EP0114957A2 - Dispositif de réglage préliminaire pour machines d'impression - Google Patents

Dispositif de réglage préliminaire pour machines d'impression Download PDF

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Publication number
EP0114957A2
EP0114957A2 EP83111488A EP83111488A EP0114957A2 EP 0114957 A2 EP0114957 A2 EP 0114957A2 EP 83111488 A EP83111488 A EP 83111488A EP 83111488 A EP83111488 A EP 83111488A EP 0114957 A2 EP0114957 A2 EP 0114957A2
Authority
EP
European Patent Office
Prior art keywords
printing
register
reader
contrast
plate
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
EP83111488A
Other languages
German (de)
English (en)
Other versions
EP0114957B1 (fr
EP0114957A3 (en
Inventor
Harry M. Dr.-Ing. Greiner
Hermann Dipl.-Ing. Fischer
Claus Dipl.-Ing. Simeth
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
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT83111488T priority Critical patent/ATE34706T1/de
Publication of EP0114957A2 publication Critical patent/EP0114957A2/fr
Publication of EP0114957A3 publication Critical patent/EP0114957A3/de
Application granted granted Critical
Publication of EP0114957B1 publication Critical patent/EP0114957B1/fr
Expired legal-status Critical Current

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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
    • B41F33/0027—Devices for scanning originals, printing formes or the like for determining or presetting the ink supply

Definitions

  • the invention relates to a device for presetting on printing presses, in particular the register and ink zone setting.
  • measuring methods which measure a plate lying flat on a table or a plate mounted on a cylinder outside of the machine with a large number of measuring heads and temporarily store the measured area coverage values and in a further operation by means of different data carriers on the setting mechanism of the ink fountain key.
  • a system for printing press preparation and control has become known in DE-OS 2 922 964.
  • the default setting mainly affects the inking unit, inking, dampening and folding unit.
  • the task is to create a system with which the mechanical parts of a printing press mentioned can be automatically preset and further adjusted.
  • other devices are to be provided with which the necessary mechanical adjustments can be predetermined depending on the data entered.
  • presetting parameters such as printing press, print product, printing area and workflow can be entered.
  • the invention has for its object to shorten the set-up time on printing presses with simple means.
  • a contrast reader scans a printing plate mounted on a plate cylinder multifunctionally in such a way that by means of a control signal connected via a computer unit and storage unit the register and ink zone presetting directly within the print machine are adjustable.
  • a contrast reading device is arranged parallel to a plate cylinder, which can digitally measure the light / dark areas of the printing plate for the register and ink zone presetting.
  • the contrast reader is arranged inside the printing machine, the measured values are machine-dependent, which results in an extreme time saving in the presetting after the printer has clamped the printing plate. A print sheet creation and measurement is not necessary for the presetting.
  • the presetting is based on the knowledge that an automatic presetting is sufficient, which, simulating the printer, only makes a yes / no decision with regard to the area coverage, viewed over the plate width.
  • the printing plate is multifunctional, i.e. the area coverage of the plate and the position of the plate on the plate cylinder are measured and the register and ink zone settings are carried out directly within the printing machine.
  • the contrast reader does not have to be special be calibrated because it automatically determines its optimal working point.
  • the printing plate is not inked before and during the measurement.
  • the printing plate has cross marks and light / dark areas.
  • the register presetting is made first and then the color zone presetting.
  • the register presetting is divided into diagonal, circumferential and side adjustment and is also measured and preset in this order.
  • a measuring mark or trigger mark which is arranged on the printing cylinder, is used in a known manner for the start of counting of the displacement sensor.
  • the number of counting steps up to the register cross which is measured by the contrast reader, gives the actual value and thus the position of the printing plate on the plate cylinder.
  • a computer unit with an amplifier is arranged between the register and ink zone presetting. The actual value is compared with the setpoint via the computer unit and the resulting control signal is switched to the register preset via the amplifier.
  • the presetting of the printing plate on the plate cylinder is carried out in the above order and with the accuracy customary in the printer.
  • the accuracy of the presetting depends on the measuring speed and the resolution rate of the contrast reader. Depending on the number of control measurements, the accuracy can be increased up to the resolution of the contrast reader at the selected measuring speed.
  • the size of the registration marks is chosen in a particularly advantageous manner so that an optimal printer-standard presetting is achieved at conventional printing speeds.
  • the difference in brightness between printing and non-printing parts on the printing plate is measured in a multifunctional manner in order to optimally adjust the ink zone presetting, depending on the machine, so that the printer does not have to readjust it or only with customer-specific requests.
  • the compactness of the measuring and adjusting devices integrated in the printing press leads to a particularly high reduction in the set-up and auxiliary times of the printing press.
  • the contrast reader is a simple print mark reader that traverses over the plate cylinder at a preselected speed.
  • the plate cylinder can rotate gradually or continuously at a certain speed.
  • the movement sequence can also be reversed, i.e. the plate cylinder rotates continuously e.g. at the highest possible speed, while the measuring head gradually moves axially through the individual ink zones or only makes small traverses according to the ink zone width.
  • the step-by-step is carried out in an overlapping manner.
  • the measured contrasts are evaluated in the same way for all of the combinations mentioned.
  • the measured values are integrated in the circumferential direction in relation to the corresponding position of the ink zone section.
  • the speed of the contrast reader can be preselected differently in some areas by means of a display. As a result, the measurement and adjustment time can be significantly reduced.
  • the contrast reader traverses with a fine adjustment in areas that are to be measured, but with a coarse adjustment in areas in which no information is on the Pressure plate are present.
  • An angle encoder is arranged between the plate cylinder and the print mark reader. This works for all clock-related or speed-dependent functions of the printing press, e.g. Front edge sensing, pressure cut-off, gripper lock, lift control and powder dusting.
  • the angular step encoder performs the radial engagement of the plate cylinder.
  • the control signal can be transferred directly to the ink fountain keys and the register drives without an intermediate data carrier.
  • the contrast reader can be moved in a manner known per se by means of a traversing mechanism, similar to plotting, on a traverse parallel to the plate cylinder.
  • the accuracy is optimally given with a cable pull and laterally arranged rollers with stepper motors for the measuring method also for control measurements.
  • the contrast reader is interchangeably arranged on the crossbar by means of a bayonet holder.
  • the bayonet holder is electrically secured so that the printing press cannot start when the contrast reader has not yet been inserted.
  • bayonet brackets are arranged on the crossbar, the bayonet brackets also enable several contrast readers to be placed on the crossbar in order to be able to additionally shorten the measuring time.
  • the memory locations provided in the computer unit, here in particular the read-only memory, can be deleted after each individual adjustment process of the presetting.
  • the system is therefore optimal in terms of its variability in terms of retrofitting.
  • FIG. 1 shows a multicolor printing machine 1 with register presets 2 - 2.3 and ink zone presets 3 - 3.3.
  • the register presets 2 - 2.3 each act on plate cylinders 5 - 5.3.
  • Registers 2 - 2.3 and color zone presets 3 - 3.3 are remotely controlled and computer-linked.
  • the positioning pulses required for remote control are generated with traversing contrast readers 4 - 4.3 by measuring registration marks on printing plates 6 - 6.3.
  • the printing plates 6 - 6.3 are attached to the plate cylinders 5 - 5.3 only once by the printer. Deviations between the target and actual positions of the printing plates 6 - 6.3 are optimized in the register presetting 2 - 2.3 via a computer unit 7, this considerably shortens the adjustment time. If the positional deviation of the pressure plates 6 - 6.3 is too large, this is additionally indicated by a signal and the respective pressure plate 6 - 6.3 is readjusted by the printer.
  • the entire measuring and adjusting device is arranged compactly in the printing press 1 and thus adapted to the particular properties of the printing press 1.
  • This compact design can be installed in a particularly advantageous manner in the most varied types of printing presses.
  • the plate cylinder 5 is shown within the printing press 1.
  • the contrast reader 4 can be driven parallel to the plate cylinder 5 on a traverse 12 with a known movement mechanism 11.
  • a known traversing mechanism 11 the drive is meant here, for example, which is used for plotters with a cable pull and stepper motor for exact repeatable positioning.
  • several contrast readers 4 can be arranged on the traverse 12.
  • the area coverage on the printing plate 6, i.e. the ratio of the registered signals of the printing batches to signals of the non-printing batches is transformed by means of the computer unit 7 and passed on directly as a manipulated value to the associated color zone presetting 3.
  • This multifunctional scanning allows a substantial shortening of the presetting due to the central system and the compression of the adjustment and measuring process into one work step.
  • Fig. 3 the entire measurement and control process with the computer unit 7 is shown schematically.
  • the computer unit 7 is composed of a read-only memory 7.1 and a volatile memory 7.2, as well as an input and output. This is arranged between the print mark reader 9 and an amplifier 8.1.
  • the print mark reader 9 traverses continuously over the plate cylinder 5 at a preselected speed while the printing plate 6 is being scanned.
  • an angle stepper 14.1 gives reference signs for the output of the measurement in both directions for the position detection.
  • the plate cylinder 5 can rotate step by step or continuously depending on the sensitivity or speed of the measured value acquisition.
  • the movements can also be reversed, i.e. the plate cylinder 5 rotates continuously at the greatest possible speed, while the print mark reader 9 gradually moves axially from the individual ink zones and carries out the ink zone presetting 2 - 2.3 on the printing press 1.
  • the measuring path of the print mark reader 9 is somewhat larger than the zone width in order to be able to link the edge zones in the area of the transitions well.
  • the evaluation of the measured contrasts on the printing plate 6 takes place in the same way with the combinations mentioned above.
  • the measured values are integrated in the circumferential direction in relation to the corresponding position of the color zone width in the computer unit 7.
  • a fixed value memory 7.1 is connected to the computer unit 7 for values that have to be called up for this purpose.
  • a control signal 8 is sent from the computer unit 7 via a
  • Amplifier 8.2 switched to register 2 and color zone 3.
  • the print mark reader 9 scans registration marks 14 which are arranged on the printing plate 6.
  • the angle stepper 14.1 gives reference signals for the output of the measurement in both directions directly to the print mark reader 9.
  • the control signal 8 is switched after the amplifier 8.1 to a peripheral 15, side 16 and a diagonal register drive 17 for setting the register preset 2. All of these listed processes can be carried out simultaneously and directly in the printing press 1. There are no special calibration processes that were inevitable with the densitometers, since the print mark reader 9 automatically determines its optimal working point.
  • control signal 8 runs from the amplifier 8.1 to a ink zone adjustment drive 18 which is connected to a plurality of ink zone screws 10, these being arranged on a duct roller 10.1 in an inking unit of the printing press 1 (not shown in detail).
  • the contrast reader 4 scans the fine areas f axially slower and the coarse areas g faster along the plate cylinder 5.
  • FIG. 5 shows a display 21 for this purpose.
  • the coordinates of the fine and coarse adjustment can be entered in a number field 22 corresponding to the above-mentioned print images.
  • Labeled Individual keys fix the individual commands to the respective coordinates. Displayed on a display panel 23 above the input and output values.
EP83111488A 1983-01-28 1983-11-17 Dispositif de réglage préliminaire pour machines d'impression Expired EP0114957B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111488T ATE34706T1 (de) 1983-01-28 1983-11-17 Vorrichtung zum voreinstellen an druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833302798 DE3302798A1 (de) 1983-01-28 1983-01-28 Vorrichtung zum voreinstellen an druckmaschinen
DE3302798 1983-01-28

Publications (3)

Publication Number Publication Date
EP0114957A2 true EP0114957A2 (fr) 1984-08-08
EP0114957A3 EP0114957A3 (en) 1985-11-13
EP0114957B1 EP0114957B1 (fr) 1988-06-01

Family

ID=6189406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111488A Expired EP0114957B1 (fr) 1983-01-28 1983-11-17 Dispositif de réglage préliminaire pour machines d'impression

Country Status (5)

Country Link
US (1) US4553478A (fr)
EP (1) EP0114957B1 (fr)
JP (1) JPH0829582B2 (fr)
AT (1) ATE34706T1 (fr)
DE (1) DE3302798A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642012A1 (fr) * 1993-09-06 1995-03-08 VIPTRONIC SrL Dispositif et procédé pour des mesures densitométriques et/ou colorimétriques
WO2008049500A2 (fr) * 2006-10-23 2008-05-02 Fischer & Krecke Gmbh Presse rotative et procédé pour ajuster un de ses cylindres
WO2013083722A3 (fr) * 2011-12-07 2013-09-06 Windmöller & Hölscher Dispositif de balayage pour des marques sur un cylindre de machine à imprimer
WO2016028801A3 (fr) * 2014-08-19 2016-04-14 Mark Andy, Inc. Procédé et appareil permettant d'améliorer la fidélité d'images imprimées ou formées par rapport à leur dessin modèle d'origine

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DE3633855A1 (de) * 1986-10-04 1988-04-14 Heidelberger Druckmasch Ag Verfahren und vorrichtung zur passerkorrektur
DE3719766A1 (de) * 1987-06-13 1988-12-22 Heidelberger Druckmasch Ag Registermesssystem
BE1001012A3 (fr) * 1987-10-20 1989-06-13 Minschart Marc Gustave Procede de reperage et de regulation de la mise en registre d'une bande de materiau preimprime.
US5033378A (en) * 1988-01-05 1991-07-23 Komori Corporation Defective print detecting device
DE3811359C2 (de) * 1988-04-02 1994-06-16 Heidelberger Druckmasch Ag Vorrichtung zur Positionierung eines Meßkopfes für Passerabweichungen beim Offsetdruck
DE3914238A1 (de) * 1989-04-29 1990-10-31 Heidelberger Druckmasch Ag Verfahren und anordnung zur steuerung von druckmaschinen
DE4241807A1 (de) * 1992-12-11 1994-06-16 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine
FR2702998B1 (fr) * 1993-03-26 1995-06-16 Cuir Jean Pierre Installation pour l'impression feuille à feuille et ligne d'impression correspondante.
DE4314228C2 (de) * 1993-04-30 2002-02-28 Heidelberger Druckmasch Ag Verfahren und Einrichtung zur Korrektur des Schrägregisters an Druckmaschinen
US5455764A (en) * 1993-09-09 1995-10-03 Sequa Corporation Register control system, particularly for off-line web finishing
US5365847A (en) * 1993-09-22 1994-11-22 Rockwell International Corporation Control system for a printing press
DE4335350A1 (de) * 1993-10-16 1995-04-20 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Ermittlung von Passerabweichungen bei mehrfarbigen, in einer Druckmaschine erstellten Druckprodukten
DE4413736C2 (de) * 1994-04-20 1997-12-18 Heidelberger Druckmasch Ag Verfahren zur Kontrolle der Abnutzung einer Druckform in einer Druckmaschine
US6644184B1 (en) * 1995-02-09 2003-11-11 Man Roland Druckmaschinen Ag Offset printing machine
EP0770480B1 (fr) * 1995-10-25 2001-12-19 Heidelberger Druckmaschinen Aktiengesellschaft Presse à imprimer digitale avec contrôle de registre
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DE10119140A1 (de) * 2000-05-17 2001-11-22 Heidelberger Druckmasch Ag Bedruckstoffbögen verarbeitende Maschine
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US6591746B2 (en) 2001-06-13 2003-07-15 Hurletron, Incorporated Registration system for printing press
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US20100011978A1 (en) * 2006-10-23 2010-01-21 Fischer & Krecke Gmbh & Co. Kg Rotary Printing Press and Method for Adjusting a Cylinder Thereof
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DE102006060464C5 (de) * 2006-12-19 2013-12-24 Bobst Bielefeld Gmbh Verfahren zum Einstellen einer Walze in einer Rotationsdruckmaschine
JP2008105279A (ja) * 2006-10-25 2008-05-08 Mitsubishi Heavy Ind Ltd 見当調整方法および印刷機
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DE202008015780U1 (de) * 2008-11-28 2009-03-19 Saueressig Gmbh + Co. Kg Walzenpaar und Vorrichtung zum Ausrichten eines Walzenpaars
NL2006897C2 (nl) * 2011-06-06 2012-12-10 Av Flexologic Bv Werkwijze en inrichting voor het in zijn registerpositie plaatsen van een drukplaat.
DK3271176T3 (da) * 2015-03-20 2022-06-13 Bobst Firenze S R L Apparat og fremgangsmåde til montering af en trykplade på en trykbærer
DK3738773T3 (da) 2019-05-09 2022-10-31 Heidelberger Druckmasch Ag Apparat til udmåling af forhøjninger på overfladen af et omdrejningslegeme
EP3988306A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Dispositif de mesure des élévations de la surface d'un corps rotatif
EP3988305A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, machine d'impression flexographique, système et manchon pour une forme d'impression flexographique
DE102021125087A1 (de) 2020-10-22 2022-04-28 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zum Betreiben einer Flexodruckmaschine, Flexodruckmaschine, System, Flexodruckform und Hülse für eine Flexodruckform
DK3988307T3 (da) 2020-10-22 2023-06-19 Heidelberger Druckmasch Ag Fremgangsmåde til at drive en flexografimaskine samt flexografimaskine og system omfattende en flexografimaskine og en måleindretning til måling af punkttætheden i en flexografiform eller -muffe
EP3988309A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, machine d'impression flexographique, système et manchon
DE102021125382A1 (de) 2020-10-22 2022-04-28 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung zum Vermessen von einer Oberfläche, oder deren Erhebungen, eines Rotationskörpers und System
EP3988313A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Dispositif de mesure du bossage de la surface d'un corps rotatif et système

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GB2073663A (en) * 1980-04-10 1981-10-21 Polygraph Leipzig Control means for a setting element
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642012A1 (fr) * 1993-09-06 1995-03-08 VIPTRONIC SrL Dispositif et procédé pour des mesures densitométriques et/ou colorimétriques
WO2008049500A2 (fr) * 2006-10-23 2008-05-02 Fischer & Krecke Gmbh Presse rotative et procédé pour ajuster un de ses cylindres
WO2008049500A3 (fr) * 2006-10-23 2008-09-18 Fischer & Krecke Gmbh & Co Kg Presse rotative et procédé pour ajuster un de ses cylindres
US8534194B2 (en) 2006-10-23 2013-09-17 Bobst Bielefeld Gmbh Rotary printing press and method for adjusting a cylinder thereof
WO2013083722A3 (fr) * 2011-12-07 2013-09-06 Windmöller & Hölscher Dispositif de balayage pour des marques sur un cylindre de machine à imprimer
WO2016028801A3 (fr) * 2014-08-19 2016-04-14 Mark Andy, Inc. Procédé et appareil permettant d'améliorer la fidélité d'images imprimées ou formées par rapport à leur dessin modèle d'origine

Also Published As

Publication number Publication date
JPS59187857A (ja) 1984-10-25
JPH0829582B2 (ja) 1996-03-27
US4553478A (en) 1985-11-19
EP0114957B1 (fr) 1988-06-01
DE3302798A1 (de) 1984-08-02
DE3302798C2 (fr) 1987-03-05
ATE34706T1 (de) 1988-06-15
EP0114957A3 (en) 1985-11-13

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