EP1114721A2 - Procédé pour insertion simultanée des plaques d'impression lors du remplacement de plaques d'impression automatique ou semi-automatique dans des machines d'impression - Google Patents

Procédé pour insertion simultanée des plaques d'impression lors du remplacement de plaques d'impression automatique ou semi-automatique dans des machines d'impression Download PDF

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Publication number
EP1114721A2
EP1114721A2 EP00128336A EP00128336A EP1114721A2 EP 1114721 A2 EP1114721 A2 EP 1114721A2 EP 00128336 A EP00128336 A EP 00128336A EP 00128336 A EP00128336 A EP 00128336A EP 1114721 A2 EP1114721 A2 EP 1114721A2
Authority
EP
European Patent Office
Prior art keywords
printing
automatic
units
semi
printing units
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
EP00128336A
Other languages
German (de)
English (en)
Other versions
EP1114721A3 (fr
EP1114721B1 (fr
Inventor
Arndt Jentzsch
Stefan Singer
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
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1114721A2 publication Critical patent/EP1114721A2/fr
Publication of EP1114721A3 publication Critical patent/EP1114721A3/fr
Application granted granted Critical
Publication of EP1114721B1 publication Critical patent/EP1114721B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/04—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs
    • B41F7/06—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs for printing on sheets

Definitions

  • the invention relates to a method for the simultaneous feeding of printing plates in the automatic or semi-automatic plate change on printing machines, the Printing machine consisting of individual, one plate cylinders each for clamping flexible printing plates having printing units with the same structure, at least two of these printing units have a synchronous phase relationship with each other and the arrangement of the printing units so that in the sequence of the printing units, a turning device with a device for Format change and for changing the operating mode is arranged so that the following Printing units can be operated in reverse printing.
  • a printing press is known in which such a sheet turning device is arranged between the printing units.
  • the impression cylinders and the Transfer drums of this printing machine are at an angle to each other that is the same Constellation of the printing units to each other.
  • the sheet turning device is like this designed that this constellation is preserved when the faceplate is printed. This ensures that the channels of the plate cylinders are always in the same position, so that the plate change can be carried out simultaneously in the straight printing mode.
  • phase angle is the angle between the printing units understood, around which the same printing events, e.g. the beginning of printing, by Druckwerk Enter offset to printing unit. It should be achieved that the same printing events run simultaneously in at least two printing units.
  • This constellation becomes half-rev rotating printing cylinder and transfer cylinder achieved by the angle that the straight line connecting the axes of the printing cylinders and the subsequent transfer cylinders enclose with the horizontal, corresponds to one eighth of the phase angle.
  • the object of the invention is to develop a method in which Fine and reverse printing mode a plate change on at least one face plate can take place at the same time as the plate change on at least one back pressure unit.
  • the advantage of the solution according to the invention is that it can now be used existing adjustment device with just a few steps the given for the face printing Synchronicity of the printing units can be restored.
  • a sheet-fed offset printing machine for perfecting Printing from at least one printing unit 1 and from at least one printing unit 2.
  • a sheet-turning device is between the printing unit 1 and the counter-printing unit 2 4 arranged.
  • Both the front printing unit 1 and the counter-printing unit 2 have printing cylinders 13, 23 on which blanket cylinders 12, 22 are assigned.
  • blanket cylinders 12, 22 In contact with the rubber cylinders 12, 22 are plate cylinders 11, 21, which are equipped with printing plates, not shown here.
  • Transfer drums 31, 32 are arranged between the printing cylinders 13, 23. Have along the impression cylinders 13, 23 and the transfer drums 31, 32 have a diameter that is double is as large as the diameter of the plate cylinders 11, 21 or the rubber cylinders 12, 22.
  • Both the plate cylinders 11, 21, the blanket cylinders 12, 22, the impression cylinders 13, 23 as the transfer drum 31, 32 of the counterpressure unit also have gripper channels with sheet gripper devices for capturing and transferring the printed sheets.
  • These gripper channels can be seen in Figure 1, but are not provided with reference numerals there. there are the two gripper channels on the double-sized printing cylinders 13, 23 and the transfer drums 31, 32 arranged exactly opposite.
  • the sheet turning device 4 consists of a transfer drum 41, a storage drum 42 and a turning drum 43. These drums 41, 42, 43 also have gripper channels on.
  • the diameter of the storage drum 42 is twice as large as the diameter the transfer drum 41 and the turning drum 43.
  • the transfer drum 31 of the straight printing unit are the Printing cylinder 13, the transfer drum 41 of the sheet turning device and the storage drum 42 via the pressure cylinder gear 131, the transfer drum gear 411 and that Double gear 431 connected together.
  • the double gear 431 corresponds to the Printing cylinder gear 231 as part of the gear train of the counterpressure unit 2.
  • the position of the two parts of the double gear 431 relative to one another can be changed.
  • the structure of the double gear 431 and the device for adjusting and fixing the two parts of the double gear 431 to each other is known from the prior art and is here not described in detail.
  • the phase angle is as from known in the art, chosen so that either every printing unit, every second Printing unit, every third printing unit, etc. has a uniform phase position.
  • the printing cylinder When printing in straight printing, i.e. without turning the sheet within a sheet pass, After coating, the printing cylinder is moved into a position in which it is possible to remove the printed printing plates.
  • the plate change then simultaneously on all printing units or on every second, every third printing unit etc. respectively.
  • the new printing plates are fed.
  • the position of the cylinders is not changed.
  • the printing plates are fed simultaneously and fixed with the known means on the cylinder circumference of the plate cylinders 11, 21.
  • This process involves a change in the phase angle of the straight printing units compared to the counter pressure units. After completion of the print job is a simultaneous Plate change analogous to the face print described above is no longer possible or only still possible if the constellation of the printing units in reverse printing happens to coincide with the Constellation of the printing units in the straight printing matches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP00128336A 2000-01-08 2000-12-22 Procédé pour insertion simultanée des plaques d'impression lors du remplacement de plaques d'impression automatique ou semi-automatique dans des machines d'impression Expired - Lifetime EP1114721B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10000509 2000-01-08
DE10000509A DE10000509A1 (de) 2000-01-08 2000-01-08 Verfahren zum gleichzeitigen Einzug von Druckplatten beim automatischen oder halbautomatischen Druckplattenwechsel an Druckmaschinen

Publications (3)

Publication Number Publication Date
EP1114721A2 true EP1114721A2 (fr) 2001-07-11
EP1114721A3 EP1114721A3 (fr) 2002-11-06
EP1114721B1 EP1114721B1 (fr) 2006-03-01

Family

ID=7626974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128336A Expired - Lifetime EP1114721B1 (fr) 2000-01-08 2000-12-22 Procédé pour insertion simultanée des plaques d'impression lors du remplacement de plaques d'impression automatique ou semi-automatique dans des machines d'impression

Country Status (3)

Country Link
EP (1) EP1114721B1 (fr)
AT (1) ATE318709T1 (fr)
DE (2) DE10000509A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1260364A3 (fr) * 2001-05-23 2004-01-14 Heidelberger Druckmaschinen Aktiengesellschaft Procédé pour réduire le temps de préparation dans le changement des plaques d'impression
WO2010049274A1 (fr) * 2008-10-30 2010-05-06 Manroland Ag Dispositif de traitement de matériaux en feuilles comportant un appareil de rotation des feuilles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061266A (ja) * 1983-09-14 1985-04-09 Komori Printing Mach Co Ltd 枚葉輪転印刷機の版胴自動停止装置
EP0562608A1 (fr) * 1992-03-27 1993-09-29 Komori Corporation Dispositif de contrôle pour le réglage de la phase d'un cylindre pour une machine à imprimer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6061266A (ja) * 1983-09-14 1985-04-09 Komori Printing Mach Co Ltd 枚葉輪転印刷機の版胴自動停止装置
EP0562608A1 (fr) * 1992-03-27 1993-09-29 Komori Corporation Dispositif de contrôle pour le réglage de la phase d'un cylindre pour une machine à imprimer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 198 (M-404), 15. August 1985 (1985-08-15) & JP 60 061266 A (KOMORI INSATSU KIKAI KK), 9. April 1985 (1985-04-09) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1260364A3 (fr) * 2001-05-23 2004-01-14 Heidelberger Druckmaschinen Aktiengesellschaft Procédé pour réduire le temps de préparation dans le changement des plaques d'impression
WO2010049274A1 (fr) * 2008-10-30 2010-05-06 Manroland Ag Dispositif de traitement de matériaux en feuilles comportant un appareil de rotation des feuilles

Also Published As

Publication number Publication date
DE50012301D1 (de) 2006-04-27
DE10000509A1 (de) 2001-07-12
EP1114721A3 (fr) 2002-11-06
EP1114721B1 (fr) 2006-03-01
ATE318709T1 (de) 2006-03-15

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