762) imprimé sur le substrat (S; S') par le groupe d'impression par héliogravure (500), en ce que le premier élément d'image (761; 762) est formé et/ou imprimé par une encre d'impression (517) depuis un premier évidement (514.1; 514.2) prévu contre le cylindre de forme (503) pour la vérification de la situation relative dans une position et situation définies, lequel premier évidement se recoupe sur le cylindre de forme (503) dans une direction axiale ou circonférentielle à vérifier uniquement partiellement avec une projection, obtenue par déroulement, d'un évidement (513.1; 513.3; 513.2; 513.4) prévu sur la circonférence du premier cylindre de groupe d'encrage (512) pour la vérification de la situation relative dans une position et situation définies, et de cette façon vu dans la direction à vérifier est ou a été encré uniquement partiellement avec une encre d'impression (517), et en ce qu'un second élément d'image (763; 764) est formé et/ou imprimé par une encre d'impression (517) depuis un autre second évidement (514.3; 514.4) prévu contre le cylindre de forme (503) pour la vérification de la situation relative dans une position et situation définies, lequel second évidement est recouvert sur le cylindre de forme (503) vu au moins dans une direction à vérifier par une projection, obtenue par déroulement, d'un second évidement (513.1; 513.3; 513.2; 513.4) prévu sur la circonférence du premier cylindre de groupe d'encrage (512) pour la vérification de la situation relative dans une position et situation définies, et de cette façon vu au moins dans la direction à vérifier est ou a été encré entièrement avec une encre d'impression (517), et en ce que la vérification et/ou le réglage et/ou la correction est entrepris(e) en utilisant le premier élément d'image (761; 762) ainsi que le second élément d'image (763; 764) appartenant à un même banc d'essai (Ra(512); Ra'(512); Ra"(512); Ra‴(512); Ra*(512); Ru(512); Ru'(512) ; Ru"(512); Ru‴(512); Ru*(512) et servant en tant qu'élément de référence (763; 764).
  12. Procédé selon la revendication 11, caractérisé en ce que la vérification et/ou le réglage et/ou la correction de la situation relative entre le premier cylindre de groupe d'encrage (512) et le cylindre de forme (503) s'effectue dans la direction circonférentielle et/ou axiale à l'aide du au moins un premier élément d'image (761; 762) imprimé en tant qu'élément d'essai (761; 762) sur le substrat (S; S') via le groupe d'encrage (508) et le cylindre de forme (503) via le premier évidement (514.1; 514.2) contre le cylindre de forme (503) et dont la situation relative par rapport au second élément d'image (763; 764) appartenant au même banc d'essai (Ra(512); Ra'(512); Ra"(512); Ra*(512); Ru(512); Ru'(512); Ru"(512); Ru*(512)) et également imprimé en tant qu'élément d'essai (763; 764) sur le substrat (S; S') via le groupe d'encrage (508) et le cylindre de forme (503) via le second évidement (514.3; 514.4) contre le cylindre de forme (503).
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que le premier et le second élément d'image (761; 762; 763; 764) du même banc d'essai (Ra(512); Ra'(512); Ra"(512); Ra*(512); Ru(512); Ru'(512); Ru"(512); Ru*(512)) est imprimé sur le substrat (S; S') pendant le fonctionnement de production ensemble avec le motif d'image de la ou des copie (s) (Ni) à imprimer et/ou en ce que la position du recoupement uniquement partiel de l'évidement (514.1; 514.2), attribué au premier élément d'image (761; 762), contre le cylindre de forme (503) avec la projection de l'évidement (513.1; 513.2) correspondant contre le premier cylindre de groupe d'encrage (512) déterminent la position de l'élément d'essai (761; 762) sur le substrat (S; S').
  14. Procédé selon la revendication 11, 12 ou 13, caractérisé en ce qu'un premier élément d'image (761; 762) est formé et/ou imprimé en tant qu'élément d'essai (761; 762) sur le substrat (S; S') par une encre d'impression (517), laquelle, dans la zone de chevauchement d'un évidement (514.1; 514.2) se déroulant au niveau de la circonférence de façon linéaire contre le cylindre de forme (503) et d'une projection, obtenue sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, d'un évidement (513.1; 513.2) se déroulant au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512), est reçue dans l'évidement (514.1; 514.2) du cylindre de forme (503) et transmise au substrat (S; S') lors de l'impression, dans lequel la projection de l'évidement (513.1; 513.2) prévu sur le premier cylindre de groupe d'encrage (512) se déroule contre le cylindre de forme (503) de façon linéaire et de façon inclinée en déroulement par rapport à l'évidement (514.1; 514.2) et/ou les évidements (513.1; 513.2; 514.1; 514.2) sur le cylindre de forme et le premier cylindre de groupe d'encrage (503; 512) sont mesurés de sorte que la longueur de la zone de découpe ou de chevauchement des projections en direction de l'évidement (514.1; 514.2) linéaire vue contre le cylindre de forme (503) est plus petite que la longueur de cet évidement (514.1; 514.2) contre le cylindre de forme (503).
  15. Procédé selon la revendication 11, caractérisé en ce que la vérification et éventuellement le réglage et/ou la correction est entrepris(e) à l'aide d'un résultat d'impression de premiers éléments d'image (761; 762) d'un groupe d'évidements (514.1; 514.2) linéaires contre le cylindre de forme (503), les uns à côté des autres dans la direction axiale ou circonférentielle et régulièrement espacés les uns des autres sur une première distance, lesquels évidements se recoupent au moins partiellement avec un groupe de projections, obtenues sur le cylindre de forme (503) via respectivement un déroulement par paires des cylindres de groupe d'encrage (512; 519; 531) participant au transport d'encre, d'un groupe d'évidements (513.1; 513.2) linéaires prévus au niveau de la circonférence sur le premier cylindre de groupe d'encrage (512), lesquels évidements sont espacés régulièrement les uns des autres dans une même orientation mais sur une seconde distance s'écartant légèrement, c'est-à-dire de moins d'une épaisseur de trait des évidements (514.1; 514.2) contre le cylindre de forme (503), de la première distance.
EP20703437.2A 2019-05-07 2020-02-03 Dispositif d'impression en creux et procédé de contrôle d'une position relative d'un dispositif d'impression en creux Active EP3966039B1 (fr)

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DE102019111803.4A DE102019111803A1 (de) 2019-05-07 2019-05-07 Verfahren zum Betreiben eines Druckwerks sowie Druckmaschine mit einem Druckwerk
DE102019111802.6A DE102019111802A1 (de) 2019-05-07 2019-05-07 Verfahren zum Betreiben eines Druckwerks, Substratabschnitt sowie Druckwerk
DE102019118435.5A DE102019118435A1 (de) 2019-07-08 2019-07-08 Druckwerk, Druckmaschine mit einem Druckwerk und Verfahren zum Bedrucken von Substrat
PCT/EP2020/052581 WO2020224815A1 (fr) 2019-05-07 2020-02-03 Système d'impression en creux, section de substrat, procédé pour la commande d'une position relative et procédé de fonctionnement d'un système d'impression en creux

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CN110587502A (zh) * 2019-08-21 2019-12-20 江苏九鼎新材料股份有限公司 一种砂轮网片自动化成型、捡拾与检验一体化系统及其方法
DE102020102622A1 (de) * 2020-02-03 2021-08-05 Koenig & Bauer Ag Tiefdruckwerk
CN116368011B (zh) * 2021-02-18 2024-02-06 柯尼格及包尔公开股份有限公司 送墨系统及其运行方法以及凹印印刷装置和将凹印印刷油墨送入凹印印刷装置的方法

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DE19822662C2 (de) 1998-05-20 2003-12-24 Roland Man Druckmasch Verfahren zur Farbreproduktion auf einer Bilddaten orientierten Druckmaschine
EP1442878A1 (fr) 2003-02-03 2004-08-04 Kba-Giori S.A. Entraínement du dispositif d'encrage dans une machine d'impression en creux
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EP2338682A1 (fr) 2009-12-22 2011-06-29 KBA-NotaSys SA Presse d'impression intaglio dotée d'un chariot mobile supportant un cylindre Orlof
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DE102013205860B4 (de) * 2013-04-03 2016-01-14 Koenig & Bauer Ag Temperieraggregat zur Temperierung von Funktionsteilen einer Druckmaschine sowie Druckanlage mit einer Druckmaschine und einem Temperieraggregat

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JP2022522235A (ja) 2022-04-14
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US11396195B2 (en) 2022-07-26
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