EP0422412B1 - Dispositif et procédé pour le réglage du registre dans une machine d'impression avec plusieurs groupes d'impression - Google Patents

Dispositif et procédé pour le réglage du registre dans une machine d'impression avec plusieurs groupes d'impression Download PDF

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Publication number
EP0422412B1
EP0422412B1 EP90117743A EP90117743A EP0422412B1 EP 0422412 B1 EP0422412 B1 EP 0422412B1 EP 90117743 A EP90117743 A EP 90117743A EP 90117743 A EP90117743 A EP 90117743A EP 0422412 B1 EP0422412 B1 EP 0422412B1
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EP
European Patent Office
Prior art keywords
printing
register
printing unit
subject
adjustment
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.)
Revoked
Application number
EP90117743A
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German (de)
English (en)
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EP0422412A3 (en
EP0422412A2 (fr
Inventor
Anton Rodi
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Publication date
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Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0422412A2 publication Critical patent/EP0422412A2/fr
Publication of EP0422412A3 publication Critical patent/EP0422412A3/de
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Publication of EP0422412B1 publication Critical patent/EP0422412B1/fr
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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
    • 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
    • B41P2213/90—Register control
    • B41P2213/91—Register control for sheet printing presses

Definitions

  • the invention relates to a printing press with a plurality of printing units, which are provided with circumferential and side register adjustment devices, to which a control command input device is assigned, with which the position of the subject is changed by consequent register adjustment of the printing units.
  • Printing machines with several printing units are known for multi-color printing (WO-A 86 05141, DE 31 36 704 A1), which are provided with circumferential and side register adjustment devices for register adjustment.
  • the circumferential and side register adjustment devices require complex and therefore cost-intensive design measures.
  • a correction of the coating unit register is only possible through complex measures, such as. B. possible to change the position of the rubber blanket on the rubber cylinder.
  • this requires extensive work (especially loosening, aligning, tensioning, etc.).
  • the regulation is difficult and so is the success depends essentially on the skill and experience of the printer.
  • the invention is therefore based on the object of specifying a printing press of the type mentioned, in which correct subject positions of the printing units can be achieved in a simple and inexpensive manner.
  • a printing unit is designed without a circumferential and side register adjustment device and is not adjustable.
  • a fictitious "adjustment" of the non-adjustable printing unit is carried out by changing its subject position relative to the subject positions of the other printing units, this not being done by changing the position of the subject position of the non-adjustable printing unit (which is also not possible due to the non-adjustability would), but is achieved by consistent, relative register adjustment of the other, adjustable printing units.
  • the adjustable printing units are set to match the subject position of the non-adjustable printing unit. This is due to the control command input device according to the invention, for. B. possible in a simple manner from the control center of the printing press.
  • the control command can be entered manually or automatically (automatically).
  • the elaborate, known measures, such as. B. the position correction of the rubber blanket can be omitted.
  • the invention is not limited to the formation of the non-adjustable printing unit as a coating unit, but can, for. B. in multi-color printing also in the printing unit of a certain color separation. Because with this printing unit According to the invention, a register adjustment can be dispensed with, the construction is simplified. The result is a corresponding cost saving.
  • a selected printing unit is provided as the master printing unit, and that the control device detects the adjustment data that occurs when the other printing units are set, taking into account their positional deviation data for the master unit before the setting.
  • Printing unit pulls automatically.
  • the adjustment data relating to the master printing unit are relative to the subject position of the non-adjustable printing unit determine. If this adjustment data is entered into the control command input device, not only is a register adjustment of the printing unit having the standard color carried out, but at the same time also a register setting of all other adjustable printing units, since their register position to be taken can be determined mechanically based on the available data. This makes work considerably easier and also a very high setting accuracy. The high setting accuracy results from the fact that the subject position of the individual adjustable printing units can be determined very precisely on the basis of the register marks already explained. Overall, therefore, a precise register setting of all printing units can be made so that essentially waste-free work is possible.
  • an automatic measurement can be carried out by means of a pass mark reader, in particular a register cross reader.
  • the register cross reader is an optical device that detects the register crosses with a lens arrangement and evaluates their position.
  • the necessary correction of the register settings on the printing units is calculated by the device and / or the control device and, if necessary, shown directly on a display. According to a preferred embodiment, however, the calculated data can also be fed directly to the control panel of the printing press and used to control the actuators for the peripheral and side registers.
  • a register cross reader is known from DE-OS 37 19 766, the content of which is hereby incorporated by reference.
  • the side and front marks serving for the printing material orientation are adjusted by the control device such that the subject of the printed product is too the necessary distances between the substrate edges.
  • the individual e.g. B. from a suction head supplied sheet positioned according to the side and front mark position. This compensates for the subject shift caused by the circumferential and side register adjustments with regard to the printing material edge.
  • the registers or the adjustment of the side and front marks are preferably carried out uniformly at a low speed.
  • This measure prevents the production of waste during an adjustment process that takes place during the printing operation, since the individual color separations - even during the adjustment process - remain congruent with one another with a uniform adjustment or adjustment speed.
  • the low speed ensures that there is no significant dot enlargement of the halftone dots of the printed images during the adjustment or adjustment, since the shape of the color dots that build up and degrade due to the displacement on the respective rubber blankets of the printing press is only insignificant, that is to say when viewed normally not visible, differ.
  • the adjustment or adjustment speed is dependent on the adjustment path and / or the printing speed. In the event of a slight deviation, that is to say only a short travel distance, it is possible to work with a relatively high adjustment or adjustment speed without the print quality being significantly impaired. This also applies to high printing speeds.
  • the invention further relates to a method for correcting the register setting on the printing units of a printing press of the type described above, in particular offset printing press, the printing units of which are provided with circumferential and side register adjustment, the circumferential and side register not being adjusted on a printing unit.
  • the adjustable printing unit is selected as the master printing unit, the subject of which has the correct position to the substrate edges or comes closest to this position.
  • the lead printing unit carries the so-called base color.
  • the relative positional deviations of the subjects of the adjustable printing units from the subject position of the master printing unit are determined and stored in a memory provided for this purpose. This determination can be carried out particularly easily with a pass mark reader, in particular a pass cross reader.
  • the optical device of the register cross reader is aimed at the register crosses of a proof / test print or the like, so that the device can determine the present deviation data and supply it to the memory.
  • the determination and evaluation is preferably carried out automatically.
  • the positional deviation of the subject of the master printing unit from the subject of the non-adjustable printing unit must be determined by the printer and entered at the control center of the printing press.
  • the printer is preferably oriented to the subject edges to determine the positional deviation.
  • a register adjustment of the master printing unit results in an automatic, consequent correction of the register settings of the other adjustable printing units. This makes it possible to correct the register setting on the printing units of the printing press very precisely and with relatively little effort.
  • the printer only has to determine the positional deviation between the subject of the leading printing unit and the subject position of the non-adjustable printing unit "by hand"; the remaining positions or position deviations are automatically detected by the register cross reader and passed on to the control device of the printing press.
  • FIG. 1 shows a schematic representation of an offset printing machine 1 which has four printing units 2, 3, 4 and 5.
  • the offset printing machine 1 is designed as a sheet-fed machine, that is to say, sheets 8 forming the printing material 7 are fed to it by means of a sheet feed device 6, which then pass through the individual printing units 2 to 5 and are removed as a finished printed product at the end of the machine and are preferably stacked there (Sheet stack 9).
  • the printing units 2 to 4 are provided with circumferential and side register adjustment devices 10 for register adjustment.
  • the respective actuator for the circumferential register is marked with “U” and the corresponding actuator for the side register with “S” ( Figure 1).
  • the actuators "U” and “S” are connected via lines 11 to a control station 12 of the offset printing press 1.
  • the control station 12 is also connected via lines 13 to actuators VM and SM from side and front marks 14, 14 'which determine the sheet position.
  • the printing unit 5 is a coating unit 15.
  • the coating unit 15 has no circumferential and side register adjustment devices, so that its register or subject position depends on the position of the rubber blanket on the associated one Blanket cylinder is dependent.
  • a simple register correction - as with the printing units 2 to 4- can not be carried out with the coating unit 15, since a change in the position of the rubber blanket is only possible through complex measures (loosening, positioning, tensioning). In this respect, a non-adjustable printing unit is assumed in the course of this application to printing unit 5.
  • the effect of a register adjustment of the non-adjustable printing unit 5 can be achieved by means of a control command input device 16, which is housed in the control station 12 and cooperates with a control device 25, in that a relative change in the position of the subject of the non-adjustable printing unit 5 by means of consequent register adjustments the adjustable printing units 2 to 4.
  • the effect of an adjustment is caused by the fact that the other, adjustable printing units 2 to 4 in their respective subject position by means of the actuators "U" and / or "S" relative to Subject of the printing unit 5 can be adjusted.
  • the consistency of this adjustment results in the result that all printing units 2 to 5 assume those positions relative to each other that should be achieved by the (but not possible) adjustment of the register of printing unit 5.
  • the sheets 8 are pass markings in the non-image area, in particular in the area of the sheet corners 17 provided, which are designed as register crosses 18 ( Figure 2). If the registration crosses 18 assigned to the printing units 2 to 4 lie congruently one above the other, correct positions of the printing plates are given which are necessary for a perfect printing result. No registration crosses are assigned to the printing unit 5 designed as coating unit 15; The required correct alignment of the associated subject to the subject positions of the remaining printing units 2 to 4 is therefore to be carried out by the operator (printer) by visual inspection, in particular by comparing the position of the subject edges. If there are deviations, the effect of a register adjustment of the printing unit 5, which is not adjustable per se, can be achieved on the basis of the measures according to the invention.
  • FIG. 3 This shows a sheet 8 on which a color separation 19 is arranged. This was generated by one of the printing units 2 to 4 (for the sake of simplicity, only the color separation of a printing unit should be assumed initially).
  • the subject 20 of the coating unit 15 is shown hatched in FIG. 3. Color separation 19 and subject 20 have a relative positional deviation from one another, so that there is no congruence.
  • the circumferential register of the adjustable printing unit e.g. printing unit 4
  • the deviation x is present
  • the deviation y is present.
  • a pass mark 17 assigned to the color separation 19 in the subject corner therefore has the Position P1, which deviates from a position P2, which is occupied by the upper right corner of the subject 20 of the coating unit 15. Since it is not possible to adjust the register of the coating unit 15, the register of the adjustable printing unit is consequently adjusted in such a way that the color separation 19 is congruent with the subject 20. During the adjustment process, position P1 moves to position P2 until both positions are congruent. The color separation 20 is thus shifted by the deviation x and the deviation y during the register adjustment. The consequence of this shift is that the distances between the color separation 19 and the printing material edge 21 or 22 have now been changed.
  • the front marks 14 ' are also adjusted in the same direction and with the same amount by the deviation x and y by means of the adjustment drive VM and the side marks 14 by means of the adjustment drive SM, so that the sheet 8 has a occupies a new position.
  • 4 ac shows a color separation 23 of the printing unit 2, a color separation 24 of the printing unit 3 and the color separation 19 of the printing unit 4.
  • the subject 20 of the coating unit 15 is also shown with a solid line. In FIG. 4a, all the color separations 19, 23 and 24 and the subject 20 have a different position.
  • the ink separation 23 is at a distance a from the upper printing material edge 21 and at a distance b from the lateral printing material edge 22. It is also assumed that the distances a and b have the desired size, so that the color separation 23 on the sheet 8 assumes the correct position.
  • the printing unit 2 assigned to the color separation 23 therefore represents a master printing unit, the corresponding color of this master printing unit being referred to as the standard color.
  • the effect of a register adjustment of the non-adjustable printing unit 5 is effected according to the invention by entering the dimensions c and d determined by the printer into the control command input device 16 of the control center 12 in that a relative change in position is consequently carried out by the register of the adjustable printing unit 2.
  • an independent recording of positional deviation data e, f, g and h is provided, which results from the relative position of the color separations 24 and 19 to the color separation 23 of the lead printing unit.
  • position deviation data e, f, g, h are found by determining the position of the registration marks 18 (FIG. 2) assigned to the color separations 19, 23 and 24.
  • a so-called register cross reader which scans the register crosses 18 with its optics and from this shows the necessary adjustment data corresponding to the position deviation data on a display or, after a further development, supplies the control station 12 for automatic correction of the register settings.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Claims (14)

  1. Machine à imprimer comprenant plusieurs groupes d'impression (2 - 5) qui sont équipés de dispositifs de réglage du repérage circonférentiel (U) et du repérage latéral (S) auxquels est associé un dispositif (16) d'entrée d'instructions de commande à l'aide duquel une modification de position du sujet (20) est effectuée par des réglages en conséquence du repérage des groupes d'impression (2, 3, 4), caractérisée en ce qu'un groupe d'impression (5) est réalisé sans dispositif de réglage du repérage circonférentiel (U) ni du repérage latéral (S) et n'est pas réglable.
  2. Machine à imprimer selon la revendication 1, caractérisée en ce que le groupe d'impression non réglable (5) est un groupe de laquage (15).
  3. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce qu'un groupe d'impression sélectionné (2) est prévu en groupe d'impression pilote pour le réglage du repérage et en ce que le dispositif de commande (25) utilise automatiquement les données de réglage qui se présentent (cotes c, d) pour le réglage des autres groupes d'impression (3, 4) en tenant compte de chacune de leurs données d'écart de position (e, f, g, h), qui existaient avant le réglage, par rapport au groupe d'impression pilote.
  4. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce que la détermination de position des repères d'ajustement (17) s'effectue automatiquement au moyen d'un lecteur de croix de repérage.
  5. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce que le dispositif de commande (25) déplace également les repères latéraux et antérieurs (14, 14') servant à l'alignement du substrat d'impression de manière que le sujet du produit imprimé se trouve aux distances nécessaires (a, b) des bords (21, 22) du substrat d'impression.
  6. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce que le réglage des repérages et le positionnement des repères latéraux et antérieurs (14, 14') s'effectuent de manière sensiblement régulière et à faible vitesse.
  7. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce que la vitesse de réglage et de positionnement est fonction de la longueur de la course de positionnement et/ou de la vitesse d'impression.
  8. Machine à imprimer selon l'une des revendications précédentes, caractérisée en ce que la vitesse de réglage et de positionnement croît avec l'augmentation de la vitesse d'impression.
  9. Procédé de correction du réglage de repérage des groupes d'impression (2-5) d'une machine à imprimer selon l'une ou plusieurs des revendications précédentes 1-8, en particulier d'une machine à imprimer offset, dont les groupes d'impression sont équipés de dispositifs de réglage du repérage circonférentiel et du repérage latéral et qui modifient la position du sujet par réglage en conséquence du repérage des groupes d'impression (2, 3, 4), caractérisé en ce que ni le repérage circonférentiel, ni le repérage latéral d'un groupe d'impression (5) ne subissent un réglage.
  10. Procédé selon la revendication 9, caractérisé en ce que le groupe réglable d'impression (2) dont le sujet occupe la bonne position par rapport aux bords du substrat d'impression ou qui est le plus proche de cette position est sélectionné en groupe d'impression pilote.
  11. Procédé selon l'une des revendications 9-10, caractérisé en ce que les écarts relatifs de position (données d'écart de position e, f, g, h) du sujet (des tirages en couleur) des groupes réglables d'impression (3, 4) par rapport à la position du sujet (position du tirage en couleur) du groupe d'impression pilote (groupe d'impression 2) sont déterminés et mémorisés.
  12. Procédé selon la revendication 11, caractérisé en ce que la détermination s'effectue au moyen d'un lecteur de repères d'ajustement, en particulier d'un lecteur de croix de repérage.
  13. Procédé selon l'une des revendications 9-12, caractérisé en ce que l'écart de position du sujet (tirage en couleur) du groupe d'impression pilote (groupe d'impression 2) par rapport à la position du sujet du groupe d'impression non réglable (5) est déterminé et mémorisé.
  14. Procédé selon l'une des revendications 9-13, caractérisé en ce qu'un réglage de repérage du groupe d'impression pilote provoque une correction automatique en conséquence des réglages de repérage des autres groupes réglables d'impression (3, 4) sur la base des données mémorisées d'écart de position (e, f, g, h) entre l'emplacement du sujet (tirage en couleur) du groupe d'impression pilote (groupe d'impression 2) et les positions du sujet (positions des tirages en couleur) des autres groupes réglables d'impression (3, 4).
EP90117743A 1989-10-09 1990-09-14 Dispositif et procédé pour le réglage du registre dans une machine d'impression avec plusieurs groupes d'impression Revoked EP0422412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3933666 1989-10-09
DE3933666A DE3933666A1 (de) 1989-10-09 1989-10-09 Vorrichtung und verfahren zur registerverstellung an einer druckmaschine mit mehreren druckwerken

Publications (3)

Publication Number Publication Date
EP0422412A2 EP0422412A2 (fr) 1991-04-17
EP0422412A3 EP0422412A3 (en) 1991-08-07
EP0422412B1 true EP0422412B1 (fr) 1994-12-07

Family

ID=6391107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90117743A Revoked EP0422412B1 (fr) 1989-10-09 1990-09-14 Dispositif et procédé pour le réglage du registre dans une machine d'impression avec plusieurs groupes d'impression

Country Status (8)

Country Link
US (1) US5327826A (fr)
EP (1) EP0422412B1 (fr)
JP (1) JPH03207655A (fr)
CN (1) CN1050844A (fr)
AT (1) ATE115040T1 (fr)
AU (1) AU635066B2 (fr)
DE (2) DE3933666A1 (fr)
ES (1) ES2066924T3 (fr)

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DE102007026647B4 (de) * 2007-06-08 2017-09-21 manroland sheetfed GmbH Verfahren zur Registerverstellung
KR20090048795A (ko) * 2007-11-12 2009-05-15 삼성전자주식회사 파일 전송시스템 및 그 파일 관리방법
CN102241207A (zh) * 2010-05-13 2011-11-16 薄淑英 彩色立体图像单色印刷的方法
CN102555438A (zh) * 2012-01-13 2012-07-11 南通华一高科印刷机械有限公司 一种多色胶印机印刷单元点间走纸长度调整装置
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CN104002553A (zh) * 2013-02-22 2014-08-27 广东东方精工科技股份有限公司 一种触摸屏输入印刷套准调整参数自动快速计算的方法
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US4534288A (en) * 1982-05-06 1985-08-13 Harris Graphics Corporation Method and apparatus for registering overlapping printed images
JPS6048356A (ja) * 1983-08-29 1985-03-16 Miyakoshi Kikai Seisaku Kk サイズ交換式輪転機における天地見当設定方法
DE3339552A1 (de) * 1983-11-02 1985-05-09 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Voreinstellen an druckmaschinen
US4572074A (en) * 1984-11-14 1986-02-25 Harris Graphics Corporation Multi-unit press register
FR2578486B1 (fr) * 1985-03-08 1987-06-12 Bertin & Cie Procede et dispositif de positionnement d'objets les uns par rapport aux autres, en particulier des rouleaux d'impression de couleurs dans une presse rotative offset
DD238575A1 (de) * 1985-06-25 1986-08-27 Polygraph Leipzig Lackiereinrichtung
DE3770316D1 (de) * 1986-04-18 1991-07-04 Heidelberger Druckmasch Ag Bestimmung des registerfehlers beim mehrfarbendruck.
DE3703998A1 (de) * 1986-06-14 1987-12-17 Roland Man Druckmasch Einrichtung an druckmaschinen mit stelleinrichtungen fuer umfangs-, seiten- und diagonalregister
DE3712702A1 (de) * 1987-04-14 1988-11-03 Roland Man Druckmasch Registerstellvorrichtung
DE3719766A1 (de) * 1987-06-13 1988-12-22 Heidelberger Druckmasch Ag Registermesssystem

Also Published As

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CN1050844A (zh) 1991-04-24
ATE115040T1 (de) 1994-12-15
AU6312590A (en) 1991-04-11
AU635066B2 (en) 1993-03-11
EP0422412A3 (en) 1991-08-07
US5327826A (en) 1994-07-12
DE3933666C2 (fr) 1993-06-03
JPH03207655A (ja) 1991-09-10
ES2066924T3 (es) 1995-03-16
EP0422412A2 (fr) 1991-04-17
DE3933666A1 (de) 1991-04-18
DE59007925D1 (de) 1995-01-19

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