EP1388516A2 - Schnittregister-Einstellvorrichtung - Google Patents
Schnittregister-Einstellvorrichtung Download PDFInfo
- Publication number
- EP1388516A2 EP1388516A2 EP20030405564 EP03405564A EP1388516A2 EP 1388516 A2 EP1388516 A2 EP 1388516A2 EP 20030405564 EP20030405564 EP 20030405564 EP 03405564 A EP03405564 A EP 03405564A EP 1388516 A2 EP1388516 A2 EP 1388516A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- strand
- bundle
- web strand
- strands
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/046—Sensing longitudinal register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
- B65H23/1886—Synchronising two or more webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0524—Plural cutting steps
Definitions
- the invention relates to cutting register adjusting devices in printing machines, in which an endlessly conveyed web is printed or preferably a plurality of such Webs are printed. Furthermore, the invention relates to a method for adjustment the cut register of printed web strands consisting of one or more webs were obtained by slitting.
- the printing machine is preferably one Web-fed printing press, in which the web or the several webs each from a roll be processed continuously. Particularly preferably, the invention comes in the Web-fed rotary printing of large newspaper editions.
- the web strands, each one Bundles form, are merged so that the printed images of the web strands of a Bundle between two consecutive sections in the conveying direction as possible are exactly centered.
- the web strands of a bundle are used for preserving their so-called cut register, i. for centering between cuts, by means of affected by appropriate operations.
- Related to the single web strand is in these operations targeted to the cutting register of the relevant web strand carried out changes in the path length, which is the railway line between the place of Printing and the location of the cross cutting travels. Through a targeted Path length change is thus the cut register position of the relevant strand, or in short, its cut register, set.
- Section register rollers are each looped around by a web strand, usually in order 180 °.
- a cutting register roller transversely to its longitudinal axis the path of the railway track that wraps around it is lengthened or shortened and onto it Set the cut register of the relevant web track.
- two or three web strands are made from the web by slitting obtained, which are merged and longitudinally folded.
- the web strands are each one or more suitable Subjected to turning operations.
- Such a web strand is referred to below as a direct strand.
- a railway track, the one or several turning operations receives for distinction in Following the term turning strand.
- the Setting is when starting the machine or even when changing the Print production required while the machine is running.
- the Pad sizes printed with the same machine setting decrease, while to the same extent the number of starting operations and in particular the flying ones Change in print production with the machine running, i. the rising Requirements for the flexibility of the machine. Due to the increasing cost pressure At the same time, however, it will become increasingly important to reduce paper waste.
- the invention has recognized that the reduction of the set time required for the setting the cutting register position of web strands is required, a significant contribution to Can reduce paper waste. This applies to the flying change of one Print production on a new print production with continuing printing press and applies in particular to those cases in which a new one for the new print production Web start is fed into the printing press.
- the invention has the object of setting the cut register in a new Print production, namely the setting up to the time from which all Section register positions of the web strands of a web strand bundle of the new Printed product are set.
- the subject of the invention is the Setting the cut register in a running print production to completion a default setting in the ongoing print production to prevent that from happening tolerable deviations in the cut register position of one or more of the Web strands of the bundle occur.
- a web with printed images printed continuously The printed or yet to be printed web is in a first web strand and at least one second web strand cut longitudinally. if the Path transverse to its conveying direction with two or three juxtaposed Printed images is printed, as usual in the web-fed rotary printing of newspaper editions is, the web is between the already printed or yet to be printed Printed images cut longitudinally into two or three web strands.
- the invention is not limited to this preferred application, so it concerns For example, a longitudinal section in more than three web strands.
- the web strands obtained from the web alone or together with a web strand or several web strands of another web or several further tracks form the single or one of the several web strand bundles. It may also be a part of the web strands obtained from the web a web strand bundle alone or together with one or more web strands of one or more form the same paths for the remaining part of the other web strands obtained from the web apply.
- the formation of the Web strand bundle or the plurality of web strand bundles are those from the web obtained web strands with each other and / or with other web strands to the Bundled bundle or the plurality of bundles bundles.
- At least one web strand bundle is cross-cut, i. it will transverse to the conveying direction of the web strand bundle between two successive Cut printed images.
- Cross cutting can be used for several web bundles be carried out together, as for example in the printing of newspaper editions is common.
- the invention also relates to the case that only a single Brustrangbündel formed and cross-cut.
- the path lengths of Railway strands are depending on the location of the formation of the relevant railway line, in Generally the place of longitudinal cutting, up to the place of merging the Web strands of the bundle measured.
- For the purpose of adjusting the path lengths is for each of the web strands of the bundle each have at least one deflection device in the strand path arranged between the place of formation and merging.
- the Deflection devices each form a deflection axis around which the associated web strand is diverted.
- the deflection axes are adjustable by Verstellwegenburgn.
- the Baffles can in particular cut register rollers or in principle also other types of suitable adjustment devices.
- the path lengths of the web strands are adjusted or changed, i.e. The required per web track adjustment length of the associated Deflection device or deflection axis chosen so that a largest of the Strand path length changes is reduced. It will not be one of the web strands of the bundle is determined as Leitstrang, on the cut register position the Cut register positions of the other web strands are set, but it is for each track of the bundle has such an adjustment path length for the associated one Deflector selected that a largest of Verstellwegin is smaller than it would be if one of the web strands of the bundle acts as a solid conduit for the others Web strands of the bundle would be determined. According to the invention thus no Leitstrang fixed predetermined, but it will be the Verstellwegnern and from the Verstellwegenburglyn resulting length changes of the strand paths in the direction of a Minimizing the maximum adjustment length dimensioned.
- the adjustment path lengths are selected such that a largest of the Verstellwegenburgn is minimized. Determines by a suitable algorithm Control and / or regulating device for each of the web strands of the bundle individually an adjustment length with the requirement that a from the determination resulting largest Verstellwegun is minimized.
- the Verstellwegenburgn it is also when the Verstellwegenburgn not on minimizing the largest displacement length, but "only" toward such a minimization can be chosen. For example, only two web strands form the bundle, so are in the optimal design variant, in which the largest of the Verstellweglen is minimized, the Verstellweglen for both web strands the Amounts according to the same size and the opposite sign chosen.
- the path length of one of the web strands For example, the first web strand, changed to a lesser extent than in the optimal execution variant, however, so that for the receipt of the correct Cut register position of both web strands required path length change of the other the web strands, in the assumed example of the turning strand, shorter than it is would be if the path length change for the first web strand would not be made.
- the path length of one or more of these strands is neither extended nor shortened, or become.
- each of the web strands of the bundle may depend on be of the pre-adjustment existing initial state of a track, the Path length for the setting of the web strands to be made from the initial state of the bundle is not changed.
- the printing machine comprises for each web strand of the bundle a deflection device which forms at least one transversely adjustable deflection axis for the relevant web strand.
- the at least one adjustable deflecting axis per track is adjustable transversely to itself by a maximum Verstellweglos.
- the maximum displacement length is so great for each of the transversely adjustable deflection axes that the displacement paths between the transversely adjustable deflection axes can be divided.
- the maximum Verstellwegin each of the transversely adjustable deflection axes is so large that in the case of merging all formed from a single web web strands, the adjustment paths between these deflection axes can be divided.
- the maximum Verstellweginn the transversely adjustable deflection axes are the same size, so that the Verstellweginn between the web strands can be divided evenly.
- an object of the invention is already achieved when the maximum Verstellweginn while different in size, but still a division of the adjustment paths between the deflection axes can be made in a relevant for the shortening of the setting time extent.
- a mobility of the transversely adjustable steering axles is at least then still considered if the maximum Verstellwegenburgholdd by not more than 50%, ie if a smallest of the maximum Verstellwegenburgn is at least half as large as a maximum length of the maximum Verstellwegluin.
- the invention results in also adjusting the cut register position of the direct strand to reduce or, preferably, minimize the greatest displacement length for one or more of the web strands of the bundle of the subject direct strand is, is performed.
- the Setting time determined for the adjustment of the cutting register positions of the web strands of the bundle is required by the invention, the setting time compared to conventional setting method with a predetermined Leitstrang reduced.
- the adjustment time required for setting the cut register positions The waste can also be reduced, provided that within The setting time also other settings of the machines are executed in parallel can, for example, the setting of the circumferential register of color-transmitted Pressure cylinders.
- the execution of the way minimization described above as optimal is in severity only actually optimal if the actuating speeds of the cutting register adjustment members are the same. However, this does not have to be the case.
- the Actual speeds of the cutting register adjusting members are varied to Dependence on certain operating parameters with adapted speed to be able to adjust, for example, depending on the web speed, a Material property of the web material such as modulus of elasticity and / or web thickness and / or in the case of wet pressure depending on the strand moisture.
- the strand path lengths are not the same Adjusting speed of the cutting register adjustment members are changed. That's how it works a preferred embodiment, when the strand path of that web strand bundle, whose path length is changed by the largest amount, even with the largest Adjusting speed is changed. If the largest in terms of amount Path length change in a strand of the bundle a shortening and at a other strand of the bundle is an extension, so is preferably the Shortening made with the highest positioning speed. It's in such a Execution of the method therefore particularly advantageous if as the after Reducing or even minimizing the biggest path length change is a shortening since In this case, the response time can be minimized. If in the above therefore the Path length changes only in amount, but not under consideration of the sign of the respective path length change, this applies in Strictly only on the condition that the path length changes with the same Actuating speeds of the corresponding Thomasregister-setting members performed become.
- the Cutting register adjustment device accordingly comprises a control device, which may be further developed into a control device that incorporates such a variation of the Servo speed allows and preferably the optimum positioning speed depending individually for the strands due to the stored and selected or calculated production configuration and the setting members accordingly controls or regulates.
- the reversing strand diverter of the bundle i. for a railway track, the is turned before the formation of the bundle is preferably before Turner bar range arranged for this turning strand. If one of the several Web cords, which are obtained from a web, promoted unfocused in the bundle is, the deflection for such a direct strand is preferably in spatial Located close to the deflection of the turning strand.
- the diverters for the web strands of the web are in a preferred embodiment arranged the invention so that a not yet cut longitudinal path around the Deflectors can be retracted at the same time, causing the machine Web feed is greatly facilitated.
- the only of one single of the web strands of the web are looped.
- they are even in the sense juxtaposed that on the way the train between them no other diverters for the web are arranged.
- at the web feeder only then cut longitudinally when the train through the thus formed Cut register adjustment has been retracted.
- the arrangement of the deflection for the single or multiple turning strand the web in front of the turning bar facility has over simplifying a machine Brueinzugs addition, the further advantage that the associated deflection the Width of a simple strand and not more, as before, at least must have double strand width.
- two deflection devices transverse to the web strands in spatial proximity are arranged side by side, they are preferably only one at a time Supported side of the frame, while each with a free end towards the each other frame side to protrude.
- the two Bending devices are preferably placed in a position in which they aligned with each other and a preferably cylindrical, smooth, uniform surface form for the train to be recovered. If three web cords are formed from one web, so the deflection device for the third strand is preferably also before the Arranged turning bars, in particular, the third deflection next to the be arranged in the other two.
- Figure 1 shows the path of a web B through a web-fed rotary printing press for the Newsprint.
- the web B is from a role in a reel changer. 1 rotatably mounted, unwound and in a conveying direction F through a Printing unit 2 promoted. It is printed on both sides in the printing unit 2.
- the printing unit 2 comprises two blanket cylinders 2a, between which a pressure nip for the continuous web B is formed.
- the blanket cylinders 2a is ever one Associated with printing form cylinder 2b.
- the printing form cylinder 2b transmit their Printing ink imagewise occupied printed images on the blanket cylinder 2a, of which they finally printed on the web B.
- the blanket cylinders 2a are preferably mechanically not coupled with each other, but each of its own Drive motor electronically synchronized driven and in turn drive over each one mechanical transmission on the associated printing form cylinder 2b from.
- the Printing form cylinder 2b bear on its circumference in the cylinder longitudinal direction side by side at least two printing plates, their printed images on the web B accordingly be displayed side by side. In the circumferential direction, a single or it can, as usual, two printing plates or basically even more printing plates be provided one behind the other on the printing forme cylinders 2b.
- the printing forms have Seen in the cylinder longitudinal direction, the width of an open newspaper.
- Newspaper copies is the web B after printing by means of a Longitudinal cutting device between the printed images cut longitudinally.
- the Longitudinal cutting device is formed by a cutting roller 3a and a counter-roller 3b, which are each arranged to one side of the web B opposite each other.
- the Web strands B 1 and B2 are then together via a draw roller 4 to a Cut register adjustment device 10 promoted. When leaving the Cut register adjustment device 10 separates the paths of the web strands B1 and B2.
- the first web strand B1 becomes only from the cut register adjusting device 10 via Bruleitsch without turning or Kehroperationen to a longitudinal folding device 9, which is preferably designed as a folder, guided.
- the second track B2 runs from the cutting register adjustment device 10 and into a turning bar device 8 one.
- the second web strand B2 turned and / or swept and then over an inlet roller of the Longitudinal folding device 9 with the first web strand B1 to a web strand bundle merged, which in the embodiment only from the two web strands B1 and B2 exists.
- the one in the bundle superimposed web strands B1 and B2 are in passing through the Lssensfalz worn 9 longitudinally folded together and in a cross-cutting device 25th promoted.
- the cross-cutting device 25 may in particular a cutting cylinder of a Folder as commonly used in newspaper web-fed rotary printing become.
- the longitudinally folded and cross-cut single copies of printed products are denoted by P. If it, as in the embodiment, to newspaper copies After being cross-cut, they are laterally folded to finally reach the To get newspaper copies.
- the cutting register adjustment device 10 By means of the cutting register adjustment device 10 is ensured that the printed images the web strands B1 and B2 always between two successive sections of Cross cutting device 25 come to rest and between the cuts practice are appropriately centered, i. sufficient in relation to the common cut register are accurately positioned.
- the cutting register adjustment device 10 comprises two deflection devices, namely a first deflecting device 11 and a second deflecting device 12, furthermore a Deflection roller 5 at the inlet to the deflection 11 and 12 and another Deflection roller 6 at the outlet from the deflection 11 and 12th
- the two web strands B1 and B2 wrap around the inlet guide roller 5 and also the Outfeed roller 6 each in common, i. parallel next to each other. At the outlet deflection roller 6 separate the Bahnstrangwege.
- the first track B1 is without Turning or Kehroperationen by the area of the turning bar device. 8 passed.
- the first web strand B1 can therefore also be referred to as a direct strand become.
- the second web strand B2 runs from the outlet deflection roller 6 via a Inlet roller 7 in a turning bar plane of the turning bar device 8 a, and is by appropriate web guide turned there and / or swept and ansch manend with the first web strand B1 merged.
- the second web strand B2 can therefore also be referred to as a reversing or sweeping strand.
- the first web strand is formed B1 via the first deflection 11 and the second track B2 via the second Guided deflection 12 and the order of the respective deflection 11 or 12 deflection deflected formed.
- the inlet guide roller 5 and the outlet guide roller 6 are arranged to the deflectors 11 and 12 so that the first Web strand B1 the first deflection 11 and the second web B2 the second Umschlek responded 12 each loop by 180 °, so that the web strands B1 and B2 each run parallel to their deflection 11 or 12 and run away from it.
- the two Guide rollers 5 and 6 are stationary, but rotatably mounted roller body.
- the Deflection devices 11 and 12 are also each from a rotatably mounted Roll body formed. Both deflectors 11 and 12 are transverse to their Rotary axes, which also form the aforementioned deflection axes, linear along a common axis of movement in a common plane of motion back and forth movably mounted.
- the direction of mobility (movement axis) points parallel the incoming from the inlet guide roller 5 to the deflection 11 and 12 and from the deflecting devices 11 and 12 to the outlet guide roller 6 expiring Railway strands B1 and B2.
- the direction of the reciprocity is with the Diverter 11 and 12 each indicated by a double arrow.
- the arrangement of the cut register adjustment device 10 in the path of the second Web strand B2, i. of the turning strand, in front of the turning bar device 8 has the Advantage that its the cutting register position influencing deflection 12 in the width of the second web strand B2 can be performed and not, as in conventional arrangement behind the turning bar device 8, the double Brustrangbreite must have.
- the setting of the edit tab for the second Web strand B2 before performing the turning and / or Kehroperation allowed further the automatic entry of the web start of a new web to behind the cut register adjustment device 10 for the second track B2.
- FIG 2 is a guideway 17 of a machine and automatic in this sense Traction system drawn.
- the guideway 17 is of guide rails formed, which are arranged on one side next to the Bahnleitffenn and the leadership serve a driven pulling-in means.
- the guide track 17 leads to the Deflection devices 11 and 12 of the cutting register adjustment device 10.
- the Guideway 17 is also around the inlet guide roller 5 and the outlet guide roller 6 and further along the path of the first track B1 led.
- FIG. 3 shows the web B in this state immediately after machine retraction over the complete path of the later first track B1.
- the rollers 3a and 3b of the longitudinal cutting device are moved against each other and the web B cut longitudinally between the later printed images.
- a web start was formed, for example, by manual tearing after slitting, the web start of the second web strand B2 is manually from the outlet guide roller 6 via the inlet roller 7 for the turning bar device 8, through the turning bar device. 8 through and over the downstream Bruleitstoff retracted.
- Manual retraction via a deflection of a Cut register adjustment device is saved, which brings time advantages and to Reduction of Einziehêtn contributes.
- Figure 4 shows the web B after slitting and before the formation of a Brutearings for the second track B2.
- a control and regulating device is shown, the Control and regulation of the adjustment movements of the two deflection 11 and 12 serves.
- the control and regulation device comprises two sensors 23 and 24, a Control and regulating member 20 and two motor actuators 21 and 22.
- the sensor 23 detects the position of the printed image on the first web strand passing under it B1, and the sensor 24 detects the position of the print image on the under it passing second track B2.
- the position signals of the sensors 23 and 24 are supplied to the control and regulating member 20.
- the control and regulating member 20 calculates the two sensor signals using a suitable algorithm and forms from this by comparison with input command signals, the control signals for the actuators 21st and 22.
- the actuator 21 is coupled to the first deflector 11 and the Actuator 22 with the second deflection 12.
- the actuators 21 and 22 act on the deflecting devices 11 and 12 corresponding to the control and regulating member 22nd formed actuating signals, i. they cause the adjustment of the Deflection devices 11 and 12 along their common axis of movement.
- the ongoing printing operation forms the control and regulating member 20 with the sensors 23 and 24th and the actuators 21 and 22 a control for the setting of the correct Cut register position for each of the web strands B1 and B2.
- these members form a control and regulation system until the end of production Receipt of a basic setting.
- Figures 3 and 4 show the cutting register adjustment device 10 and its immediate environment each in the same view in a three-dimensional representation, however, in two different states of the cut register setting device 10.
- the states differ by the positions that the deflection 11 and 12 each to each other.
- the diverters 11 and 12 can be arranged side by side in a small space become.
- the arrangement and movable mounting of the deflectors 11 and 12 is such that they are in a first state, shown in Figure 3, with respect to Direction F of the web B occupy the same height and even, as this is particularly is preferred axially continuous form a smooth, uniform roll body.
- roller body when pulling the web start of a new web a simple guide roller.
- the unavoidable clear gap between the free ends of the roll body is inside tolerances kept so narrow that he neglected for the entry of the web B. can be. In this sense, the roll body is uniform.
- the of the Deflection devices 11 and 12 formed deflection axes are aligned in the first state.
- the deflecting devices 11 and 12 each take relative to each other its initial base position, in which a web is retracted with free web start.
- the deflecting means 11 and 12 by means of Actuators 21 and 22 are moved apart in opposite directions, For example, in the second state shown in Figure 4, in which their deflection axes in a maximum distance are offset parallel to each other.
- the second shown State take the baffles 11 and 12 positions in which the Trajectory of the first track B1 a minimum length and the track path of the second Railway strand B2 has a maximum orbit length.
- the deflecting devices 11 and 12 can move from the position they take in the first state to their two other extreme positions are moved, if required by the cut register control.
- Intermediate states are of course also adjustable, preferably continuously.
- the frame side, at the first Bearing 11 is mounted, is denoted by 14, and the frame side on which the second deflecting device 12 is mounted, is designated 16.
- the frame sides 14 and 16 each form a parallel to the axis of movement guideway.
- the Deflection devices 11 and 12 are each on one of two carriages 13 and 15 rotatably mounted along the guideway formed by its frame side 14 or 16 is stirred linearly. Through the two carriages 13 and 15 is for a rigid mounting the deflecting devices 11 and 12 provided on their respective frame side 14 or 16.
- the deflecting axes formed by the deflecting devices 11 and 12 each have one right angle to the guideways formed by the frame sides 14 and 16.
- the adjustability of the deflectors 11 and 12 is by their storage and the Coupling with the actuators 21 and 22 designed so that for the positioning of the Cutting register of the two web strands B 1 and B2 required adjustment movements the deflecting devices 11 and 12 can be divided, preferably at least essentially half each, more preferably exactly half of each. Corresponding the maximum lengths of the adjustment of the deflectors 11 and 12 equal. Due to the advantageous storage of the deflectors 11 and 12 directly side by side, the adjustment paths are even the same, i. from the first Deflection 11 formed deflecting axis and that of the second deflection 12 formed deflection axis can between the two same outer Extreme positions are moved back and forth. The two deflection 11 and 12 are therefore equivalent in the ideal case described by way of example.
- the adjustability of the first deflection 11 opens up new possibilities for the Adjusting the cut registers of the direct strand and the turning strand, i. for the Control and / or regulation of the web strands B1 and B2.
- Path length of a strand is in the context of the invention, the length of the path of the relevant Strangs from its formation, this is the place of the strands B1 and B2 Longitudinal cutting, understood until merging.
- the direct strand is in the known setting method of the strand of the bundle on which the other web strands of the bundle.
- This type of cut register setting requires the other web strand or the several other web strands of the bundle big Adjustment paths for their adjustment serving deflection.
- the adjustment paths are typically on the order of 200 to 400 mm.
- a linear register like any of the Turning 11 and 12 represents a, the strand path experience, order extend a maximum of 1 mm per meter.
- the first web strand B1 can now be required for the cut register setting Adjustment be split on both web strands B1 and B2.
- the adjustment path for the turning strand of the web-strand bundle is reduced, by a part thereof, preferably half of the adjustment path for the turning strand of the Thomasregistereinstellglied for the direct strand, in the embodiment, the first Turning 11, is taken over.
- the total required Verwellweg is preferably evenly divided. If the direct strand with multiple web strands to bundled together, the adjustment paths are preferably so evenly as possible divided on the web strands to be joined together. The adjustment takes place Advantageously, under the optimization strategy that assumes the positioning time same adjustment speeds for the setting of the cut register is minimal.
- the path of the first track B1 is extended to the same extent as the track of the second track B2 is shortened.
- the path length changes to be made can also be a setting in the opposite direction, ie a shortening of the path of the first track B1 and extension of the path of the second Brustrangs B2 be advantageous.
- the reduction of the length of the adjustment path of the second deflection device 12 is particularly advantageous in the case of a change from one printed product to another in the case of continued printing production, since the waste can be considerably reduced.
- the new cut register setting may result in the first web strand B1 not being in register with the cut due to the change in length of its path even if the color register (s) were in register prior to adjustment with the cut.
- the direct, first web strand B1 is otherwise brought into the register with the cut, for example by means of a registration roller for the web B or preferably by a coordinated adjustment of the circumferential register of the ink transferring to the web B cylinder.
- the cross-cutting device can be adjusted in accordance with the path length changes of the web strands B1 and B2.
- both the circumferential register of the color-transmitting cylinder and the cross-cutting device can be adjusted adjusted.
- This part of the registration is carried out jointly with all web strands B1 and B2 of the same web B or all web strands of the bundle.
- Pathway and strand-wise registration are matched for the cut per bundle and preferably executed simultaneously.
- This also applies to the general case of the invention with reference to the exemplary embodiment with regard to registering by means of these further cut register setting members, in which the considered web strand bundle also contains one or more further web strands or only one of the web strands B1 and B2 beyond the web strands B1 and B2 ,
- the invention is already advantageous for a printing press for a one-sided, monochrome printing or two-sided printing in a single printing nip of a Printing unit, as will be described for purposes of explanation of a reference to the figure 1.
- the printing machine may include a plurality of printing units of this type, i. Rubber-rubber printing units, and / or of other types, for example satellite printing units, wherein the different types of printing units are arranged and operated be that the web B multicolored or a plurality of orbits B or is printed or colored in multiple colors.
- each of the web contacting and color on the web-printing cylinder each driven by its own motor, whereby the required synchronization of the respective cylinders is not mechanical, but signal technology, for example, electronically made.
- each a cut register adjustment device 10 is arranged according to the invention and also preferably has the on further features of this adjustment.
- the largest strand path length change and the largest adjustment path length of the relevant Bypass would be required for the third track B3. Whose Bypass would have to the largest Verstellwegmati from its original position to be moved.
- the total required setup time would be the time required would order the diverter for the third track B3 from its front of the Setting assumed starting position by the for a strand path length change 400 mm required Verstellwegm to proceed.
- the deflection 11 by 100 mm for a Extension and the deflection for the third track B3 also 100 mm for an equal amount of shortening of the relevant strand path be adjusted.
- the largest of the strand path length changes and the largest of Verstellwegenburgn minimized.
- the invention is at such an absolute Minimization is not limited, but also includes suboptimal design variants of the adjustment procedure. So it would also correspond to the invention, if, based on the For example, the path of the first web strand B1 only by 150 mm, for example is extended and, accordingly, the path of the second web track B2 by 150 mm and the path of the third track B3 be shortened by 250 mm, all three Web strands B1, B2 and B3 to bring the same cutting register position.
- the third web strand B3 may be at the third web strand B3 to act a web strand, obtained by slitting from the same web B. becomes like the first web B1 and the second web B2.
- the third track B3 But does not have the same track B as the two other railway lines B1 and B2, but may have been obtained from another web by slitting. He In fact, it can even be handled directly in web strand width from a roll have been.
- the Inventive adjustment method the inventive arrangement of individual or all Thomasregistereinstellglieder for the web strands in front of the turning bars and the Arrangement of the rail register adjustment members provided for each of their strands in mutual spatial proximity are in many different web guides, leading to the Formation of web strand bundles lead, advantageous.
Abstract
Description
Was den ungewendeten Direktstrang oder die mehreren Direktstränge einer Druckproduktion anbetrifft, so hat die Erfindung zur Folge, dass auch die Einstellung der Schnittregisterposition des Direktstrangs auf Verkleinerung oder vorzugsweise auf Minimierung der größten Verstellweglänge, die für einen oder mehrere der Bahnstränge des Bündels des betreffenden Direktstrangs vorzunehmen ist, durchgeführt wird.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand von Figuren erläutert. An dem Ausführungsbeispiel offenbar werdende Merkmale bilden je einzeln und in jeder Merkmalskombination die Gegenstände der Ansprüche weiter. Es zeigen:
- Figur 1
- eine Druckmaschine mit einer Schnittregister-Einstellvorrichtung, die vor einer Wendestangeneinrichtung angeordnet ist,
- Figur 2
- eine Ansicht der in einem ersten Zustand befindlichen Schnittregister-Einstellvorrichtung,
- Figur 3
- eine perspektivische Darstellung der in einem ersten Zustand befindlichen Schnittregister-Einstellvorrichtung und
- Figur 4
- eine perspektivische Darstellung der in einem zweiten Zustand befindlichen Schnittregister-Einstellvorrichtung.
Die neue Schnittregistereinstellung kann allerdings zur Folge haben, dass der erste Bahnstrang B1 aufgrund der Längenänderung seines Wegs nicht mit dem Schnitt im Register ist auch wenn das oder die Farbregister vor der Verstellung mit dem Schnitt im Register waren. Der direkte, erste Bahnstrang B1 wird anderweitig in das Register mit dem Schnitt gebracht, beispielsweise mittels einer Registerwalze für die Bahn B oder vorzugsweise durch eine abgestimmte Verstellung der Umfangsregister der die Farbe auf die Bahn B übertragenden Zylinder. Ebenso kann die Querschneideinrichtung in Abstimmung auf die Weglängenänderungen der Bahnstränge B1 und B2 verstellt werden. Gegebenenfalls können sowohl die Umfangsregister der farbübertragenden Zylinder als auch die Querschneideinrichtung abgestimmt verstellt werden. Dieser Teil der Registerung wird mit allen Bahnsträngen B1 und B2 der gleichen Bahn B bzw. allen Bahnsträngen des Bündels gemeinsam durchgeführt. Bahnweise und strangweise Registerung werden für den Schnitt pro Bündel entsprechend aufeinander abgestimmt und vorzugsweise gleichzeitig ausgeführt. Das anhand des Ausführungsbeispiels bezüglich der Registerung mittels dieser weiteren Schnittregister-Einstellglieder gesagte gilt auch für den allgemeinen Fall der Erfindung, in dem das betrachtete Bahnstrangbündel über die Bahnstränge B1 und B2 hinaus noch einen oder mehrere weitere Bahnstränge oder nur einen der Bahnstränge B1 und B2 enthält.
Claims (15)
- Verfahren zur Einstellung des Schnittregisters für eine und/oder in einer Druckproduktion, bei dema) eine Bahn (B) mit Druckbildern fortlaufend bedruckt,b) die Bahn (B) in einen ersten Bahnstrang (B1) und wenigstens einen zweiten Bahnstrang (B2) längsgeschnitten,c) der erste Bahnstrang (B1) mit wenigstens dem zweiten Bahnstrang (B2) und/oder wenigstens einem anderen Bahnstrang zu einem Bahnstrangbündel zusammengeführt,d) und das Bahnstrangbündel zwischen in Förderrichtung (F) aufeinander folgenden Druckbildern quergeschnitten wird,e) und bei dem die Längen der Wege der Bahnstränge (B1, B2) des Bündels vor dem Zusammenführen um Weglängenänderungen verstellt werden, die so bemessen sind, dass die auf das Querschneiden bezogenen Schnittregisterpositionen der Bahnstränge (B1, B2) eingestellt werden,f) wobei für den ersten Bahnstrang (B1) die Weglängenänderung so gewählt wird, dass eine größte der Weglängenänderungen kleiner ist als sie es wäre, wenn die Weglänge des ersten Bahnstrangs (B1) nicht verstellt würde.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Weglängenänderung des ersten Bahnstrangs (B1) so gewählt wird, dass die größte der Weglängenänderungen minimal wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass für jeden der Bahnstränge (B1, B2) des Bündels die Weglängenänderung mit dem Ziel der Verkleinerung, vorzugsweise mit dem Ziel der Minimierung, der größten der Weglängenänderungen gewählt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass wenigstens einer der Bahnstränge (B1, B2) des Bündels vor dem Zusammenführen gewendet und/oder gekehrt wird und dass die Weglängenänderung für den gewendeten und/oder gekehrten Bahnstrang (B2) noch vor dem Wenden und/oder Kehren vorgenommen wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Bahnstrang (B1) direkt, nämlich ungewendet, mit dem zweiten Bahnstrang (B2) und/oder dem wenigstens einen anderen Bahnstrang des Bündels zusammengeführt und quergeschnitten wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Farbregister eines Druckzylinders (2a, 2b), der Farbe für ein auf die Bahn (B) zu druckendes Druckbild bildgemäß überträgt, abgestimmt auf die Weglängenänderung des ersten Bahnstrangs (B1) eingestellt wird, um die auf das Querschneiden bezogene Schnittregisterposition des ersten Bahnstrangs (B1) zu erhalten.
- Schnittregister-Einstellvorrichtung in einer Druckmaschine, die Druckmaschine umfassend:a) wenigstens ein Druckwerk (2) zum Bedrucken einer Bahn (B),b) eine Längsschneideinrichtung (3a, 3b) zum Längsschneiden der bedruckten Bahn (B) in einen ersten Bahnstrang (B1) und wenigstens einen zweiten Bahnstrang (B2),c) eine Einrichtung (8, 9) zum Zusammenführen des ersten Bahnstrangs (B1) mit wenigstens dem zweiten Bahnstrang (B2) und/oder wenigstens einem anderen Bahnstrang zu einem Bündel,d) eine Querschneideinrichtung (25) zum Querschneiden des Bündels,e) und eine Schnittregister-Einstellvorrichtung (10), die für jeden der Bahnstränge (B1, B2) des Bündels je wenigstens eine Umlenkeinrichtung (11, 12) umfasst, die eine Umlenkachse für den ihr zugeordneten Bahnstrang (B1, B2) des Bündels bildet, wobei die Umlenkeinrichtungen (11, 12) bewegbar so gelagert sind, dass die jeweils gebildete Umlenkachse quer zu ihrer Achsrichtung um eine maximale Verstellweglänge verstellbar ist,f) wobei die maximale Verstellweglänge von jeder der Umlenkeinrichtungen (11, 12) so groß ist, dass die Verstellweglängen, um welche die von den Umlenkeinrichtungen (11, 12) gebildeten Umlenkachsen für eine Einstellung der auf das Querschneiden bezogenen Schnittregisterpositionen der Bahnstränge (B1, B2) verstellt werden müssen, auf die Umlenkeinrichtungen (11, 12) von allen Bahnsträngen (B1, B2) des Bündels aufgeteilt werden können.
- Schnittregister-Einstellvorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass jede der Umlenkeinrichtungen (11, 12) um eine maximale Verstellweglänge verstellbar ist, die wenigstens halb so groß wie die maximale Verstellweglänge jeder anderen der Umlenkeinrichtungen (11, 12) ist.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die maximalen Verstellweglängen der Umlenkeinrichtungen (11, 12) zumindest im Wesentlichen gleich sind.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Bahnstrang (B1) ein Direktstrang ist, der ungewendet mit wenigstens dem zweiten Bahnstrang (B2) und/oder den wenigstens einen anderen Bahnstrang zu dem Bahnstrangbündel zusammengeführt wird.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (8, 9) zum Zusammenführen der Bahnstränge (B1, B2) eine Wendestangeneinrichtung (8) für den zweiten Bahnstrang (B2) oder den wenigstens einen anderen Bahnstrang des Bündels umfasst und dass die Umlenkeinrichtung (12) für den zweiten Bahnstrang (B2) oder den wenigstens einen anderen Bahnstrang des Bündels auf dem Weg des zweiten Bahnstrangs (B2) oder des wenigstens einen anderen Bahnstrangs des Bündels vor der Wendestangeneinrichtung (8) angeordnet ist.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einrichtung (8, 9) zum Zusammenführen der Bahnstränge (B1, B2) eine Wendestangeneinrichtung (8) für den zweiten Bahnstrang (B2) umfasst und dass die Umlenkeinrichtung (11) für den ersten Bahnstrang (B1) und die Umlenkeinrichtung (12) für den zweiten Bahnstrang (B2) auf einem gemeinsamen Teil des Wegs der Bahnstränge (B1, B2) vor der Wendestangeneinrichtung (8) angeordnet sind.
- Schnittregister-Einstellvorrichtung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Umlenkeinrichtung (11) für den ersten Bahnstrang (B1) und die Umlenkeinrichtung (12) für den zweiten Bahnstrang (B2) so angeordnet sind, dass die Bahn (B) bei einem Bahneinzug um beide Umlenkeinrichtungen (11, 12) eingezogen werden kann, bevor sie längsgeschnitten wird.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umlenkeinrichtung (11) für den ersten Bahnstrang (B1) und die Umlenkeinrichtung (12) für den zweiten Bahnstrang (B2) so angeordnet sind, dass sich der Weg des ersten Bahnstrangs (B1) von dem Weg des zweiten Bahnstrangs (B2) erst hinter den beiden Umlenkeinrichtungen (11, 12) trennt.
- Schnittregister-Einstellvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Umlenkeinrichtung (11) für den ersten Bahnstrang (B1) und die Umlenkeinrichtung (12) für den zweiten Bahnstrang (B2) so angeordnet sind, dass die Bahn (B) bei einem Bahneinzug gleichzeitig um beide Umlenkeinrichtungen (11, 12) geführt werden kann.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002136658 DE10236658B4 (de) | 2002-08-09 | 2002-08-09 | Schnittregister-Aufteilung |
DE10236658 | 2002-08-09 |
Publications (3)
Publication Number | Publication Date |
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EP1388516A2 true EP1388516A2 (de) | 2004-02-11 |
EP1388516A3 EP1388516A3 (de) | 2005-03-30 |
EP1388516B1 EP1388516B1 (de) | 2008-08-13 |
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EP20030405564 Expired - Lifetime EP1388516B1 (de) | 2002-08-09 | 2003-07-28 | Schnittregister-Einstellvorrichtung |
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US (1) | US6955122B2 (de) |
EP (1) | EP1388516B1 (de) |
JP (1) | JP2004075391A (de) |
AT (1) | ATE404483T1 (de) |
DE (2) | DE10236658B4 (de) |
ES (1) | ES2311685T3 (de) |
Cited By (3)
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EP1650151A1 (de) * | 2004-10-23 | 2006-04-26 | MAN Roland Druckmaschinen AG | Verfahren zur Schnittregistereinstellung bei einer Rollenrotationsdruckmaschine |
EP2020292A2 (de) * | 2007-07-28 | 2009-02-04 | manroland AG | Rollenrotationsdruckmaschine |
WO2015082286A1 (de) * | 2013-12-02 | 2015-06-11 | Khs Gmbh | Vorrichtung sowie verfahren zum schneiden eines bahnmaterials in teilbahnen und spreizen der teilbahnen |
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IT1344097B1 (it) * | 2003-06-04 | 2008-02-12 | Tecnau Srl | Equipaggiamento di punzonatura e/o di perforazione per moduli continui |
DE10337248B4 (de) * | 2003-08-13 | 2009-12-17 | Maschinenfabrik Wifag | Bahnspreizverfahren und Bahnspreizvorrichtung |
DE102005042345A1 (de) * | 2005-09-07 | 2007-03-08 | Man Roland Druckmaschinen Ag | Falzwerkoberteil |
US7611134B2 (en) * | 2005-12-13 | 2009-11-03 | Pitney Bowes Inc. | Cutter sequencing method and apparatus |
DE102006037946A1 (de) * | 2006-08-12 | 2008-02-14 | Man Roland Druckmaschinen Ag | Verfahren zur Schnittregisterregelung an einer Rollenrotationsdruckmaschine |
US7765926B2 (en) * | 2007-02-08 | 2010-08-03 | Goss International Americas, Inc. | Web printing press with delivery stream length determination |
DE102008017532A1 (de) * | 2008-04-03 | 2009-10-08 | Manroland Ag | Schnittregisterregelung |
DE102008054019A1 (de) * | 2008-10-30 | 2010-05-06 | Manroland Ag | Rollenrotationsdruckmaschine und Verfahren zum Einstellen des Schnittregisters davon |
IT1398613B1 (it) * | 2010-03-16 | 2013-03-08 | C M C Srl | Dispositivo e metodo per l'alimentazione di strisce continue ad una stazione di recisione trasversale di tali strisce |
FR2959990B1 (fr) * | 2010-05-17 | 2012-06-08 | Kern | Dispositif d'alimentation d'une machine de coupe transversale d'au moins une bande de materiau souple |
DE102012103711B4 (de) * | 2012-04-27 | 2021-04-01 | Manroland Goss Web Systems Gmbh | Querschneideeinrichtung einer Rollendruckmaschine |
EP3013590B8 (de) | 2013-06-28 | 2019-06-19 | Hewlett-Packard Development Company, L.P. | Drucken von druckrahmen auf der basis gemessener rahmenlängen |
DE102019119994A1 (de) * | 2019-02-20 | 2020-08-20 | Bw Papersystems Stuttgart Gmbh | Vorrichtung zum Schneiden einer Materialbahn in einzelne Bögen mit einem Bahnspeicher |
CN113321044B (zh) * | 2021-04-08 | 2022-06-10 | 温州万润机械有限公司 | 一种分切机 |
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- 2003-07-28 DE DE50310306T patent/DE50310306D1/de not_active Expired - Lifetime
- 2003-07-28 ES ES03405564T patent/ES2311685T3/es not_active Expired - Lifetime
- 2003-07-28 EP EP20030405564 patent/EP1388516B1/de not_active Expired - Lifetime
- 2003-07-28 US US10/629,070 patent/US6955122B2/en not_active Expired - Fee Related
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EP1650151A1 (de) * | 2004-10-23 | 2006-04-26 | MAN Roland Druckmaschinen AG | Verfahren zur Schnittregistereinstellung bei einer Rollenrotationsdruckmaschine |
US7114440B2 (en) | 2004-10-23 | 2006-10-03 | Man Roland Druckmaschinen Ag | Method for setting the cut register in a web-fed rotary press |
EP2020292A2 (de) * | 2007-07-28 | 2009-02-04 | manroland AG | Rollenrotationsdruckmaschine |
EP2020292A3 (de) * | 2007-07-28 | 2011-07-27 | manroland AG | Rollenrotationsdruckmaschine |
WO2015082286A1 (de) * | 2013-12-02 | 2015-06-11 | Khs Gmbh | Vorrichtung sowie verfahren zum schneiden eines bahnmaterials in teilbahnen und spreizen der teilbahnen |
EP3216731A1 (de) * | 2013-12-02 | 2017-09-13 | KHS GmbH | Vorrichtung sowie verfahren zum schneiden eines bahnmaterials in teilbahnen und spreizen der teilbahnen |
Also Published As
Publication number | Publication date |
---|---|
EP1388516B1 (de) | 2008-08-13 |
US20040028448A1 (en) | 2004-02-12 |
US6955122B2 (en) | 2005-10-18 |
EP1388516A3 (de) | 2005-03-30 |
JP2004075391A (ja) | 2004-03-11 |
DE10236658A1 (de) | 2004-02-26 |
DE10236658B4 (de) | 2012-11-29 |
ATE404483T1 (de) | 2008-08-15 |
ES2311685T3 (es) | 2009-02-16 |
DE50310306D1 (de) | 2008-09-25 |
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