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EP1924435B1 - Presse et procede pour corriger le reperage - Google Patents

Presse et procede pour corriger le reperage Download PDF

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Publication number
EP1924435B1
EP1924435B1 EP06753434.7A EP06753434A EP1924435B1 EP 1924435 B1 EP1924435 B1 EP 1924435B1 EP 06753434 A EP06753434 A EP 06753434A EP 1924435 B1 EP1924435 B1 EP 1924435B1
Authority
EP
European Patent Office
Prior art keywords
printing
web
unit
register
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.)
Not-in-force
Application number
EP06753434.7A
Other languages
German (de)
English (en)
Other versions
EP1924435A2 (fr
Inventor
Klaus Peters
Leon Wei
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1924435A2 publication Critical patent/EP1924435A2/fr
Application granted granted Critical
Publication of EP1924435B1 publication Critical patent/EP1924435B1/fr
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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/14—Registering devices with means for displacing the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines

Definitions

  • the invention relates to a drive system for a printing press according to the preamble of patent claim 1 and to a method for register correction or correction of a faulty arrangement according to the preamble of patent claim 6.
  • Multi-color presses have a separate print engine available for each color.
  • the material to be printed (paper, cardboard, fabric, etc.) passes through the respective printing units one after the other, which is why the individual color prints must be applied exactly congruent.
  • a printing unit In a gravure printing machine, a printing unit consists inter alia of a printing cylinder, on which the printed image is applied, and a counter-pressure cylinder (impression roller), which presses the paper onto the printing cylinder. In contrast to flexo or off-set printing presses, the impression cylinder is not driven.
  • the impression roller is made with high pressure against the printing material and the printing cylinder, so that a frictionally connected unit is formed, which can only be moved together or positioned. There is no relative movement between printing material and impression cylinder possible.
  • cylinder correction Longitudinal register deviations are corrected by cylinder correction.
  • the task of the correction or register control is to compensate for misalignments and to ensure the register accuracy of the printed image.
  • a printing cylinder is corrected by a suitable angular position. Due to the uniform connection between the printing unit and the printing material, the printing material is also moved along. Thus, it does not initially change the impression on the printing material, but to an additional stretching or compression of the material by changing the web tension.
  • a printing unit is corrected such that the web is lengthened in front of the printing unit and the web is shortened after the printing unit, the material is stretched in front of the printing unit and released after the printing unit. It creates a strain difference. Only by the continuous transport of the material, this strain and web tension difference is reduced again and the adjustment of the register according to the corrected angular position is effective.
  • the change in the web elongation in the area after the corrected printing unit affects the subsequent printing units. It comes to register deviations in the subsequent printing units, which only slowly, but independently and unregulated, reduce again. The time required for this is a multiple of the quotient of web length and web speed. Material completed during this correction time is faulty and can not be used (waste).
  • the EP 0 422 412 A1 shows a sheet-fed press with a non-adjustable printing unit. In order to correct a register deviation at this printing unit, all previous printing units are adjusted. The conditions in a sheet-fed press, however, are not transferable to a web press, in particular, no effects on a web tension can occur.
  • a drive system according to the invention for a printing press in particular a shaftless gravure printing machine, with a plurality of individually driven printing units, which are provided with Leksregisterverstellvorraumen, are means for common adjustment of Lcertainsregisterverstellvortechnischen all preceding a first printing unit printing units or means for common adjustment of Lcertainsregisterverstellvortechnischen the first printing unit and all arranged after the first printing unit printing units for correcting a register deviation provided on the first printing unit. Due to the common setting or operation, the printing units are similarly adjusted, i. it is carried out in all a same correction of the angular position of the printing cylinder. It is understood that the invention also includes the case that only one printing unit is present before or after the relevant first printing unit.
  • a suitable means for the realization of electric drives are essentially suitable, which drive the components of the printing press by means of a virtual master axis individually and synchronously.
  • This clamping is typically represented by another printing unit.
  • the change in elongation can be achieved by repositioning all printing units be accomplished before the relevant printing unit. It is also possible to change the elongation in front of the relevant printing unit by correcting the relevant printing unit itself and all subsequent printing units. Overall, the material strain is changed only in front of the relevant first printing unit, without affecting the register and the material expansion in other sections. Due to the subsequent reduction of the material strain change, the register deviation is corrected.
  • means for adjusting an intake unit and / or a pull-out unit are also provided in the drive system according to the invention.
  • the register correction can therefore be realized both in the direction of the extension unit and in the direction of the intake unit or in both directions.
  • An adjustment of the intake unit and / or the extension unit is advantageous for the decoupling, the control and maintenance of the web tension.
  • printing material damage such as Cracks, folds, folds or kinks etc. are reduced.
  • At least one Leksregisterverstellvorraum is provided for performing a cylinder correction.
  • Cylinder correction provides a simple and reliable way to perform register correction without the need for additional mechanical or electrical devices, such as compensators conventionally used in the art Track area between two printing units are to be arranged to change the web length in this area.
  • a device has detection devices for detecting the register deviation, wherein each detection device is associated with a printing unit.
  • each detection device is associated with a printing unit.
  • a detection device is located within the web section immediately before the associated printing unit or behind the printing unit. If a detection device detects a register deviation, the associated printing unit is corrected in the manner described.
  • register deviation detection there are two possible methods for register deviation detection, the web / web process or the web / cylinder process. It is expedient that a device according to the invention is equipped with means for carrying out either the web / cylinder process or the web / web process.
  • the position of a mark printed in the first printing unit is tracked.
  • the pressure mark detection devices or brand readers usually sit in front of the associated printing units.
  • the position of the impression cylinder is detected at the time the mark passes the mark reader.
  • the cylinder position is compared with a preset setpoint. A detected difference corresponds to the register deviation.
  • cheaper label readers can be used which need not be designed color-sensitive.
  • each brand's own brands are applied to the print material in the respective printing unit color.
  • the sensor or brand reader associated with a printing unit is therefore color-sensitive and is arranged on the web after the associated printing unit.
  • the distance between the individual print marks to each other is detected and compared with a distance setpoint. A detected difference corresponds in turn to the register deviation.
  • the mislocation is changed by a change in position within all processing steps before the first processing step or by a position change during the processing corrected first processing step and all lying in the machining process after the first processing step processing steps.
  • an influence of the correction can be favorably limited to the section under consideration.
  • An effect of the correction on other processing devices is reduced. It should be noted that the phrase "all processing steps" also includes only one existing processing step.
  • the method is used in conjunction with a printing or paper processing machine, in particular a shaftless gravure printing machine.
  • a printing or paper processing machine in particular a shaftless gravure printing machine.
  • use is equally advantageous for any method in which a processing material is accurately and sequentially processed in individual processing devices, such as e.g. Printing machines for packaging or commercial use, narrow web machines for labels and forms.
  • the processing steps are carried out by means of printing units, feed units and pull-out units.
  • the accuracy of fit of the impressions and the web tension of the printing material can be favorably influenced.
  • a preferred application of the method according to the invention is the correction of a longitudinal register deviation, wherein the position change is performed as a cylinder correction in the form of a correction of the cylinder angle position.
  • the process can be used for rotary printing presses to eliminate longitudinal register deviations.
  • FIG. 1 a preferred embodiment of the device according to the invention is designated overall by 100.
  • a printing material for example, paper 101 is fed to the machine via a feed unit 110.
  • the paper 101 is guided and printed by printing units 111, 112, 113, 114 and re-issued by a pull-out unit 115.
  • the input, extraction and printing units 110 to 115 can be positioned, in particular cylinder or angularly correctable, arranged, which is indicated by semicircular arrows 103. For clarity, not all arrows are provided with reference numerals.
  • the printing units 111 to 114 each have a printing cylinder 111 'to 114', against which a respective impression roller 111 '' to 114 '' is made with strong pressure.
  • the printing cylinders 111 'to 114' are individually and independently driven, the impression rollers 111 '' to 114 '' are freely rotatable.
  • the pull-in and pull-out units 110, 115 each have two counter-rotating cylinders which guide the paper 101.
  • the feed and withdrawal unit 110, 115 and the printing units 111 to 114 together with the continuous paper 101 form a frictionally connected unit.
  • rollers and devices which are designated 102.
  • these may be deflection rollers, drying devices, etc.
  • the web is provided between the infeed 110 and the first printing unit 111 with a sensor 120, which is designed as a web tension sensor.
  • Web tension values F detected by the sensor 120 are supplied to a measured value evaluation device 130. Depending on the web tension values F supplied by the sensor 120, the positioning of the feed train 110 is controlled.
  • a sensor 121 in the web section between the first printing unit 111 and the second printing unit 112, a sensor 121, in the web section between the second printing value 112 and the third printing unit 113, a sensor 122 and in the web portion between the third printing unit 113 and the fourth printing unit 114, a sensor 123 is arranged.
  • the sensors 121 to 123 are designed as brand readers.
  • a mark reader 121 to 123 detects when the print mark (not shown), which is preferably applied by the first printing unit 111, reaches the mark reader and is respectively fed to a measured value evaluation device 131 to 133.
  • each measured value evaluation device 131 to 133 compares the actual values of the cylinder position fed to it with predefined setpoint values and calculates therefrom a respective register deviation ⁇ R2 to ⁇ R4 (path / cylinder correction).
  • the further processing of the identified registers is considered in addition to the FIG. 2 clear.
  • the deviations are fed to the arithmetic units 210, 211, 212, 213 and used to position the printing units 111 to 113 and possibly also for the positioning of the feeding unit 110, as shown in FIG FIG. 2 is shown in more detail.
  • FIG. 2 a preferred embodiment of the method according to the invention is shown schematically.
  • the vertical dividing line A represents a schematic subdivision of the method Separation line A represents the control or regulation of the printing units, the area to the left of the dividing line A represents the control of the intake.
  • the control of the intake system is preferably carried out additionally.
  • the preferred embodiment of the method according to the invention is based on the example of FIG. 1 described device such that the misalignment or the register deviation is corrected by changing the position of all lying in the processing sequence before the respective processing device concerned or the printing unit concerned processing equipment or printing units. It goes without saying for the person skilled in the art how a corresponding correction can be carried out by changing the position of the respectively affected and all machining devices lying in the machining process after the machining device concerned.
  • the computer units 210 to 213 supplied. It goes without saying that all listed measured value evaluation devices 130 to 133 and computer units 210 to 213 can be realized centrally or locally (in the drive, motion control, SPS).
  • the computer units 211 to 213 calculate from the supplied register deviations ⁇ R2 to ⁇ R4 the angle corrections ⁇ 2 to ⁇ 4, which are necessary for repositioning the respective printing cylinder 111 to 113.
  • step 202 the determined angle corrections ⁇ 2 to ⁇ 4 are fed to summation units 220 to 223. It is understood that in an analogous manner, more than three register deviations can be detected, which is indicated by the dashed line and the three dots.
  • the angular position of the printing cylinders 111 to 113 is changed according to the illustrated embodiment.
  • the angle correction ⁇ 4 calculated by the computer unit 213 is supplied to all preceding printing cylinders via their summation units 221 to 223, in the illustrated preferred embodiment also to the intake unit 110 via its summation unit 220.
  • the angle correction ⁇ 3 calculated by the computer unit 212 is supplied to the summation units 220 to 222.
  • the angle correction ⁇ 2 is finally supplied to the summation units 220 and 221.
  • the summation units 220 to 223 respectively calculate the total angular displacement ⁇ EZW, ⁇ 1 to ⁇ 3 to a master axis position indicated by ⁇ LA.
  • the respective angular offset values are calculated together with the value of the master axis position and transferred to the corresponding intake and printing units or their adjusting devices (not shown).
  • step 204 the infeed unit 110 and the printing units 111 to 113 are repositioned according to the calculated values in order to correct the register deviations.
  • a Register deviation for each printing unit are corrected almost simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)

Claims (8)

  1. Système d'entraînement pour imprimante de bandes (100), en particulier héliograveuse sans arbre, comportant plusieurs groupes d'impression pouvant être entraînés individuellement (111 à 114) qui sont pourvus de dispositifs de réglage de registre longitudinal,
    caractérisé par
    des moyens de réglage commun des dispositifs de réglage de registre longitudinal de tous les groupes d'impression (111 ; 111, 112 ; 111, 112, 113) se trouvant avant un premier groupe d'impression (112 ; 113 ; 114) et d'un groupe d'introduction (110) pour la correction d'un écart de registre (ΔR2, ΔR3, ΔR4) sur le premier groupe d'impression.
  2. Système d'entraînement pour imprimante de bandes (100), en particulier héliograveuse sans arbre, comportant plusieurs groupes d'impression pouvant être entraînés individuellement (111 à 114) qui sont pourvus de dispositifs de réglage de registre longitudinal,
    caractérisé par
    des moyens de réglage commun des dispositifs de réglage de registre longitudinal du premier groupe d'impression (112 ; 113) et de tous les groupes d'impression (113, 114 ; 114) se trouvant après le premier groupe d'impression (112 ; 113) et d'un groupe d'extraction (115) pour la correction d'un écart de registre (ΔR2, ΔR3, ΔR4) sur le premier groupe d'impression.
  3. Système d'entraînement selon une des revendications précédentes,
    caractérisé par au moins un dispositif de réglage de registre longitudinal pour exécuter une correction de cylindre.
  4. Système d'entraînement selon une des revendications précédentes,
    caractérisé par des dispositifs de détection (121, 122, 123) pour détecter l'écart de registre (ΔR2, ΔR3, ΔR4), chaque dispositif de détection étant associé à un groupe d'impression (112, 113, 114).
  5. Système d'entraînement selon une des revendications précédentes,
    caractérisé par des moyens d'exécution d'un procédé bande/cylindre ou d'un procédé bande/bande pour constater un écart de registre (ΔR2, ΔR3, ΔR4).
  6. Procédé de correction d'un écart de registre (ΔR2, ΔR3, ΔR4), dans lequel une bande de matériau (101) est transformée dans des étapes de transformation successives (110 à 115), l'écart de registre (ΔR2, ΔR3, ΔR4) de la bande de matériau par rapport à une première étape de transformation (111 à 115) étant corrigé,
    caractérisé en ce que l'écart de registre (ΔR2, ΔR3, ΔR4) est corrigé par un changement de position de toutes les étapes de transformation (110 ; 110, 111 ; 110, 111, 112 ; 110, 111, 112, 113 ; 110, 111, 112, 113, 114 ; 110, 111, 112, 113, 114, 115) se trouvant avant la première étape de transformation (111 ; 112 ; 113 ; 114 ; 115) dans le cycle de transformation et qui sont exécutées par des groupes d'impression (111 à 114) et un groupe d'introduction (110) ou par un changement de position pendant la première étape de transformation (111 ; 112 ; 113 ; 114) et toutes les étapes de transformation (112, 113, 114, 115 ; 113, 114, 115 ; 114, 115 ; 115) se trouvant après la première étape de transformation dans le cycle de transformation et qui sont exécutées par des groupes d'impression (111 à 114) et un groupe d'extraction (115).
  7. Procédé selon la revendication 6 à utiliser en liaison avec une héliograveuse.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'écart de registre est un écart de registre longitudinal (ΔR2, ΔR3, ΔR4), le changement de position étant exécuté sous forme d'une correction de cylindre.
EP06753434.7A 2005-04-27 2006-04-27 Presse et procede pour corriger le reperage Not-in-force EP1924435B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005019566A DE102005019566A1 (de) 2005-04-27 2005-04-27 Druckmaschine und Verfahren zur Registerkorrektur
PCT/EP2006/003932 WO2006114317A2 (fr) 2005-04-27 2006-04-27 Presse et procede pour corriger le reperage

Publications (2)

Publication Number Publication Date
EP1924435A2 EP1924435A2 (fr) 2008-05-28
EP1924435B1 true EP1924435B1 (fr) 2014-12-31

Family

ID=37111273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753434.7A Not-in-force EP1924435B1 (fr) 2005-04-27 2006-04-27 Presse et procede pour corriger le reperage

Country Status (6)

Country Link
US (1) US20090211473A1 (fr)
EP (1) EP1924435B1 (fr)
KR (1) KR101068027B1 (fr)
CN (1) CN101189128B (fr)
DE (1) DE102005019566A1 (fr)
WO (1) WO2006114317A2 (fr)

Families Citing this family (15)

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DE102007017096A1 (de) 2007-04-10 2008-10-16 Robert Bosch Gmbh Verfahren zum Verstellen von Druckmaschinenmodulen
DE102007024323A1 (de) 2007-05-24 2008-11-27 Robert Bosch Gmbh Verfahren zum Verstellen von Druckmaschinenmodulen
EP1980396A3 (fr) * 2007-04-10 2011-08-24 Robert Bosch Gmbh Procédé destiné déplacer des modules de machines d'impression
DE102007017095A1 (de) 2007-04-10 2008-10-16 Robert Bosch Gmbh Verfahren zum Betreiben einer Druckmaschine
DE102007049670B4 (de) * 2007-10-17 2015-02-26 Robert Bosch Gmbh Verfahren zur Registerkorrektur bei einer Bearbeitungsmaschine sowie Bearbeitungsmaschine
KR100953475B1 (ko) * 2008-02-19 2010-04-16 건국대학교 산학협력단 전자소자 연속공정 롤투롤 인쇄를 위한 초정밀 레지스터제어 방법
DE102008035639A1 (de) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Verfahren zur Modellierung eines Regelkreises für eine Bearbeitungsmaschine
DE102008059584B4 (de) 2008-11-28 2021-11-18 BST eltromat International GmbH Verfahren und Vorrichtung zur Regelung des Registers in einer Druckmaschine
WO2010150849A1 (fr) * 2009-06-25 2010-12-29 三菱重工印刷紙工機械株式会社 Dispositif de correction d'alignement en largeur, imprimante et procédé de correction d'alignement en largeur
CN102602130B (zh) * 2012-03-14 2015-01-21 无锡龙瑞信机械科技有限公司 组合凹版印刷机印刷时印版位置摆放方法
DE102012013435A1 (de) 2012-04-04 2013-10-10 Robert Bosch Gmbh Verfahren zur Vorregistrierung einerBearbeitungsstation
CN104118196A (zh) * 2014-07-21 2014-10-29 太阳机械股份有限公司 一种票据轮转印刷机及其使用方法
DE102018201968A1 (de) * 2017-03-08 2018-09-13 Heidelberger Druckmaschinen Ag Verfahren zur Reduktion von quasi-statischen Passerdifferenzen in einer Druckmaschine
JP6909063B2 (ja) * 2017-06-15 2021-07-28 住友重機械工業株式会社 情報処理装置、印刷システム及び情報処理方法
CN109367202A (zh) * 2018-07-16 2019-02-22 新乡市大为创新印刷包装机械有限公司 一种间歇式卷筒印刷机幅面调节装置

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JP2923988B2 (ja) 1989-08-09 1999-07-26 住友電気工業株式会社 超電導導体
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CN1579761A (zh) * 2003-08-05 2005-02-16 孙莉 轮转印刷机前置式套准电控全自动系统及前置式套准方法

Also Published As

Publication number Publication date
KR20080005934A (ko) 2008-01-15
DE102005019566A1 (de) 2006-11-09
WO2006114317A2 (fr) 2006-11-02
US20090211473A1 (en) 2009-08-27
WO2006114317A3 (fr) 2007-05-18
KR101068027B1 (ko) 2011-09-28
CN101189128A (zh) 2008-05-28
CN101189128B (zh) 2010-09-01
EP1924435A2 (fr) 2008-05-28

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