EP1753622B1 - Method for producing a printing plate and for feeding the same to an impression cylinder of a printing press - Google Patents

Method for producing a printing plate and for feeding the same to an impression cylinder of a printing press Download PDF

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Publication number
EP1753622B1
EP1753622B1 EP20050747786 EP05747786A EP1753622B1 EP 1753622 B1 EP1753622 B1 EP 1753622B1 EP 20050747786 EP20050747786 EP 20050747786 EP 05747786 A EP05747786 A EP 05747786A EP 1753622 B1 EP1753622 B1 EP 1753622B1
Authority
EP
European Patent Office
Prior art keywords
printing
forme
cylinder
printing forme
forme cylinder
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
EP20050747786
Other languages
German (de)
French (fr)
Other versions
EP1753622A1 (en
Inventor
Georg Schneider
Karl Robert SCHÄFER
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 to DE102004024427 priority Critical
Priority to DE200410024442 priority patent/DE102004024442B4/en
Priority to US57149404P priority
Priority to US57149304P priority
Priority to DE102004032550 priority
Priority to DE102004040693 priority
Priority to PCT/EP2005/051511 priority patent/WO2005110755A1/en
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1753622A1 publication Critical patent/EP1753622A1/en
Application granted granted Critical
Publication of EP1753622B1 publication Critical patent/EP1753622B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/12Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1281Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/005Attaching and registering printing formes to supports

Abstract

The invention relates to a method for feeding a plate to an impression cylinder of a printing press, to a method for producing said plate and to a device for laterally aligning and guiding a tympan sheet that is to be fed to a printing press cylinder. According to said method for feeding a plate to an impression cylinder of a printing press, the plate is fed to the impression cylinder in the axial direction of the latter in a precise manner using a device and during the feed process at least one edge of the plate that has been cut to run parallel to a delimitation line of the type area is guided against at least one stop of the device in an axial direction in relation to the impression cylinder.

Description

  • The invention relates to a method for producing a printing form and for supplying the same to a forme cylinder of a printing press according to claim 1.
  • By the DE 101 58 158 A1 a device for mounting an elevator on a cylinder of a printing machine is known, wherein at least one effective in the axial direction of the cylinder stop is arranged outside the cylinder, which in a feed plane of the elevator into pivotable and by means of which the elevator the cylinder in the axial direction can be fed positionally accurate is, wherein the elevator z. B. is pressed by spring force to the lateral stop.
  • By the DE 196 20 997 A1 and the EP 0 808 714 A2 Devices and methods for the axial positioning of a printing plate are known, wherein a arranged between a forme cylinder and a printing plate providing means side stop of a side register means in a parallel to the forme cylinder directed adjustment range is preferably infinitely positionable, wherein a gripper unit to be supplied to the forme cylinder of the printing plate-supplying device Pressing pressure plate against the positioned side stop, wherein the position of the side stop is selected such that a run on this side stop pressure plate can be fed to the form cylinder positionally correct. In addition, can be provided on the forme cylinder and / or on the printing plate-providing device, a further side stop for the forme cylinder to be supplied pressure plate, wherein on the forme cylinder in the axial direction next to each other a plurality of printing plates can be arranged and each of these several printing plates each have a further side stop on the forme cylinder and / or may be associated with the printing plate providing device.
  • By the DE 196 09 084 A1 A method for producing a plurality of printing plates is known, in which individual printing plates are cut from a sheet consisting of a printing plate material, wherein a trimming of the edges of the individual printing plates is made by reference marks, but these marks are arranged either in the type area or on the edge to be cut off ,
  • By the DE 199 19 263 A1 is a processing device for trimming printing plates for offset printing machines by mechanical processing of the respective printing plate for accurately fitting for the respective printing machine known, wherein optical sensors for detecting present on the printing plate, in a defined arrangement with respect to the position of a printed image imprinted markings provided Furthermore, a mechanical processing station, which is arranged at a defined position relative to the sensors, as well as alignment means for automatic, controlled by the sensors controlled alignment of the printing plate on the basis of the imprinted, print image related markings are provided, wherein the processing station a plurality of optionally activatable punches for Punching pass holes and / or cutouts. The imprinted markings can be part of the printed image.
  • By the EP 0 678 383 A1 a device for changing printing plates to rotary printing machines is known, wherein a printing forme cylinder to be supplied to a printing plate can be aligned with a side stop.
  • By the WO 2004/020202 A2 a device for mounting a printing forme on a forme cylinder of a printing machine is known, wherein provided on the forme cylinder to be mounted printing forms at least within certain tolerance limits have a different width, each printing plate in their Assembly direction has two sides with a length, wherein at least one on the one side parallel to the length of the printing form attacking slide is provided, wherein at the other parallel to the length side of the printing plate at least one stop is provided, wherein the slide against the pressure plate to be mounted pushes the stop.
  • By the DE 195 39 453 A1 a registration system for aligning printing plates for offset printing machines is known, wherein the passport system a printing cylinder, a laser exposure device for exposing the printing plate within a print image field, which is bounded by two parallel to the printing cylinder axis, defining a print start and a printing end, as well as a trimming device with which the printing plate is prepared for mounting on the printing cylinder, wherein the laser exposure device for determining the position of the printing plate has three measuring points, namely two lateral, spaced apart lateral position measuring points and a depth position measuring point, wherein the lateral position measuring points lie a connecting line, which runs at right angles to the beginning of printing or to the end of printing, and the depth position measuring point in a defined, measured perpendicular to the print start distance from the print start and in a defined side distance from the connecting line of the lateral position measuring points angeo rdnet, wherein the printing cylinder has corresponding lateral position measuring points, and wherein the pressure plate may have at an edge to be folded along a punched at a distance parallel to the pressure beginning line punched pass holes.
  • By the WO 03/047861 A2 a device for mounting an elevator on a cylinder of a printing machine is known, wherein this device has at least one effective stop in the axial direction of the cylinder, by means of which the elevator is the position in the axial direction fed accurately to the cylinder. This stop is located outside the cylinder.
  • The invention has for its object to provide a method for producing a printing forme and for supplying the same to a forme cylinder of a printing press, wherein the printing forme can be accurately fed to the forme cylinder in its axial direction.
  • The object is achieved by the features of claim 1.
  • The achievable with the present invention consist in particular in that a printing forme by means of the device to the cylinder, preferably the form cylinder of the printing press in the axial direction is accurately fed. Moreover, jamming of the supplied printing forme during its supply to the cylinder is effectively avoided. Further advantages can be taken from the following description.
  • An embodiment of the invention is illustrated in the drawings and will be described in more detail below.
  • Show it:
  • Fig. 1
    a side view of the device with a forme cylinder to be supplied printing form;
    Fig. 2
    a perspective view of the device with in the axial direction of Form cylinder a plurality of juxtaposed to be supplied printing forms;
    Fig. 3
    a perspective view of the device with in the axial direction of the forme cylinder a plurality of juxtaposed printing forms to be supplied and a form cylinder to be discharged from the printing form;
    Fig. 4
    a traverse with resiliently mounted stops;
    Fig. 5
    a traverse with resiliently mounted stops and rollers;
    Fig. 6
    a detailed view of the in the Fig. 4 Traverse shown;
    Fig. 7
    a longitudinal section through the traverse.
  • Particularly in multi-color printing, it is important for the quality of a printed product to be printed on the same printed image in successive printing units of a printing press in register printing on their respective form cylinder are arranged to different from each other, printed by different printing units, but belonging to the same print image Color separations of the printed product on the substrate to print accurately to each other. In order to enable a register-containing, in particular page register-containing alignment and feeding of printing plates to their respective form cylinder, the printing forms involved in the printing process are prepared as follows.
  • A z. B. to be used in an offset printing method printing form 02 is prepared such that a Rohdruckform imaged with a printed image ( Fig. 2 and 3 ) and their shape is adapted to the intended use in a printing press. The Rohdruckform can z. B. consist of a thin, flexible, rectangular plate, wherein the length and width dimension of a tolerance of z. B. ± 1 mm can have. This large tolerance is unacceptable, in particular for printing plates 02 to be used in multicolor printing, since registers in the printing process, e.g. B. page register, circumferential register, color register, z. B. with an accuracy between 0.005 mm and 0.03 mm, preferably between 0.01 mm and 0.02 mm must be set to produce a qualitatively acceptable printed product with a print image of sufficient image sharpness.
  • The surface of the printing plate 02 to be imaged is its working surface. The working surface of the printing plate 02 is within a set by two parallel lines set level 11 by an imaging device or in an imaging device with a printed image z. B. photographically illustrated. The two parallel lines 12; 13 of the type area mirror 11 are aligned parallel to the transport direction of a printing image in the printing process receiving the printing material in the printing process. There is at least one edge 14 of the printing plate 02 after the imaging of the working surface parallel to the two parallel lines 12; 13 of the sentence mirror 11 cropped. Preferably, two parallel edges 14; 16 of the printing plate 02 after the imaging of the working surface parallel to the two parallel lines 12; 13 of the sentence mirror 11 cropped. Thus, the trimming of the at least one edge 14 takes place; 16 of the printing plate 02 as a function of the pressure applied to the printing plate 02 print image, so that at least this one edge 14; 16 is always aligned parallel to the type area 11. The trimmed edge 14; Thus, 16 always has a fixed relation to the printed image applied on the printing form 02. This measure is advantageous, as a register-based alignment of the printed image is facilitated thereby. If it is ensured that the printing plate 02 exactly parallel to the transport direction of the printing image receiving substrate is fed to a forme cylinder 01 of the printing press and mounted on the forme cylinder 01, the form cylinder 01 for the register setting of the printing plate 02 corresponding adjusting devices, for. B. register pins o. Ä. No longer needed.
  • In the manufacturing process of the register-containing printing forme 02, it is preferably displaceably mounted in the plane of its working surface in two mutually orthogonal directions, the displacement path being in the range of a few hundredths of a millimeter. Likewise, the printing forme 02 is preferably rotatably mounted in the plane of its working surface about an axis perpendicular to the job search of the printing forme 02. For this purpose, a rotatable XY table can be provided, which ensures a high positioning accuracy for the resting printing forme 02.
  • The printing form 02 is at least one of its at least one trimmed edge 14; 16 orthogonal edge 17 provided with an angularly bent leg 18 ( Fig. 1 ), wherein the bent leg 18 of the assembly of the printing plate 02 is used on the forme cylinder 01 and wherein the fold of the leg 18 preferably after the trimming of the edge 14; 16 takes place. This bent leg 18 is formed in particular at the leading end of the printing plate 02. The turn angle can z. B. starting from the working surface of the printing plate 02 between 45 ° and 135 ° are preferably z. At 45 ° ± 10 ° or at 90 ° ± 10 °. The bending of the leg 18 takes place in a direction away from the working surface of the printing forme 02. The printing forme 02 can preferably also be attached to two parallel to its trimmed edge 14; 16 orthogonal edges 17; 19 each with an angularly bent leg 18; 21 are provided, so also at their trailing end an angled leg 21 have (in the Fig. 2 and 3 the edge 17 and the leg 18 of the printing form 02 formed thereon are covered). Preferably, the working surface of the printing plate 02 is formed rectangular, wherein the working surface by two parallel trimmed edges 14; 16 and two perpendicular bending edges 17; 19 is limited. The turn angle of the legs 18; 21 is preferably selected such that the printing plate 02 by means of a device automatically, ie by a remotely actuable adjusting device, fed and also automatically mounted on the outer surface of the forme cylinder 01 and can be fixed.
  • In the manufacturing process of the register-containing printing forme 02, in particular in connection with its illustration, its working surface is provided with at least two spaced-apart markings, on the basis of which the at least one edge 14 to be trimmed; 16 of the printing plate 02 parallel to the two lines 12; 13 of the type area mirror 11 is aligned. The markings are on one of the leg 18 abzukantenden. 21 attached.
  • The markings are preferably formed machine detectable, z. B. as a cross or as a circle. The markings are designed such that they are preferably connected to a sensor, for. B. can be detected with an optical sensor, in particular with a video camera, wherein the sensor provides its output signal of the output evaluating control means available. A sensor designed as a video camera provides its output signal to an image-evaluating control device.
  • The displaceable during their preparation in an adjustment and / or rotatably mounted printing plate 02 is z. B. from the control device in response to the detected markings before trimming their edge (s) 14; 16 and / or before the bending of his / her thigh (s) 18; 21 aligned in their position. For this purpose, the aligned in the adjustment printing plate 02 before the trimming of its edge (s) 14; 16 and / or before the bending of his / her thigh (s) 18; 21 in the aligned position z. B. fixed with a suction device. Preferably only after trimming the edge (s) 14; 16 and / or after the bending of the leg (s) 18; 21 of the printing plate 02, the fixation is released again, so that the aligned in their position printing plate 02 during their mechanical processing by trimming and / or bending of the edge (s) 14; 16 remains fixed. Trimming and bending of edge (s) 14; 16 accordingly takes place without an intermediate change in the position of the aligned printing forme 02.
  • It is a particular advantage that the printing form 02 prepared in the manner described above is formed without register punching and is ready for use without register punching in the printing press.
  • The printing plate 02 produced by means of the method described above, with its at least one after the imaging of its working surface parallel to the parallel lines 12; 13 of the type area mirror 11 cut edge 14; 16 fed to the forme cylinder 01 of the printing press, aligned during the feeding for a register-containing positioning laterally to this forme cylinder 01 and mounted there on the forme cylinder 01. In addition to the positionally accurate arrangement causes the lateral alignment of the printing plate 02 also that the trimmed edge 14; 16 of the printing plate 02 and thus also to this edge 14; 16 parallel lines 12; 13 of their sentence mirror 11 are aligned orthogonal to the axis 22 of the forme cylinder 01. In the figures, only a single forme cylinder 01 is indicated in each case, but it is understood that the proposed device can be provided at all participating in the printing process for a particular printed matter printing units, so that several of these devices are arranged in the same printing press. For reasons of clarity, a multiple representation of the device has been dispensed with here.
  • In the following, the device for supplying a register-produced printing forme 02 for
  • Form cylinder 01 described in more detail. The exact positioning in the axial direction of the printing forme 02 to the forme cylinder 01 is z. B. over a table or out of a magazine, and preferably such that a folded end of the printing forme 02 can be inserted into a extending in the longitudinal direction of the forme cylinder 01 under its lateral surface channel 28, wherein the channel 28 on the lateral surface of the forme cylinder 01 a z. B. slot-shaped opening 29 preferably with a slot width S between 1 mm and 3 mm ( Fig. 2 and 3 ). In the channel 28, a holding device 03 is arranged, wherein the holding device 03 is formed in the preferred embodiment as a disposed in the channel 28 clamping device 03 ( Fig. 1 ). However, the ends of the printing plate 02 can also be held by the shaping of the end and channel 28 without clamping device 03, that is, solely by a positive connection. So that the printing forme 02 with respect to the axial direction of the forme cylinder 01 in the correct position, ie in a direction orthogonal to the axial direction of the forme cylinder 01 orientation, supplied and optionally fixed, outside of the forme cylinder 01, a device 04 for guiding the printing plate 02 prepared in register is provided ,
  • The device 04 for guiding the printing plate 02 has z. B. a to the axis 22 of the forme cylinder 01, that is, in its longitudinal direction, substantially parallel pivot axis 26 to which at least one stop 06; 07 is pivotable. This stop 06; For example, 07 is swiveled away for an operating situation in which no printing plate change is to take place and is swiveled in when a printing plate 02 is fed. Over the length of the forme cylinder 01, which is substantially the width of z. B. four printed pages, z. B. newspaper pages, corresponds to z. B. four such stops 06 (for each of the four printing plates 02 each one) arranged on a shaft. The printing plates 02 are z. B. by spring force (not shown) to the respective lateral stop 06; 07 pressed. There are z. B. additionally provided over the length of the forme cylinder 01 and the shaft two stops 07, which are in the case of double-width printing plates 02 can be swung. The pivotable stops 06; 07 are z. B. integrable in an arrangement of a fully or semi-automatic disc changer. The axial position of the stops 06; 07, the z. B. as thin plates ("wings") on a traverse to be pivoted 27, z. B. a square tube, are arranged, if appropriate, and / or the entire device 04 for guiding the printing forme 02 be adjustable. In particular, the attacks 06; 07 for changing their respective position in the axial direction 22 of the forme cylinder 01 on the crossbar 27 to be displaceable at least within a defined setting range.
  • In a further development, the device 04 for guiding the printing forme 02 on one of the stops 06; 07 different side of a roll 08 or more rollers 08, which for removing the printing forme 02 from the forme cylinder 01 after appropriate pivoting of the device 04 for guiding the printing forme 02 to hold down the assumed printing forme 02, so that these accurately positioned on the table, z. B. at a stop 06; 07 comes to rest. A further auxiliary device 09 for mounting or detaching the printing forme 02 may likewise have one roller or a plurality of adjustable rollers (FIG. Fig. 1 ).
  • For this device 04 for lateral alignment of at least one forme cylinder 01 of a printing press to be supplied to the printing plate 02, wherein at least one in the axial direction of the forme cylinder 01 effective, the supplied printing forme 02 laterally aligning stop 06; 07 is arranged outside the forme cylinder 01 in a feed plane of the printing forme 02, it is preferably provided that the previously supplied printing forme 02 or another printing forme 02 arranged on the forme cylinder 01 can be discharged from the forme cylinder 01 in a discharge plane 23 of the printing forme 02. If the stop 06; 07 engages at least partially in the discharge plane 23 during the feeding of the printing forme 02, it must be ensured that the stop 06; 07 is removed during the removal of the printing forme 02 from the discharge plane 23, which is why the stop 06; 07 from the discharge plane 23 z. B. is led out by a pivoting movement, so as not to hinder the removal of the printing forme 02.
  • Fig. 3 shows in the axial direction of the forme cylinder 01 a plurality of juxtaposed zuzuführende printing plates 02 and a forme cylinder 01 discharged printing forme 02, wherein the discharged printing forme 02 is discharged below the feed plane 24 from the forme cylinder 01. In the presentation of the Fig. 3 the feed plane 24 largely covers the printing forme 02 to be removed in its discharge plane 23.
  • Preferably, the feed plane 24 of the printing plate 02 and the discharge plane 23 of the printing plate 02 are arranged offset from each other, for. B. vertically offset from one another ( Fig. 2 and 3 ). In a particular embodiment, the feed plane 24 of the printing plate 02 and the discharge plane 23 of the printing plate 02 may at least partially overlap, so be at least partially congruent and even identical. The stop 06; 07 is arranged pivotable about the pivot axis 26, which is essentially parallel to the longitudinal axis of the forme cylinder 01, into the feed plane 24 of the printing forme 02 or out of it. The stop 06; 07 is preferably arranged on the pivotable traverse 27. With the stop 06; 07 is the printing forme 02 the form cylinder 01 in the axial direction can be fed accurately, wherein the axial position of the stopper 06; 07 is preferably made adjustable and thus may have different operating positions as needed. If over the length of the forme cylinder 01 more, z. B. four axially spaced stops 06 are provided, these stops 06 are preferably simultaneously pivotable. At different axial position arranged stops 06; 07 can also intervene at different times in the Abführebene 23 of the printing plate 02. For the device 04 for guiding the printing forme 02 accordingly different operating positions are defined as a result of the pivoting movement about the pivot axis 26, namely, if any of the stops 06; 07 engages in the feed plane 24 and / or the discharge plane 23 of the printing plate 02 and if so, which of the stops 06; 07 in the feed plane 24 and / or the discharge plane 23 of the printing forme 02 attacks. A stop 06 for aligning a narrow printing plate 02 engages at a different time in the Abführebene 23 of the printing plate 02 as a wide panoramic printing 02 aligning stop 07, wherein a panoramic printing plate 02 in the axial direction of the forme cylinder 01 z. B. has twice the width of a normal wide printing plate 02. Likewise, arranged at different axial position stops 06; 07 at different times from the discharge plane 23 of the printing forme 02 be removed. Furthermore, arranged in an operating position at different axial position stops 06; 07 simultaneously removed from the discharge plane 23. The device 04 for guiding the printing forme 02 is remotely operable with respect to their different operating positions, preferably by a control device assigned to the printing press, for. As a control room, controllable.
  • The stop 06; 07 acts on the lateral edge of the printing forme 02, in particular on at least one of the trimmed edges 14; 16, parallel to the applied on the printing plate 02 printed image, d. H. parallel to a boundary line 12; 13 of its type mirror 11, is aligned. Characterized in that the printing forme 02, whose at least one trimmed edge 14; 16 is in a fixed relation to the pressure applied to the printing plate 02 print image, in a by the stop 06; 07 position accurate alignment is supplied to the forme cylinder 01, this printing plate 02 can be mounted in register on the lateral surface of the forme cylinder 01, without the need for further adjustment means for registering this printing plate 02.
  • In order to effectively avoid jamming of the supplied printing forme 02 while it is being fed to the forme cylinder 01, at least one of the printing forme 02 fed longitudinally to the feeding direction is at least one effective in the axial direction of the forme cylinder 01, the printing forme 02 to be fed laterally aligning stop 06; 07 outside of the forme cylinder 01, wherein one of these two the supplied printing forme 02 laterally aligning stops 06; 07 is mounted in a bearing 31 with an effective in the axial direction of the forme cylinder 01 spring element 32, wherein the bearing in this bearing 31 stop 06; 07 against a force exerted by the spring element 32 force in the axial direction of the forme cylinder 01 is displaceable ( Fig. 6 and 7 ). Thus, at least one of the forme cylinder 01 to be supplied to the printing plate 02, but preferably each of the forme cylinder 01 supplied printing forme 02 laterally between a rigid in the axial direction of the forme cylinder 01 and a spring-mounted stop 06; 07 led.
  • Preferably, the bearing 31 is arranged with the effective in the axial direction of the cylinder 01 spring element 32 in or on the extending in the axial direction of the cylinder 01 traverse 27. In the preferred embodiment, for each of the pressure cylinders 02 arranged side by side in the axial direction of the forme cylinder 01, a stop 06 mounted in a bearing 31 with a spring element 32 acting in the axial direction of the forme cylinder 01 is provided. 07 provided.
  • An embodiment of in a bearing 31 with an effective in the axial direction of the forme cylinder 01 spring element 32 stops 06; 07 is in the Fig. 4 to 7 shown, where Fig. 6 a detailed view of the Fig. 4 shows. For the sake of clarity was in the Fig. 2 and 3 only with respect to the cross member 27 each rigidly arranged stop 06; 07 shown. In the Fig. 5 are the ones in the Fig. 2 and 3 required stops 06; 07 fully illustrated. The Fig. 7 shows a detail of a longitudinal section through the preferably designed as a hollow profile traverse 27, wherein the hollow profile z. B. a round ( Fig. 4 ) or a rectangular ( Fig. 5 ), in particular square cross-section. In the Fig. 4 to 7 is the rigid with respect to the cross member 27 stop with the reference numeral 06 and with respect to the cross member 27 axially movable stop designated by the reference numeral 07. These reference numerals 06; 07 are used below according to this assignment. In the Fig. 4 are the stops 06; 07 offset at the cross member 27 at an obtuse angle, in the Fig. 5 each with an offset of 180 °. Both with respect to the cross member 27 rigid stop with the reference numeral 06 and with respect to the cross member 27 axially movable stop with the reference numeral 07 can be configured in the axial direction of the cross member 27 at least within a certain adjustment range and thus adjustable. Their property of being rigid or axially movable relates only to those operating conditions in which they laterally align and / or guide a printing forme 02 to be fed to the forme cylinder 01 during the feeding process.
  • In the in the 4 to 6 As shown, a linear guide 33 is provided in the interior of the traverse 27 on each bearing 31 of a movable stop 07 in the axial direction of the forme cylinder 01, wherein the stop 07 movable in the axial direction of the forme cylinder 01 is fixedly connected to the movable part of the linear guide 33 , In the axial direction of the forme cylinder 01 not movably formed stops 06 are fixedly connected to their pre-selected axial positioning with the traverse 27. The traverse 27 has at the positions of the movable stops 07 each have an opening 34, z. B. a directed in the axial direction of the forme cylinder 01 slot 34 to connect the respective movable stop 07 with the arranged inside the traverse 27 linear guide 33. The spring element 32 is disposed within the linear guide 33 or frontally on the linear guide 33 and connected on one side with a respect to the cross member 27 not movable bracket 36 ( Fig. 7 ). The spring element 32 is z. B. as a spring 32, in particular as a helical, cylindrical or as a plate-shaped spring 32, as a resilient body 32, z. B. a sufficiently soft rubber buffer, or as a z. B. formed from two cooperating spring plates existing Parallelogrammverschiebung. A directed in the axial direction of the forme cylinder 01 travel of the spring element 32 is z. B. in the range of ± 0.5 mm to about 2 mm, preferably ± 0.5 mm to 1 mm. The spring element 32 is preferably biased.
  • The linear guide 33 can be within a predetermined by the spring travel of the spring element 32, maximum displacement displacement by a force associated with the linear guide 33 movable stop 07 in the axial direction of the forme cylinder 01 moving force, which in the Fig. 7 each indicated by a parallel to the traverse 27 directed double arrow on the movable stop 07, whereby a z. B. production-related fluctuation of extending in the axial direction of the forme cylinder 01 width of the forme cylinder 01 supplied printing forme 02 can be compensated as needed and jamming of the supplied printing forme 02 during its supply to the forme cylinder 01 can be avoided. Despite the flexibility, ie the displaceability of the movable guide 07 connected to the linear guide 33 receives the forme cylinder 01 supplied printing forme 02 due to the resilient mounting of this movable stop 07 sufficient lateral stability for their register-containing supply to the forme cylinder 01. The at least one in relation to Printed image of the printing plate 02 cut edge 14; 16 of this printing forme 02 is reliably aligned by the resiliently mounted movable stop 07 on the stop 27, which is rigid with respect to the traverse 27, both laterally aligned and during the feeding of this printing forme 02 to this rigid stop 06.
  • At least in the axial direction of the forme cylinder 01 movably mounted stop 07 can on its side facing the forme cylinder 01 printing form 02 side facing for this printing form 02 a guide z. B. in the form of embedded in the stop surface or molded groove. The movable in the axial direction of the forme cylinder 01 stop 07 is z. B. formed as a perpendicular from the traverse 27 projecting pin or web, whereas the rigidly connected to the cross member 27 stop 06 is angularly formed with a comparatively large, the forme cylinder 01 to be supplied to the printing plate 02 facing guide surface.
  • The printing forme 02 to be supplied to the forme cylinder 01 is moved during the feeding process, ie during its transport movement directed towards the forme cylinder 01, between the stops 06; 07 in preferably sliding contact with these stops 06; 07 passed. In this case, the printing plate 02 exerts on the one hand on the movable in the axial direction of the forme cylinder 01 stop 07 against the spring element 32 a force, on the other hand, this printing plate 02 in response to their support on the axially movable in the axial direction of the forme cylinder 01 stop 07 during their directed to the forme cylinder 01 transport movement against the effective for this printing plate 02, with respect to the cross member 27 rigidly arranged stop 06 pressed. By an interaction of the with the attacks 06; 07 trained device 04 for guiding the printing plate 02 with the printing plate 02 produced in register can be achieved at least Seitenenregister accurate positioning of the printing plate 02 on the outer surface of a forme cylinder 01, because consistently through the entire assembly process, a fixed relationship between that on the printing plate 02 by the imaging Applied printed image and the help of the stops 06; 07 made positioning this printing forme 02 on the forme cylinder 01 remains.
  • LIST OF REFERENCE NUMBERS
  • 01
    form cylinder
    02
    Printing form, panoramic printing form
    03
    Holding device, clamping device
    04
    Device for guiding the printing form
    05
    -
    06
    attack
    07
    attack
    08
    role
    09
    auxiliary device
    10
    -
    11
    type area
    12
    line
    13
    line
    14
    edge
    15
    -
    16
    edge
    17
    edge
    18
    leg
    19
    edge
    20
    -
    21
    leg
    22
    axis
    23
    removal plane
    24
    feed plane
    25
    -
    26
    swivel axis
    27
    traverse
    28
    channel
    29
    opening
    30
    -
    31
    camp
    32
    Spring element, spring, spring-elastic body
    33
    linear guide
    34
    Opening, oblong hole
    35
    -
    36
    bracket
    S
    slot width

Claims (10)

  1. Method for producing a printing forme and for feeding the latter to a forme cylinder of a printing press, in which method a working face of the printing forme is imaged with a printing image within a print space which is delimited by two parallel lines, in which method at least two markings which are spaced apart from one another are applied to a leg which is to be bent away on the printing forme, in which method the at least one edge to be cut of the printing forme is oriented parallel to the two lines of the print space and is cut on the basis of these markings, in which method at least the leg which has the markings is bent away in an angular manner at a bending edge which is orthogonal with respect to the cut edge, in which method the printing forme is fed with the aid of an apparatus to the forme cylinder in its axial direction in a positionally accurate manner, and in which method, during feeding, the at least one cut edge of the printing forme is guided at least on at least one stop of the apparatus in an axially active direction with respect to the forme cylinder.
  2. Method according to Claim 1, characterized in that the printing forme which is to be fed to the forme cylinder is guided through between at least two stops which are arranged spaced apart from one another in the axial direction with regard to the forme cylinder and are active in the axial direction of the forme cylinder.
  3. Method according to Claim 2, characterized in that the edge of the printing forme which is to be fed to the forme cylinder, which edge is cut parallel to a bounding line of the print space, is oriented with regard to an axial position of the forme cylinder by at least one of the stops which act in the axial direction of the forme cylinder.
  4. Method according to Claim 3, characterized in that that edge of the printing forme which is to be oriented with regard to an axial position of the forme cylinder is oriented by a further stop which guides the said printing forme, this further stop pressing against a side of this printing forme, which side is spaced apart in parallel from the side which is to be oriented.
  5. Method according to Claim 4, characterized in that the further stop presses with a force which is generated by a spring element against the side of this printing forme, which side is spaced apart in parallel from the side which is to be oriented.
  6. Method according to Claim 1, characterized in that the markings are formed in conjunction with the imaging of the working face of the printing forme.
  7. Method according to Claim 1, characterized in that that edge of the printing forme which is guided on the stop is cut after imaging of the said printing forme.
  8. Method according to Claim 1, characterized in that at least one leg is bent away on the printing forme at a bending angle which lies between 45° and 135°.
  9. Method according to Claim 1, characterized in that at least one leg is bent away on the printing forme at a bending angle which lies at 45° ± 10°.
  10. Method according to Claim 1, characterized in that at least one leg is bent away on the printing forme at a bending angle which lies at 90° ± 10°.
EP20050747786 2004-05-14 2005-04-05 Method for producing a printing plate and for feeding the same to an impression cylinder of a printing press Active EP1753622B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE102004024427 2004-05-14
DE200410024442 DE102004024442B4 (en) 2004-05-14 2004-05-14 Mounting printing plates to the printing cylinder of a printing press, has side limits to guide and align the plate edges and additional sliding side limit guides moving axially on the cylinder line against a spring tension
US57149404P true 2004-05-17 2004-05-17
US57149304P true 2004-05-17 2004-05-17
DE102004032550 2004-07-06
DE102004040693 2004-08-20
PCT/EP2005/051511 WO2005110755A1 (en) 2004-05-14 2005-04-05 Method for feeding a plate to an impression cylinder of a printing press, method for producing said plate and device for laterally aligning and guiding the tympan sheet of a cylinder that is to be fed to a printing press cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07101297A EP1777072B1 (en) 2004-05-14 2005-04-05 Process for producing a printing form

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP07101297A Division EP1777072B1 (en) 2004-05-14 2005-04-05 Process for producing a printing form
EP07101297.5 Division-Into 2007-01-29

Publications (2)

Publication Number Publication Date
EP1753622A1 EP1753622A1 (en) 2007-02-21
EP1753622B1 true EP1753622B1 (en) 2011-09-28

Family

ID=34968825

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20050747786 Active EP1753622B1 (en) 2004-05-14 2005-04-05 Method for producing a printing plate and for feeding the same to an impression cylinder of a printing press
EP07101297A Active EP1777072B1 (en) 2004-05-14 2005-04-05 Process for producing a printing form

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07101297A Active EP1777072B1 (en) 2004-05-14 2005-04-05 Process for producing a printing form

Country Status (4)

Country Link
US (1) US7647868B2 (en)
EP (2) EP1753622B1 (en)
AT (2) AT526162T (en)
WO (1) WO2005110755A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8176845B2 (en) * 2006-09-01 2012-05-15 Koenig & Bauer Aktiengesellschaft Form cylinder of a printing press comprising a plurality of sections in series on its circumferential surface in its axial direction, and printing couple comprising such form cylinder
DE102006061295A1 (en) * 2006-09-01 2008-03-20 Koenig & Bauer Aktiengesellschaft Method for register-mounting a flexible printing plate on a forme cylinder of a rotary printing machine
DE102006059772A1 (en) * 2006-12-15 2008-06-19 Man Roland Druckmaschinen Ag Apparatus for carrying out a printing plate change on a forme cylinder of a printing machine
DE102007000639B3 (en) * 2007-03-02 2008-08-07 Koenig & Bauer Aktiengesellschaft Form cylinder e.g. double-size form cylinder, for use in printing mechanism of rotary printing machine, has printing plate arranged in sections, and control device actuating control valves in non-contact manner
DE102007014323B3 (en) * 2007-03-26 2008-03-06 Koenig & Bauer Aktiengesellschaft System consists of form cylinder and feeding for printing plate provided on form cylinder, has form cylinder with compressed air supply for all retaining devices, arranged on form cylinder, at its front side
DE102007033589B3 (en) * 2007-07-19 2008-08-21 Koenig & Bauer Aktiengesellschaft Arrangement for laterally aligning elevator(s) for transporting print machine cylinder has register support supported by bearings carrying cylinder; bearing is linear bearing enabling translational movement of cylinder
EP2120098B1 (en) * 2008-05-15 2014-09-24 E. I. du Pont de Nemours and Company Apparatus and process for positioning a cylindrically-shaped printing element
US8800446B2 (en) * 2008-05-15 2014-08-12 E. I. Du Pont De Nemours And Company Apparatus and process for positioning a cylindrically-shaped printing element
US8322283B2 (en) * 2009-01-14 2012-12-04 Koenig & Bauer Aktiengesellschaft Method for providing printing formes at installation positions on one of a plurality of forme cylinders disposed in a printing press
FR2986180B1 (en) * 2012-01-27 2014-12-19 Goss Internat France Device for loading printing plates on a plate holder cylinder of a rotary offset press
CN103802450B (en) * 2014-01-27 2016-04-20 虎彩印艺股份有限公司 Register lock-up in a kind of printing equipment and localization method thereof
EP3636437A1 (en) * 2018-10-12 2020-04-15 Lehner GmbH Method for attaching a printing plate on a cylinder, device for applying a printing plate on a cylinder, method for producing a printing plate, printing plate for use in a flexographic printing method and device for trimming the edges of a printing plate

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US2670326A (en) * 1950-09-20 1954-02-23 Electrographic Corp Producing curved electrotypes
JPH05503A (en) * 1991-06-24 1993-01-08 Sony Corp Plate loading device
FR2718675B1 (en) 1994-04-18 1996-07-12 Heidelberg Harris Sa Device for exchanging pictures of rotary printing machines.
US5661566A (en) * 1995-03-13 1997-08-26 Gerber Systems Corporation Method for making a plurality of printing plates
DE19539453A1 (en) * 1995-10-24 1997-04-30 Heinz Metje Matching system for aligning printing plates for offset printing machine
DE19620997C2 (en) * 1996-05-24 1998-03-26 Koenig & Bauer Albert Ag Method and device for axially positioning a printing plate
JP3062167B2 (en) * 1998-11-20 2000-07-10 株式会社東京機械製作所 Plate mounting position indicating device
DE19919263B4 (en) * 1999-04-09 2005-09-29 Ronald Metje Processing device for trimming printing plates for printing machines
EP1297954B1 (en) * 2001-09-26 2008-11-12 FUJIFILM Corporation Sheet member positioning device and image recording device
DE10158158A1 (en) * 2001-11-28 2003-06-18 Koenig & Bauer Ag Device for winding an elevator
US6865987B2 (en) * 2002-03-27 2005-03-15 Fuji Photo Film Co., Ltd. Sheet-shaped material positioning device and printing plate precursor exposure device
DE10238123A1 (en) * 2002-08-21 2004-03-11 Koenig & Bauer Ag Devices for mounting a printing form on a form cylinder of a printing press
DE10314344B3 (en) * 2003-03-28 2004-08-26 Koenig & Bauer Ag Storage device for elevator supplying print cylinder of printing press stores elevators in at least two offset vertical planes

Also Published As

Publication number Publication date
EP1777072A2 (en) 2007-04-25
AT527114T (en) 2011-10-15
EP1777072B1 (en) 2011-10-05
US20080028966A1 (en) 2008-02-07
AT526162T (en) 2011-10-15
US7647868B2 (en) 2010-01-19
EP1777072A3 (en) 2011-04-13
EP1753622A1 (en) 2007-02-21
WO2005110755A1 (en) 2005-11-24
WO2005110755B1 (en) 2006-02-23

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