EP1645414B1 - Druckeinheit einer Druckmaschine und Verfahren zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckeinheit - Google Patents

Druckeinheit einer Druckmaschine und Verfahren zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckeinheit Download PDF

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Publication number
EP1645414B1
EP1645414B1 EP05021473A EP05021473A EP1645414B1 EP 1645414 B1 EP1645414 B1 EP 1645414B1 EP 05021473 A EP05021473 A EP 05021473A EP 05021473 A EP05021473 A EP 05021473A EP 1645414 B1 EP1645414 B1 EP 1645414B1
Authority
EP
European Patent Office
Prior art keywords
printing
forme cylinder
drive
actuating signal
plate change
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.)
Not-in-force
Application number
EP05021473A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1645414A1 (de
Inventor
Heiko Roth
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.)
Manroland AG
Original Assignee
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP1645414A1 publication Critical patent/EP1645414A1/de
Application granted granted Critical
Publication of EP1645414B1 publication Critical patent/EP1645414B1/de
Not-in-force 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
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • 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
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft

Definitions

  • the invention relates to a printing unit of a printing press according to the preamble of claim 1. Furthermore, the invention relates to a method for carrying out a printing plate change on a forme cylinder of a printing unit according to the preamble of claim 4.
  • Printing units of web-fed rotary printing presses have a plurality of printing units, each printing unit consisting of a transfer cylinder, a forme cylinder and an inking unit and optionally a dampening unit.
  • printing units can have impression cylinders, wherein an impression cylinder can interact with one or more transfer cylinders of different printing units.
  • printing units are also known which do not have counter-pressure cylinders, with such printing units without counterpressure cylinders unrolling the transfer cylinders of two printing couples.
  • On the transfer cylinder blankets are usually on the form cylinders and pressure plates are stretched, which is why the transfer cylinder as a blanket cylinder and the forme cylinder are also referred to as a plate cylinder.
  • the respective forme cylinder can be rotated by a drive of the printing unit into a position or angular position suitable for carrying out the printing plate change, in which the printing plate to be exchanged or exchanged can be detected at a trailing edge or leading edge thereof ,
  • the exact or accurate approach to this for the implementation of the printing plate change or for the detection or gripping of the printing plate to be changed position or angular position is for the implementation of the printing plate change of crucial importance, since the trailing end or leading end of the printing plate can be detected only in a narrowly defined angular range or position range of the forme cylinder.
  • register values or register offset values have the influence on the position of the respective forme cylinder and thus on the start of a position suitable for carrying out a printing plate change, the positional accuracy of the color separations on the printing material based on the outer edges of the printing material being ensured via such register values or register offset values becomes.
  • suitable for printing plate change position or angular position of the forme cylinder plays mainly the so-called circumferential register value or circumferential register offset a crucial role.
  • the circumferential register value is set to zero before the actual printing plate change and the printing unit is driven or adjusted until the circumferential register offset for the forme cylinder assumes the value zero. Only then is rotated by the drive of the printing unit of the forme cylinder in the suitable position for the printing plate change or angular position. After carrying out the printing plate change, the original circumferential register offset or circumferential register value is then set again according to the prior art and the printing unit is adjusted until the circumferential register offset for the forme cylinder is restarted.
  • This zeroing and resetting of the circumferential register value or circumferential register offset before and after the actual printing plate change is time-consuming. For example, it may take up to two minutes for the full registration of the register to be completed, as well as for the provision of the peripheral register. This is disadvantageous for productivity reasons.
  • the present invention is based on the problem to provide a novel printing unit of a printing press and a novel method for performing a printing plate change on a forme cylinder of a printing unit.
  • a printing unit of a printing press according to claim 1.
  • a circumferential register value of the respective forme cylinder is fed as an input variable, wherein the control device or control device determines the actuating signal for the drive and thus for rotation of the forme cylinder in the position or angular position suitable for the printing plate change as a function of the circumferential register value.
  • the actuating signal for the drive for rotating the forme cylinder into the position or angular position suitable for the printing plate change as a function of the circumferential register value of the respective forme cylinder. It is therefore within the meaning of the present invention, the completely independent of a register control device operating according to the prior art drive for rotation of the forme cylinder with the register control device such that the circumferential register value orterrorismsregisterversatz the form cylinder read out and the control device or controller of Drive is supplied.
  • the actuating signal for the drive is accordingly corrected in the sense of the present invention by the circumferential register value or circumferential register offset, so that it is possible to dispense with the time-consuming register zeroing and register reset required by the prior art. This results in a significant time savings for a printing plate change.
  • the inventive method for performing a printing plate change on a forme cylinder of a printing unit is defined in claim 4.
  • the forme cylinder is driven by a drive in one for performing the printing plate change, in particular in a for detecting or gripping the to be changed.
  • Pressure plate, suitable position or angular position is rotated, wherein the drive is given an actuating signal for rotation of the forme cylinder in the suitable position for the printing plate change or angular position, and wherein the actuating signal for the drive and thus for rotation of the forme cylinder in the for the printing plate change suitable position or angular position is determined in dependence on a circumferential register value.
  • FIG Fig. 1 described in more detail.
  • Fig. 1 shows a schematic section of a printing unit 10 of a web-fed rotary printing press, which has two printing units 11 and 12.
  • Each of the printing units 11, 12 has a blanket cylinder or transfer cylinder 13, 14 and a plate cylinder or forme cylinder 15, 16. Between the two transfer cylinders 13 and 14, a web-shaped substrate is passed to print a front side and back of the same.
  • the form cylinders 15, 16 of the two printing units 11, 12 are further assigned an inking unit and preferably a dampening unit, on the one hand printing ink and optionally fountain solution on the forme cylinder 15, 16, namely on the forme cylinders 15, 16 stretched pressure plates apply. On each of the two form cylinder 15 and 16 therefore at least one pressure plate is stretched.
  • a drive 17 is assigned to the printing unit 10 in the embodiment shown.
  • the drive 17 drives via a gear 18 of a plurality of gears 19, 20, 21 and 22 both the two transfer cylinders 13 and 14 and the two forme cylinders 15 and 16 at.
  • the drive 17 is associated with a control device or control device 23, which provides an actuating signal 24 for the drive 17.
  • Each of the forme cylinders 15, 16 is a drive 25, 26 and each of the transfer cylinders 13, 14, a drive 27, 28 assigned.
  • the drives 25, 26, 27 and 28 are designed as linear drives, by means of which the transfer cylinders 13 and 14 and forme cylinders 15 and 16 can be adjusted in the axial direction so as to set register values for the forme cylinders 15 and 16, respectively.
  • the linear actuators 25 and 26 the forme cylinders 15 and 16 are displaceable in the axial direction, whereby a page register value or 9.registerversatz for the forme cylinder 15 and 16 can be adjusted.
  • the transfer cylinders 13 and 14 are adjustable in the axial direction, thereby in cooperation with a helical toothing of the gears 21 and 22, a circumferential register value ortherapeutsregisterversatz for the forme cylinder 15 and 16 can be adjusted.
  • the drives 25, 26, 27 and 28 thus serve to set or provide the circumferential register value and the side register value for the respective forme cylinders 15 and 16 and are therefore part of a register control device.
  • the control device or control device 23 outputs the actuating signal 24 to the drive 17.
  • control device or control device 23 regulate the actuating signal 24 for the drive 17 for rotation of the respective forme cylinder 15 or 16 into the position suitable for the pressure plate change as a function of the respective circumferential register value of the respective forme cylinder 15 or 16 determined.
  • the circumferential register values of the forme cylinders 15 and 16, which are set via the drives 27 and 28 in the exemplary embodiment shown, are provided to the control device or control device 23 as input variables 29 and 30, respectively.
  • the actuating signal 24 for the drive 17 is formed as a function of the peripheral register value of the drive 28 provided as an input variable 30, whereas the forme cylinder 15 is to be rotated into a position suitable for the printing plate change , the actuating signal 24 of the drive 17 is formed as a function of the circumferential register value of the drive 27 provided as an input variable 29.
  • the circumferential register value of the respective forme cylinder to which a printing plate change is to be performed read and in the provision of the control signal 24 for the drive 17, due to which the corresponding forme cylinder 15 and 16 in the suitable for the printing plate change Position or angular position is rotated, considered. This significantly speeds up the printing plate change.
  • the procedure is preferably such that the control device or control device 23 first determines an intermediate control signal independent of the respective circumferential register value, wherein this intermediate control signal coincides with the respective circumferential register value is calculated such that the circumferential register value is added with the opposite sign to the intermediate control signal.
  • control device 23 regardless of the circumferential register value required for the printing plate change angular position of the respective Form cylinder of + 10 ° before and the circumferential register value for this form cylinder + 4 °, the drive motor 17, a control signal 24 is provided, which corresponds to an angular position for the forme cylinder of + 6 °.
  • the circumferential register value of a forme cylinder is compensated in determining the actuating signal for the drive for rotating the respective forme cylinder into the position or angular position suitable for the printing plate change.
  • the circumferential register offset of the respective forme cylinder, on which a printing plate change is to be executed, is therefore automatically compensated in the sense of the present invention in the positioning of the forme cylinder for the printing plate change.
  • required register zeroing and the required after printing plate change register reset can be omitted in the sense of the present invention, so there is a significant time savings for the printing plate change.
  • the invention can be implemented without additional mechanical or electrical components, so that it can be implemented inexpensively on existing printer units.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP05021473A 2004-10-05 2005-09-30 Druckeinheit einer Druckmaschine und Verfahren zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckeinheit Not-in-force EP1645414B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004048315A DE102004048315A1 (de) 2004-10-05 2004-10-05 Druckeinheit einer Druckmaschine und Verfahren zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckeinheit

Publications (2)

Publication Number Publication Date
EP1645414A1 EP1645414A1 (de) 2006-04-12
EP1645414B1 true EP1645414B1 (de) 2010-12-15

Family

ID=35543082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05021473A Not-in-force EP1645414B1 (de) 2004-10-05 2005-09-30 Druckeinheit einer Druckmaschine und Verfahren zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckeinheit

Country Status (6)

Country Link
US (1) US7497163B2 (zh)
EP (1) EP1645414B1 (zh)
JP (1) JP2006103331A (zh)
KR (1) KR20060052033A (zh)
CN (1) CN1757510B (zh)
DE (2) DE102004048315A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007032004A1 (de) * 2007-07-09 2009-01-15 Manroland Ag Verfahren zum Ansteuern einer Inkjet-Druckeinrichtung
DE102007035689B3 (de) * 2007-07-30 2008-10-16 Koenig & Bauer Aktiengesellschaft Verfahren zum Anordnen von Druckformen auf einem Formzylinder einer Druckmaschine
DE102013012708B4 (de) * 2012-09-10 2022-04-21 Heidelberger Druckmaschinen Intellectual Property Ag & Co. Kg Registerverstellung während Rüstvorgängen bei Druckmaschinen
NL2023046B1 (nl) * 2019-05-01 2020-11-23 Mps Holding Bv Bewerkingsstation voor het bewerken van een substraatbaan

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644445A1 (de) 1986-12-24 1988-07-07 Roland Man Druckmasch Druckwerk einer rollenoffset-rotationsdruckmaschine fuer wechselnde eindrucke
JPH02103145A (ja) * 1988-10-13 1990-04-16 Mitsubishi Heavy Ind Ltd 印刷ユニット単独駆動装置
JP3066614B2 (ja) * 1991-09-19 2000-07-17 株式会社小森コーポレーション 自動版交換・版見当方法および装置
DE4219870C2 (de) * 1992-06-17 2002-07-18 Heidelberger Druckmasch Ag Verfahren zum automatischen Druckplattenwechsel
DE4223583B4 (de) * 1992-07-17 2005-02-24 Heidelberger Druckmaschinen Ag Verfahren zum Antreiben beim Plattenwechsel bei einer Bogendruckmaschine und Antrieb zur Durchführung des Verfahrens
DE19623224C1 (de) * 1996-06-11 1997-09-11 Roland Man Druckmasch Antrieb für eine Druckmaschine
DE19636703C2 (de) 1996-09-10 1998-12-03 Roland Man Druckmasch Vorrichtung zur automatischen Steuerung eines Druckplattenwechselvorganges
US5904093A (en) 1997-08-07 1999-05-18 Heidelberger Druckmaschinen Ag Apparatus and method for changing images during operation of a printing press
ES2156452T3 (es) * 1998-01-20 2001-06-16 Baumuller Anlagen Systemtechni Procedimiento para el funcionamiento de una maquina de impresion con una gran cantidad de funciones, asi como disposicion de tecnica de mando.
US6205926B1 (en) * 1998-10-23 2001-03-27 Heidelberger Druckmaschinen Ag Method for on the run plate changes in offset web-fed press
DE10046367B4 (de) * 2000-09-20 2005-10-13 Koenig & Bauer Ag Antrieb einer Druckeinheit
DE10206891A1 (de) * 2001-03-12 2002-09-19 Heidelberger Druckmasch Ag Druckwerksantrieb
DE10260491A1 (de) * 2002-12-21 2004-07-01 Koenig & Bauer Ag Vorrichtung zur Lageverstellung eines Drehkörpers mit Direktantrieb

Also Published As

Publication number Publication date
CN1757510B (zh) 2010-09-29
KR20060052033A (ko) 2006-05-19
DE502005010669D1 (de) 2011-01-27
EP1645414A1 (de) 2006-04-12
DE102004048315A1 (de) 2006-04-06
US7497163B2 (en) 2009-03-03
CN1757510A (zh) 2006-04-12
JP2006103331A (ja) 2006-04-20
US20060070542A1 (en) 2006-04-06

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