EP1803565A1 - Procédé pour changer un groupe d'impression sur une presse rotative tournante - Google Patents

Procédé pour changer un groupe d'impression sur une presse rotative tournante Download PDF

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Publication number
EP1803565A1
EP1803565A1 EP05028488A EP05028488A EP1803565A1 EP 1803565 A1 EP1803565 A1 EP 1803565A1 EP 05028488 A EP05028488 A EP 05028488A EP 05028488 A EP05028488 A EP 05028488A EP 1803565 A1 EP1803565 A1 EP 1803565A1
Authority
EP
European Patent Office
Prior art keywords
printing
register
printing unit
printed
unit
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.)
Withdrawn
Application number
EP05028488A
Other languages
German (de)
English (en)
Inventor
Gordon Whitelaw
Wolfgang Brusdeilins
Andreas Kückelmann
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.)
Fischer and Krecke GmbH and Co KG
Original Assignee
Fischer and Krecke GmbH and Co KG
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 Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Priority to EP05028488A priority Critical patent/EP1803565A1/fr
Priority to US11/613,162 priority patent/US7513197B2/en
Publication of EP1803565A1 publication Critical patent/EP1803565A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/10—Relief printing
    • B41P2200/12—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/13—Machines with double or multiple printing units for "flying" printing plates exchange

Definitions

  • the invention relates to a method for changing printing units on a running rotary printing press, wherein at least a first printing unit is turned off by the printing material and a second printing unit is employed for a register-accurate printing of the same printed image to the printing material.
  • the object of the invention is to provide a method which allows for a printing unit change while the printing press a lower material consumption.
  • the registration mark consists of an elastic material which, after it has been compressed by the central cylinder, can spring back elastically and thus can be used again for printing register marks in subsequent printing unit changes.
  • a compliant or elastic registration mark also facilitates inking of the printing cylinder with an anilox roller having a uniform diameter along its entire length and unwinding both on the regular printing form and on the registration form to transfer the ink to the printing cylinder.
  • the anilox roller in the edge region of the printing material web, where the registration marks are has a smaller diameter, so that the slightly raised register printing form is inked but not compressed.
  • Figure 1 shows schematically a flexographic printing machine with a central cylinder 10, on the periphery of a plurality of printing units 12, 14, 16, 18 are arranged.
  • Each printing unit has, as usual in flexographic printing machines, a printing cylinder 20 and an anilox roller, not shown, and an ink supply system for coloring the anilox roller.
  • the printing units 16 and 18 form a first set, with which a two-color image can be printed on a printing material web 22 running over the central cylinder 10. Accordingly, the printing cylinder 20 carries each printing unit 16, 18 on its surface a printing plate for a color separation of the desired Image, and the registers of the printing cylinder 20 are set so that the color separations are printed in register over each other.
  • the printing units 12 and 14 form a second set of printing units which serve to print the same image.
  • the printing cylinder 20 of the printing unit 12 has the same printing form as the printing cylinder of the printing unit 16, and the printing plate in the printing unit 14 corresponds to that in the printing unit 18.
  • the printing units 12, 14 of the second set are not active, and their impression cylinder 20th are turned off by the peripheral surface of the central cylinder 10.
  • the printing units 12, 14 of the second set is to be changed from the printing units 16, 18 of the first set active in FIG. 1, not only the printing cylinders 20 of the second set must be driven and turned on the central cylinder, but their registers, in particular the longitudinal register, must be tuned to the register of the printing units 16, 18.
  • This process takes a certain amount of time, so that 100 m or more of the substrate web 22 would be printed with a useless print image (waste) in a high-speed printing machine whose printing speed may be, for example, 600 to 1000 m / min before the register properly is set.
  • the adjustment of the register takes place before the printing unit change, so that the generation of waste is largely avoided.
  • the printing cylinders of the printing units 16, 18 of the first set can be cleaned, so that later, when the printing cylinders of the printing units 12 and 14 of the second set are dirty, back to the printing units 16, 18 of the first set can be switched back. Also before the renewed printing unit change takes place then an adjustment of the register of the printing units 16 and 18 analogous to the illustrated in Figure 2 procedure.
  • FIG. 4 shows a detail of the printing material web 22 which was printed with the aid of the printing units 16, 18 of the first set with a printed image 32.
  • register marks 36 were printed with the aid of these printing units in an edge zone 34 of the printing material web (preferably at least one registration mark per printing unit of the first set).
  • the registration marks 36 are detected by the camera 24 and evaluated electronically in the control unit 26. The color point forming the registration mark is measured, and the exact coordinates of its center of gravity are calculated. These coordinates then serve as a reference for the setting of the register, in particular the longitudinal register of the printing units 12, 14 of the second set.
  • the control unit 26 Based on this reference value and the known position of the registration printing forms 30 with respect to the respective print image, the control unit 26 then calculates a desired position 38 for the registration mark 40, which is printed in the state shown in FIG. 2 with the registration form 30 of the printing unit 12 or 14.
  • the drive for the respective printing cylinder is then controlled so that the longitudinal position of the registration mark 40 moves on the printing substrate until it coincides with the desired position 38. Thereafter, the actual printing unit change takes place in accordance with the transition from the state shown in Figure 2 to the state shown in Figure 3.
  • FIG. 5 the printing cylinder 20 of the printing unit 12 is shown enlarged. On its circumference a printing plate 42 is indicated, which serves to print the actual printed image.
  • Figures 5 and 6 illustrate the position of the printing cylinder 20 during the registration of the register. As can be seen in particular in FIG. 5, the printing form 42 does not yet come into contact with the printing material web 22 in this position. Only the registration form 30 can touch the substrate web 22 and print one or more registration marks, as shown in FIG.
  • the registration form 30 is made of an elastically compressible material.
  • the Passerdruckform 30 each time they the in FIG 7, the printing material web facing position achieved, are compressed by the central cylinder so far that it recedes into the surface of the printing plate 42. Thereafter, each spring back to its original position, so that they can be used to print the registration marks 40 at the next printing unit change again.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP05028488A 2005-12-27 2005-12-27 Procédé pour changer un groupe d'impression sur une presse rotative tournante Withdrawn EP1803565A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05028488A EP1803565A1 (fr) 2005-12-27 2005-12-27 Procédé pour changer un groupe d'impression sur une presse rotative tournante
US11/613,162 US7513197B2 (en) 2005-12-27 2006-12-19 Method of exchanging a printing unit at a running rotary printing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05028488A EP1803565A1 (fr) 2005-12-27 2005-12-27 Procédé pour changer un groupe d'impression sur une presse rotative tournante

Publications (1)

Publication Number Publication Date
EP1803565A1 true EP1803565A1 (fr) 2007-07-04

Family

ID=36589277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05028488A Withdrawn EP1803565A1 (fr) 2005-12-27 2005-12-27 Procédé pour changer un groupe d'impression sur une presse rotative tournante

Country Status (2)

Country Link
US (1) US7513197B2 (fr)
EP (1) EP1803565A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002675A1 (de) * 2012-02-10 2013-08-14 Robert Bosch Gmbh Verfahren zur Registerkorrektur bei einer Bahnbearbeitungsmaschine mit einem Verzögerungsabschnitt
DE102012017575A1 (de) * 2012-09-06 2014-03-06 Robert Bosch Gmbh Verfahren zum Regeln eines Bearbeitungsregisters in einer Bahnbearbeitungsmaschine mit variabler Klemmung
EP3251849A1 (fr) * 2016-05-31 2017-12-06 Windmöller & Hölscher KG Machine d'impression flexographique
WO2018149653A1 (fr) * 2017-02-15 2018-08-23 Kba-Metalprint Gmbh Procédé de fonctionnement d'un dispositif d'impression de corps creux
EP3772467A1 (fr) 2019-08-09 2021-02-10 G.D. S.p.A Procede et appareil pour appliquer des etiquettes sur des produits de tabac

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8292863B2 (en) 2009-10-21 2012-10-23 Donoho Christopher D Disposable diaper with pouches
JP2011110885A (ja) * 2009-11-30 2011-06-09 Komori Corp 印刷機の見当合わせ装置及び印刷機の見当合わせ方法
CN103818110B (zh) * 2014-02-25 2016-07-06 元亨利云印刷科技（上海）有限公司 一种带有多工位的不停机印刷加工系统及加工工艺
MX2020010453A (es) * 2018-04-05 2020-10-20 Essity Hygiene & Health Ab Dispositivo de impresion flexografica y un metodo para imprimir simultaneamente al menos dos tramas de material teniendo diferentes grosores.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146291A (en) * 1983-09-14 1985-04-17 Grace W R & Co Rotary printing press
US5570633A (en) * 1993-06-01 1996-11-05 Comco Machinery, Inc. Automated printing press with reinsertion registration control
DE19527199A1 (de) * 1995-07-26 1997-01-30 Baumueller Nuernberg Gmbh Flexodruckmaschine und deren Verwendung
DE19832892A1 (de) * 1998-07-22 2000-01-27 Lemo Maschb Gmbh System zur Vorpositionierung und registergerechten Voreinstellung und/oder Korrektureinstellung von Werkstücken, insbesondere Druckformatzylindern von Druckmaschinen
US20020134267A1 (en) * 2001-03-22 2002-09-26 Wilfried Kolbe Printing method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809609A (en) * 1984-09-19 1989-03-07 Sakata Shokai, Ltd. Method of directly mounting a printing plate on plate cylinder and the plate cylinder and register pins used in said method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146291A (en) * 1983-09-14 1985-04-17 Grace W R & Co Rotary printing press
US5570633A (en) * 1993-06-01 1996-11-05 Comco Machinery, Inc. Automated printing press with reinsertion registration control
DE19527199A1 (de) * 1995-07-26 1997-01-30 Baumueller Nuernberg Gmbh Flexodruckmaschine und deren Verwendung
DE19832892A1 (de) * 1998-07-22 2000-01-27 Lemo Maschb Gmbh System zur Vorpositionierung und registergerechten Voreinstellung und/oder Korrektureinstellung von Werkstücken, insbesondere Druckformatzylindern von Druckmaschinen
US20020134267A1 (en) * 2001-03-22 2002-09-26 Wilfried Kolbe Printing method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012002675A1 (de) * 2012-02-10 2013-08-14 Robert Bosch Gmbh Verfahren zur Registerkorrektur bei einer Bahnbearbeitungsmaschine mit einem Verzögerungsabschnitt
US9216871B2 (en) 2012-02-10 2015-12-22 Robert Bosch Gmbh Method for register correction in a web processing machine having a delay section
DE102012017575A1 (de) * 2012-09-06 2014-03-06 Robert Bosch Gmbh Verfahren zum Regeln eines Bearbeitungsregisters in einer Bahnbearbeitungsmaschine mit variabler Klemmung
EP3251849A1 (fr) * 2016-05-31 2017-12-06 Windmöller & Hölscher KG Machine d'impression flexographique
WO2017207670A1 (fr) * 2016-05-31 2017-12-07 Windmöller & Hölscher Kg Machine d'impression flexographique
WO2018149653A1 (fr) * 2017-02-15 2018-08-23 Kba-Metalprint Gmbh Procédé de fonctionnement d'un dispositif d'impression de corps creux
JP2020503196A (ja) * 2017-02-15 2020-01-30 ケーニッヒ ウント バウアー メタルプリント ゲー・エム・ベー・ハーＫｏｅｎｉｇ ＆ Ｂａｕｅｒ ＭｅｔａｌＰｒｉｎｔ ＧｍｂＨ 中空体にプリントを施す装置を運転する方法
US10773514B2 (en) 2017-02-15 2020-09-15 Koenig & Bauer Metalprint Gmbh Method for operating a device for printing hollow bodies
EP3772467A1 (fr) 2019-08-09 2021-02-10 G.D. S.p.A Procede et appareil pour appliquer des etiquettes sur des produits de tabac
EP3772467B1 (fr) * 2019-08-09 2023-10-18 G.D S.p.A. Procede et appareil pour appliquer des etiquettes sur des produits de tabac

Also Published As

Publication number Publication date
US20070144391A1 (en) 2007-06-28
US7513197B2 (en) 2009-04-07

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