EP3636437A1 - Procédé de montage d'une plaque d'impression à un cylindre d'impression, dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression, plaque d'impression destinée à l'utilisation dans un procédé de flexographie et dispositif de coupage des bords d'une plaque d'impression - Google Patents

Procédé de montage d'une plaque d'impression à un cylindre d'impression, dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression, plaque d'impression destinée à l'utilisation dans un procédé de flexographie et dispositif de coupage des bords d'une plaque d'impression Download PDF

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Publication number
EP3636437A1
EP3636437A1 EP18200210.5A EP18200210A EP3636437A1 EP 3636437 A1 EP3636437 A1 EP 3636437A1 EP 18200210 A EP18200210 A EP 18200210A EP 3636437 A1 EP3636437 A1 EP 3636437A1
Authority
EP
European Patent Office
Prior art keywords
printing plate
printing
carrier film
printed image
edge
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
Application number
EP18200210.5A
Other languages
German (de)
English (en)
Other versions
EP3636437C0 (fr
EP3636437B1 (fr
Inventor
Wilfried Möhring
Rainer Ochs
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.)
Lehner GmbH
Original Assignee
Lehner GmbH
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
Application filed by Lehner GmbH filed Critical Lehner GmbH
Priority to EP18200210.5A priority Critical patent/EP3636437B1/fr
Publication of EP3636437A1 publication Critical patent/EP3636437A1/fr
Application granted granted Critical
Publication of EP3636437C0 publication Critical patent/EP3636437C0/fr
Publication of EP3636437B1 publication Critical patent/EP3636437B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/007—Control means comprising cameras, vision or image processing systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means
    • B41F27/1275—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means by means of adhesives, staples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1281—Devices for attaching printing elements or formes to supports for attaching flexible printing formes details of the printing plate ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/30—Detecting the correct position of printing plates on the cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/40—Adjusting means for printing plates on the cylinder
    • B41P2227/41—Adjusting means for printing plates on the cylinder axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/40—Adjusting means for printing plates on the cylinder
    • B41P2227/42—Adjusting means for printing plates on the cylinder circumferentially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/40—Adjusting means for printing plates on the cylinder
    • B41P2227/43—Adjusting means for printing plates on the cylinder diagonally

Definitions

  • the invention relates to a method for mounting a printing plate on a printing cylinder, a device for removing a printing plate on a printing cylinder, a method for producing a printing plate, a printing plate for use in a flexographic printing process and a device for trimming a printing plate at the edge.
  • a printing plate blank is first provided for the production of a printing plate which is intended in particular for use in a flexographic printing process and which is produced from a flexible carrier film and a printed image layer applied to the carrier film is usually considerably larger than the printing plate to be produced.
  • a structuring process which can be carried out, for example, with a laser light source, structuring takes place for those areas which are to serve either as a print image or as areas between the print image in subsequent work steps.
  • the Printing plate blank is provided with an opaque coating and the structuring takes place in such a way that this coating is removed in some areas.
  • the printing plate blank is exposed, in which the areas no longer covered by the coating are cured, while the remaining areas of the printing plate blank are removed in a subsequent step, in particular in a wet chemical process.
  • a subsequent step it is currently customary to cut the printing plates manually from the printing plate blank with the aid of a knife.
  • raised marks such as registration marks or edge-side scroll bars, remain on the printing plates in the same way as the printed image.
  • An example is from the EP 2 535 188 A1 an assembly device for applying a printing form to a printing form support with a receptacle for the printing form support and with a pressing device for transmitting a compressive force to the printing form support that can be inserted into the receptacle is known, the printing form to be applied to the printing form support being pressed onto a pressing area by a pressing device onto the printing form support , which is designed to carry out a pressing movement oriented transversely to the pressing axis and wherein correction means are provided which are applied to the printing form carrier for introducing a correction force, the force direction of which deviates from a force direction of the pressing force and the printing form to be applied thereon is designed to be able to compensate for an offset error of the printing form along the pressing axis and / or a runout error of the printing form support.
  • the object of the invention is to provide a method for applying a printing plate to a printing cylinder, a device for applying a printing plate to a printing cylinder, a method for producing a printing plate, a printing plate for use in a flexographic printing method and a device for trimming a printing plate on the edge , with which a precise positioning of the printing plate on a printing form support or printing cylinder can also be ensured if the printed image at least almost completely covers the surface of the printing plate.
  • a method for applying a printing plate to a printing cylinder with the following steps: providing a printing cylinder to a printing cylinder receptacle, which is rotatably mounted about a printing cylinder axis on a machine frame, placing a front edge of the printing plate on the printing cylinder and Initiating a rotary movement on the printing cylinder in order to apply the printing plate to an outer surface of the printing cylinder during a rotating movement of the printing cylinder about the printing cylinder axis, wherein the printing plate is aligned during the application process with a positioning device which is designed for a positionally accurate provision of the printing plate relative to the printing cylinder receptacle is and the one detection device for detecting a positioning geometry to be aligned transversely to the printing cylinder axis of the printing plate and adjusting means for a lateral position adjustment of a printing plate section, characterized in that the detection device detects a cutting edge of the printing plate which is oriented transverse
  • the printing cylinder is at least partially provided with a self-adhesive layer, for example in the manner of a double-sided adhesive tape, and that the printing plate, which is made of a rubber-elastic material, is wound onto the printing cylinder in a winding process.
  • the printing plate with its precisely cut cutting edge relative to the printing image is first aligned with the printing cylinder axis with the aid of a stop rail oriented transversely to the printing cylinder axis in such a way that the printing image is aligned with the printing cylinder with a minimal angular error relative to the printing cylinder.
  • a front edge of the printing plate which is at least essentially parallel to the printing cylinder axis, is brought into contact with the printing cylinder and thereby adheres to the self-adhesive layer of the printing cylinder. Then the rotary movement of the printing cylinder takes place, whereby the entire printing plate is wound onto the printing cylinder.
  • the cutting edge of the printing plate is continuously scanned, in particular in an area immediately before the printing plate hits the surface of the printing cylinder, with the aid of the detection device, which can be designed for contactless or contact-based detection of the cutting edge of the printing plate is whether the cut edge the pressure plate is rectilinear or a straightness deviation of the cutting edge may occur due to reaction forces during the mounting process.
  • the adjustment means which is designed for a lateral position adjustment of that area of the printing plate which is not yet fixed on the printing cylinder, can be used to correct the course of the cutting edge, so that that the cutting edge of the printing plate is aligned exactly straight on the printing cylinder as soon as the printing plate has been completely pulled onto the printing cylinder. It is preferably provided that the cut edge of the printing plate after being pulled onto the printing cylinder is arranged completely in a plane which is oriented transversely to the printing cylinder.
  • the cutting edge of the printing plate is trimmed with an accuracy before the printing plate is applied to the printing cylinder, depending on a positioning geometry formed on the printing plate, such that the cutting edge is in a tolerance interval of less than 50 micrometers, in particular less than 30 microns, compared to the printed image.
  • the device comprises a machine frame, on which a printing cylinder receptacle is rotatably mounted about a printing cylinder axis, and a positioning device, which is designed for a positionally accurate provision of a printing plate relative to the printing cylinder receptacle, the positioning device comprises at least one detection device for detecting a positioning geometry of a printing plate which is to be aligned transversely to the printing cylinder axis, and setting means for lateral position setting of a printing plate section, and the detection device is designed for scanning the cut edge of the printing plate, in particular in a contactless or contact-related manner.
  • the object of the invention is achieved according to a further aspect of the invention for a method for producing a printing plate, comprising the following steps: providing a printing plate blank, which comprises a flexible carrier film and a printed image layer applied to the carrier film, to a structuring device; Structuring a print image into the print image layer with the structuring device; Creation of a positioning geometry on at least one edge region of the printed image, the positioning geometry being arranged on the carrier film and / or on the carrier film, in particular below a printing area formed by the printed image, and wherein the positioning geometry is arranged within a predetermined position tolerance interval with respect to at least one position reference determined by the printed image .
  • the printing plate blank usually has a rectangular format and can be designed, for example, to carry out a photochemical development process.
  • a printed image layer is applied to the flexible carrier film, which is exposed in a first step from the carrier film over a large area with a limited depth effect in order to harden a floor layer directly adjacent to the carrier film.
  • the printed image is then structured using the structuring device, exposes the upper side of the printing plate blank facing away from the carrier film.
  • the structuring device locally exposes those areas of the printing plate blank which will later serve as a printed image, while other areas of the printing plate blank are not exposed.
  • the structuring device removes a light-impermeable cover layer on the printing plate blank in regions and then an exposure of the entire printing plate blank takes place, in which those areas that are still covered by the cover layer are not exposed. This is followed, for example, by a direct washing off of the unexposed areas of the printed image layer, so that only the exposed areas remain on the floor layer, which then form the raised image protruding from the floor layer.
  • the respective printed image is separated from the printing plate blank together with an edge area surrounding the printed image.
  • the structuring device comprises a cutting device which, depending on the position of the printed image on the printing plate, enables a positionally accurate cut for the printing plate to be removed from the printing plate blank.
  • the desired positioning geometry is formed on an edge region of the printing plate by the cutting edge which is formed by the cutting device when the printing plate is cut out of the printing plate blank.
  • the structuring device does not comprise a cutting device, which is the case with the majority of the structuring devices, the cutting process of the printing plate from the printing plate blank is carried out manually by an operator, who uses a knife and, if appropriate, a ruler, to separate the printing plate from the printing plate blank.
  • the cutting edges generated on the printing plate from the printing plate blank during the cutting process of the printing plate lie within a predetermined position tolerance interval with respect to at least one position reference determined by the printed image. Accordingly, none of these cutting edges can be used directly for positioning the printing plate on the printing cylinder.
  • the printing plate is provided with a positioning geometry which lies within a predetermined position tolerance interval with respect to at least one position reference determined by the printed image and which can be used for a subsequent trimming of the printing plate in order then to be able to use the cut edge generated for positioning the printing plate.
  • the positioning geometry is formed by applying and / or introducing a scanning structure during the structuring of the printed image or after structuring the printed image on and / or in the carrier film, the scanning structure having the same precision how the printed image is created and thus has the same tolerance properties as the printed image.
  • This scanning structure can be, in particular, a contactless or contactable, in particular optically or magnetically, scannable marking, which is preferably generated in the same way as the printed image or is at least applied to the printing plate with a marking device assigned directly to the structuring device.
  • a scanning structure are markings which are applied to the carrier film as an inkjet printing marking or as a laser marking or as a groove or are introduced into the carrier film.
  • this scanning structure can be used to attach the cut edge in such a way that compliance with a position tolerance interval of less than 0.07 mm, preferably less than 0.05 mm, in particular less than 0.03 mm, between the serving as the positioning geometry outer edge of the printing plate and the printed image.
  • the method provides that the positioning geometry is formed by trimming the printing plate at the edge, which is carried out during the structuring of the printed image or after the structuring of the printed image, a cutting edge of the printing plate formed during the trimming process being within a position tolerance interval of less than 0.07 mm , preferably less than 0.05mm, in particular less than 0.03mm, is arranged.
  • the edge-side trimming of the printing plate is carried out independently of the structuring of the printed image and that the positioning geometry formed on the carrier film and / or on the carrier film, in particular below a printing area formed by the printed image, is carried out for carrying out a trimming process is scanned, in particular is cut off.
  • the object of the invention is achieved according to a second aspect of the invention with a printing plate for use in a flexographic printing process.
  • the printing plate comprises a flexible carrier film made of an elastic plastic material, which has a smooth underside and a smooth upper side, wherein at least one printed image is applied to the upper side, which protrudes upwards from the upper side, wherein a surface of the printed image defines a printing surface, the printed image forms at least one position reference and a positioning geometry is formed on at least one edge region of the printing plate on the carrier film and / or on the carrier film, in particular below the printing surface, which is arranged relative to the at least one position reference within a predetermined position tolerance interval.
  • the printed image comprises one or more geometries, in particular close to the edge of the printing plate, for example corners or small radii, which can serve in a favorable manner as a position reference for determining the position of the positioning geometry and thus for checking compliance with the predefined position tolerance interval.
  • These geometries can in particular be machine-readable marks (2D barcodes, for example data matrix codes, QR codes).
  • the position tolerance interval is less than 0.07 mm, preferably less than 0.05 mm, in particular less than 0.03 mm.
  • the positioning geometry as a straight outer edge of the printing plate or as a straight line in the flexible carrier film or as a straight line on the flexible carrier film or as a linear arrangement of outer edge sections of the printing plate or as a linear arrangement of markings in the carrier film or is formed on the carrier film.
  • the positioning geometry is formed by a multiplicity of projections arranged on the edge side of the printing plate or a multiplicity of markings on or in the carrier film, which are arranged on a common straight line.
  • the device comprises a cutting device from the group: knife cutters, slitter cutters, laser cutters, water jet cutters, hot wire cutters and a scanning device which is designed to detect a print image and / or a positioning geometry on at least one edge region of a printed image applied to a printing plate, the positioning geometry being indicated is arranged on the carrier film and / or on the carrier film, and with a receiving device, in particular a support table, for receiving, scanning and trimming the printing plate, between the cutting device and the receiving device, an actuator is arranged which is designed to provide a relative movement between the cutting device and the receiving device and which is connected to the scanning device in order to form a cutting edge of the printing plate formed during the trimming process, which within a position tolerance interval of less than 0.07 mm, preferably less than 0.05mm, in particular less than 0.03mm, is arranged.
  • the illustrated printing plate blank 1 has a rectangular shape and comprises a carrier film, not shown, which is made of a flexible material, and a printed image layer applied to the flexible carrier film.
  • the print image layer is formed by a photosensitive polymer and is initially protected on a top side of the printing plate blank 1 from light influences by a barrier layer (not shown).
  • the printing plate blank 1 is exposed from the underside through the backing film over the entire surface with a defined penetration depth for the light radiation in order to harden a backing layer directly adjacent to the backing film, which is also referred to as floor layer 12.
  • a structuring of the printing plate blank 1 can then be carried out in a structuring device (not shown in more detail), in which case the barrier layer is selectively removed.
  • the printed image layer is exposed in some areas and can be cured in the exposed areas in a subsequent exposure process, so that it is carried out in these curing areas when a subsequent washing process is carried out is not washed off the floor layer.
  • the printed image results that projects raised from the floor layer 12, as is shown in the illustrations of FIG Figures 3 to 5 is shown schematically.
  • individual printing plates 2 are removed from the printing plate blank 1.
  • this removal is carried out manually by an operator, possibly using a ruler.
  • the separated printing plate 2 has a peripheral edge 3, the position and contour of which is too imprecise in relation to the printed image 4 in order to be able to use the edge 3 to be able to apply the printing plate 2 precisely to a printing cylinder in a subsequent work step.
  • the printing plate 2 according to FIG Figure 2 provided to form a positioning geometry 5 at a distance from the printed image 4, which is used in a subsequent processing step to be able to trim the printing plate 2 at the edge, so that it has a cutting edge 6, at least in sections, precisely aligned with the printed image 4, as shown in FIG Figure 2 is indicated by the dashed geometry.
  • an elevation 8 aligned parallel to an outer edge 7 of the printed image 4, which is created during the structuring process for the printed image 4 and has the same properties as the printed image 4. This ensures that the elevation 8 has the same positioning accuracy as the other partial areas of the printed image 4.
  • Such an elevation 8 is also referred to as a scroll bar.
  • it is provided that it is located below a plane 9, which is determined by an upper side 10 of the printed image 4, so that even in the event that the printing plate 2 is cut before the edge is cut a (test) printing process is used, the elevation 8 is not printed.
  • the marking 15 applied to the surface 11 of the floor layer 12, which is in the Figure 4 is shown exaggerated for reasons of visibility and is not part of the printed image layer 14.
  • the marking 15 can be applied to the surface 11 of the floor layer 12 during or after the structuring process has been carried out, for example with the aid of an ink jet print head assigned to the structuring device or with the aid of a laser belonging to the structuring device.
  • the positioning geometry 5 is a marking made in the floor layer 12 16, as can be created, for example, by using a suitably focused laser source during the structuring process or after the structuring process.
  • the positioning geometry 5 can either be used for a direct positioning of the printing plate 2 on a printing cylinder by performing a contact-based or contactless scanning of the positioning geometry during an assembly process for the printing plate 2.
  • the pressure plate 2 with one in the Figure 6 only schematically shown trimming device 20 to trim the edge in order to Figure 2 to create the indicated cutting edge 6 by referencing the positioning geometry 5.
  • the trimming device 20 includes, for purely exemplary purposes, a support table 21 which is designed for a flat support of the pressure plate 2.
  • the support table 21 is equipped with a vacuum device (not shown in more detail), with the aid of which the pressure plate 2 can be reliably fixed on the support table 21 during the execution of a trimming process.
  • the trimming device 20 comprises a combination of a camera and a laser.
  • the camera and the laser are arranged in a common working head 22 which is coupled to the support table 21 by means of a guide column 23. It is provided here that the guide column 23 with the working head 22 attached to it can be moved linearly, in particular in two mutually perpendicular spatial directions parallel to a surface 24 of the support table 21.
  • a camera lens 25 and a laser lens 26 are arranged on the working head 22, the camera lens 25 for optical scanning of a lens in the Figure 6 Not shown, provided on the support table 21 pressure plate is provided.
  • the printed image captured by the camera arranged in the working head 22 is used to carry out a movement of the working head 22 relative to the support table 21, so that the edge of the printing plate 2 can be trimmed with the aid of the laser likewise recorded in the working head 22.
  • the camera uses the positioning geometry 5 of the printing plate 2 to carry out the trimming process on the printing plate 2, thereby ensuring the desired alignment of the cut edge 6 with respect to the printed image 4.
  • the requirements for the components camera and laser, which are contained in the working head 22, as well as for the guide column 23 and the associated drive devices for the guide column 23, which are not shown in more detail, must be selected such that the cutting edge which arises during the trimming of the printing plate 2 6 is located within a position tolerance interval of less than 0.07 mm, preferably less than 0.05 mm, in particular less than 0.03 mm, with a determination the positional tolerance for the cutting edge 6 is based on the printed image 4.
  • one in the Figure 7 schematically shown printing plate 32 is provided, in which the cutting edge 6 is within the aforementioned position tolerance interval with respect to the printed image 4 and thus forms a positioning geometry for the mounting process of the printing plate 32.
  • device 40 shown schematically, for applying printing plate 32 to a pressure cylinder 41.
  • device 40 comprises a machine frame 42, only shown schematically, on which a pressure cylinder receptacle 43 is rotatably mounted about a pressure cylinder axis 44.
  • the printing cylinder receptacle 43 is provided for an end coupling of the printing cylinder 41 and includes, by way of example only, a drive device 45 designed as a geared motor.
  • a positioning device 46 is also assigned to the machine frame 42, which is used to provide the printing plate 32 with positional accuracy relative to the printing cylinder receptacle 43 and the printing cylinder received therein 41 is formed.
  • the positioning device 46 comprises two detection devices 47, each of which is designed to detect the cutting edge 6 of the printing plate 32 which is to be aligned transversely to the printing cylinder axis 44 and serves as a positioning geometry.
  • the positioning device 46 comprises, purely by way of example, formed from two guide rollers 48, 49 aligned parallel to one another, between which the pressure plate 32 can be received for introducing lateral forces aligned parallel to the pressure cylinder axis 44, and a linear actuator 50 Setting means 51, which is used for a lateral position adjustment of the printing plate in relation to the printing cylinder 41.
  • the pressure plate 32 can be pre-positioned before being made available to the device 40 with the aid of a stop bar, not shown, which is oriented transversely to the pressure cylinder axis 44, and with this orientation is first inserted into a working gap 52 between the two guide rollers 48, 49 and can then be placed on the pressure cylinder 41 provided with a self-adhesive coating, not shown.
  • the two detection devices 47 each detect the cutting edge 6 of the printing plate 32, which is oriented transversely to the printing cylinder axis 44, and each provide a deviation signal to a control device 53.
  • the control device 53 is in turn electrically connected both to the drive device 45 and to the linear actuator 50 and thereby enables a coordinated linear displacement of the two guide rollers 48, 49 parallel to the pressure cylinder axis 44, as a result of which a change in the orientation of each in direct contact with the pressure cylinder 41 reaching area of the printing plate 32 and thus a correctly oriented application of the printing plate 32 to the printing cylinder 41 is made possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
EP18200210.5A 2018-10-12 2018-10-12 Procédé et dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression Active EP3636437B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18200210.5A EP3636437B1 (fr) 2018-10-12 2018-10-12 Procédé et dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18200210.5A EP3636437B1 (fr) 2018-10-12 2018-10-12 Procédé et dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression

Publications (3)

Publication Number Publication Date
EP3636437A1 true EP3636437A1 (fr) 2020-04-15
EP3636437C0 EP3636437C0 (fr) 2025-12-31
EP3636437B1 EP3636437B1 (fr) 2025-12-31

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EP18200210.5A Active EP3636437B1 (fr) 2018-10-12 2018-10-12 Procédé et dispositif d'application d'une plaque d'impression à un cylindre d'impression, procédé de fabrication d'une plaque d'impression

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4000932A1 (fr) * 2020-11-19 2022-05-25 Bobst Bielefeld GmbH Procédé et dispositif pour fixer une plaque d'impression sur un cylindre d'impression

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005110755A1 (fr) * 2004-05-14 2005-11-24 Koenig & Bauer Aktiengesellschaft Procede pour acheminer un bloc d'impression jusqu'a un cylindre porte-cliches, procede pour produire ledit bloc d'impression et dispositif pour aligner et guider lateralement un blanchet a acheminer jusqu'a un cylindre de machine a imprimer
DE102004024442A1 (de) * 2004-05-14 2005-12-08 Koenig & Bauer Ag Verfahren zur Herstellung einer Druckform
DE102007033589B3 (de) * 2007-07-19 2008-08-21 Koenig & Bauer Aktiengesellschaft Vorrichtung zum seitlichen Ausrichten mindestens eines einem Zylinder einer Druckmaschine zuzuführenden Aufzugs
EP2397327A2 (fr) * 2010-06-18 2011-12-21 Esko-Graphics Imaging GmbH Marques d'enregistrement sans impression sur une plaque d'impression
EP2535188A1 (fr) 2011-06-17 2012-12-19 Lehner GmbH Dispositif de montage, imprimante et procédé d'application d'une forme d'impression sur un support d'une forme d'impression

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DE102004024442A1 (de) * 2004-05-14 2005-12-08 Koenig & Bauer Ag Verfahren zur Herstellung einer Druckform
DE102007033589B3 (de) * 2007-07-19 2008-08-21 Koenig & Bauer Aktiengesellschaft Vorrichtung zum seitlichen Ausrichten mindestens eines einem Zylinder einer Druckmaschine zuzuführenden Aufzugs
EP2397327A2 (fr) * 2010-06-18 2011-12-21 Esko-Graphics Imaging GmbH Marques d'enregistrement sans impression sur une plaque d'impression
EP2535188A1 (fr) 2011-06-17 2012-12-19 Lehner GmbH Dispositif de montage, imprimante et procédé d'application d'une forme d'impression sur un support d'une forme d'impression

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EP4000932A1 (fr) * 2020-11-19 2022-05-25 Bobst Bielefeld GmbH Procédé et dispositif pour fixer une plaque d'impression sur un cylindre d'impression

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