EP0140056B1 - Preadjusting device for a printing press - Google Patents

Preadjusting device for a printing press Download PDF

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Publication number
EP0140056B1
EP0140056B1 EP84110610A EP84110610A EP0140056B1 EP 0140056 B1 EP0140056 B1 EP 0140056B1 EP 84110610 A EP84110610 A EP 84110610A EP 84110610 A EP84110610 A EP 84110610A EP 0140056 B1 EP0140056 B1 EP 0140056B1
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EP
European Patent Office
Prior art keywords
printing
data
printing press
plate
reading
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.)
Expired
Application number
EP84110610A
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German (de)
French (fr)
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EP0140056A2 (en
EP0140056A3 (en
Inventor
Harry M. Dr.-Ing. Greiner
Hermann Dipl.-Ing. Fischer
Claus Dipl.-Ing. Simeth
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Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT84110610T priority Critical patent/ATE34939T1/en
Publication of EP0140056A2 publication Critical patent/EP0140056A2/en
Publication of EP0140056A3 publication Critical patent/EP0140056A3/en
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Publication of EP0140056B1 publication Critical patent/EP0140056B1/en
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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/46—Printing operation controlled by code indicia on printing plate or substate

Definitions

  • the invention relates to a device for controlling the printing process in a printing press based on the measurements of a reading device which scans the on a printing plate carrier on a tensioned printing plate, which has at least one information bar containing information data in its print image-free area not covered by the printing material, on or after Production of the printing plate, information carriers can be applied, the work bar and the information carrier being readable and storable by means of reading devices within the printing press.
  • a device of this type is known from GB-A-1 381 270.
  • the areas of the work bars containing this information data are at the expense of the areas available for the printing process or are quickly soiled.
  • measuring methods which measure a plate lying flat on a table or a plate mounted on a cylinder outside the machine with a large number of measuring heads and the measured area coverage values between memories and in a further operation by means of different data carriers on the adjustment mechanism of the ink fountain key transfer.
  • a plate cylinder for a rotary offset printing machine with a device for zone-wise scanning of the plate ink has become known.
  • the coloring in the individual color zones is determined with the help of a densitometric measuring device during the rotation of the plate cylinder over the entire circumference thereof.
  • 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, the dampening system, the 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.
  • devices are to be provided, among other things, with which the necessary mechanical adjustments depending on the data entered are predetermined.
  • presetting parameters such as printing press, print product, printing area and workflow can be entered.
  • the invention has for its object to achieve the storage and retrieval of printing process, control and organizational data for monitoring and keeping the printing process constant from a print-related data carrier during standstill and machine run to shorten the dead time of the printing press.
  • the solution of the problem is achieved in a device of the type mentioned above in that the printing plate is arranged in an offset printing machine on the plate cylinder in the cylinder circumferential direction so that the work bar outside the printing area but within the area overrun by the ink and damp applications is located.
  • the work bar with information data is arranged in the area of the ink and dampening rollers rolled over by the plate cylinder, the work bar always remains legible for the reading devices.
  • the printing plate has a work bar with information data in the area free of the printed image and not covered by the printing material.
  • the work bar is arranged in an area on the pressure plate, i.e. the printing plate is a print image memory. Light dust particles that can occur during machine operation are removed in the above-mentioned manner.
  • Machine presetting data such as: print delivery, format adjustment on the feeder, side mark, front mark, belt, blow air, gripper, sheet brake, blow rake, side straight pushers, stack lowering, palletizing device, sheet counter pollinator, drying device, paper tensioning device Friction stroke Ink knife screw, or slide, ductor, squeegee strip, siphon stroke, dampening unit, water volume, dampening solution composition setting.
  • Data for monitoring the printing process such as: ink control, fountain solution control, maximum number of prints to be carried out with the printing form.
  • a large amount of data for monitoring the printing process is known before the machine starts up and is supplied by the individual departments to the machine, e.g. B.
  • the IT department supplies organizational data from plate copies, provided plate pre-scanning devices are available using plate scanners, for presetting values of ink fountain keys.
  • the zone for the work bar on sheetfed offset presses is approx. 2-5 mm behind the start of the format.
  • the work bar can also be copied to the end of the print, then the work bar also starts approx. 2-5 mm behind the processing format edge, since the dirt running from the rear edge of the sheet to the print image storage will otherwise contaminate or destroy the work bar.
  • the coding of the work bar is done according to the well-known standard codes. The coding is written in such a way that each command has a unique address and therefore it does not matter from which direction the toolbar is read into the microcomputer.
  • the work bar has an information carrier that can be attached according to the manufacturing process of the printing plate.
  • the information carrier can, for. B. be a magnetic card or the area of the printing plate is magnetizable or the information carrier is a punched card.
  • commands or controls even after the printing plate has been produced, can be applied or read onto the latter.
  • the reading unit consisting of a line mark reader, is arranged on an axially traversing common receptacle, parallel to the printing form carrier. A feedback of the axial position of the reading unit to the microcomputer is not necessary since the address of the corresponding command is always read. A precisely positioned (x; y) assignment of the data for presetting and process monitoring is therefore not necessary. In contrast to the previously known drive mechanisms, a simple, inexpensive construction can therefore be selected.
  • the ink and damp film is scanned, which is present after the last splitting before the transfer cylinder, without the influence of contaminants from the printed product.
  • the printing press is equipped with an electronic circuit, which allows the data on the work bar to be a) read into the process computer or evaluation unit by hand; the print image memory, i.e. the printing plate, can be located inside or outside the machine, b) when it is stationary Machine to be read by machine and by hand, c) machine to be read in while the machine is running and d) machine to be read in during process printing for process monitoring.
  • the print image memory i.e. the printing plate
  • the known data carriers can be omitted by applying the work bar to the pressure plate. A previously dead space on the printing plate is used
  • the printing plate 1 shows a section of the printing plate 1, which is arranged on a plate cylinder, not shown, of a printing press 7.
  • the printing plate 1 has an initial section which is not or is partially overrun by the ink and dampening rollers.
  • an area over which the inking and dampening rollers roll, in which a work bar 2 is located follows up to the start of printing.
  • a Dashed line ends the free space on the printing plate 1 not previously used for the printing process.
  • the working bar 2 extends across the entire area of the printing plate 1.
  • the information carrier 6 can e.g. B. be a magnetic area on the printing plate 1, which can be read with a read head 13, for. B.
  • a magnetic head In the work bar 2 is a code that can be read by means of a line marker reader 10 or two line marker readers 10, both of which are fastened in a receptacle 12. Another variation can be selected by means of a contrast reader 8 in certain readout situations. Another possibility of reading the work bar 2 can be done via a manually operated reader 9.
  • a further work bar 2.1 can, however, also be arranged in the lateral end regions of the printing plate 1, which can be read out with a fixed line mark reader 10.1 and reading head 13.1.
  • Copying one or more work bars 2 onto the non-printing zones of the printing plate 1 is possible depending on the amount of data.
  • the work bar 2 does not generate a print image on the printed product.
  • the printing plate 1 is thus used in a dead area, the free space previously not used by the printing. There is no risk of confusion between the different print jobs in the print shop.
  • a multifunctional use of the information content of the work bar 2 and the information carrier 6 for controlling organizational processes and machine presettings for printing processes is thus possible.
  • the different data are divided into three groups: organizational data, machine presetting data and data for monitoring the printing process.
  • a direct feedback system during printing can be carried out via the work bar 2 and the line mark reader 10, whereby a direct control or regulation of the printing process is achieved.
  • the printing plate 1, work bar 2 and information carrier 6 together are a print image memory 1.1.
  • Fig. 2 the two ways of reading the work bar 2 and information carrier 6 are shown in a flow chart.
  • the data are read into a central data acquisition by means of the above-mentioned devices 8 and 10 a) outside the printing press, b) inside the printing press.
  • the possibility of reading data during production leads to the printing process monitoring or printing process control processes.
  • the printing process control processes are summarized in a central data acquisition.
  • the data reading device when the machine is at a standstill mainly concerns information for the printer, such as basic machine settings, work preparations, scheduling and machine allocation.
  • the data that are read outside the machine by the work bar 2 or the information carrier 6 also apply to the individual function groups, such as material procurement, information for the printer, this information being able to be optimally compared with the data reading while the machine is running.
  • the basic settings of the machine, work preparation, scheduling, machine assignment have similar effects. This data can all be compared during the machine run with the data given on the printing plate, so that there is a constant control.

Abstract

A job strip encoding printing process data is disposed on an indicia-free zone of an associated printing plate. The printing process data include process control data, press presetting data and organization data for the entire print order using the associated printing plate. Preferably, all of the important printing adjustments are computer controlled and the printing machine includes a scanner for automatically reading the job strip when the printing plate is clamped onto the plate cylinder of the printing machine. The job strip is not integral with the printing plate so that the printing process data are easily changed. The job strip, however, is attached to the printing plate and therefore the printing process data and associated printing plates are not mixed up in the print shop. The job strip is elongated and aligned parallel and adjacent to a longitudinal edge portion of the printing plate which is clamped to the plate cylinder. The job strip is circumferentially displaced from but located close to the area of the printing plate which is capable of printing and which engages the blanket cylinder, so that the inking rollers roll over the job strip during printing to keep it clean for scanning.

Description

Die Erfindung betrifft eine Vorrichtung zur Steuerung des Druckprozesses in einer Druckmaschine aufgrund der Messungen eines Lesegerätes, das die auf einem Druckformträger auf gespannte Druckplatte abtastet, die in ihrem druckbildfreien, nicht vom Bedruckstoff abgedeckten Bereich mindestens eine Informationsdaten beinhaltende Arbeitsleiste aufweist, auf die bei oder nach Herstellung der Druckplatte Informationsträger aufbringbar sind, wobei die Arbeitsleiste und der Informationsträger mittels Lesegeräten innerhalb der Druckmaschine lesbar und speicherbar ist.The invention relates to a device for controlling the printing process in a printing press based on the measurements of a reading device which scans the on a printing plate carrier on a tensioned printing plate, which has at least one information bar containing information data in its print image-free area not covered by the printing material, on or after Production of the printing plate, information carriers can be applied, the work bar and the information carrier being readable and storable by means of reading devices within the printing press.

Eine Vorrichtung dieser Gattung ist durch die GB-A-1 381 270 bekannt. Die Bereiche der diese Informationsdaten beinhaltenden Arbeitsleisten gehen zu Lasten der für den Druckprozeß zur Verfügung stehenden Bereiche oder sind schnell verschmutzt.A device of this type is known from GB-A-1 381 270. The areas of the work bars containing this information data are at the expense of the areas available for the printing process or are quickly soiled.

Bekanntlich werden Daten zur Steuerung des Druckprozesses auf den verschiedensten Datenträgern an die Maschine geliefert. Für den Drucker an der Druckmaschine sowie die Folgeorganisation entsteht ein erheblicher Arbeitsaufwand diese Daten zu bearbeiten und zu aktualisieren. Ferner erfordert der dazugehörige Datenauftragsablauf und Organisationsaufwand optimale Terminisierung, da die für die Erledigung des Kundenauftrags erforderlichen Daten erst an der Maschine zusammenlaufen und hier, wenn es zu Verzögerungen kommt, der größte finanzielle Verlust eintritt, da bekanntlich in der Kette der Erledigung des Kundenauftrages die Druckmaschine den höchsten Stundensatz aufweist.As is known, data for controlling the printing process are supplied to the machine on a wide variety of data carriers. For the printer at the printing press and the subsequent organization, there is a considerable amount of work involved in processing and updating this data. Furthermore, the associated data order process and organizational effort require optimal scheduling, since the data required to complete the customer order only come together on the machine and, if there are delays, the greatest financial loss occurs because, as is well known, the printing machine is in the chain of completing the customer order has the highest hourly rate.

Andere bekannte Vorrichtungen und Verfahren benutzen den Andruckbogen bzw. einen bedruckten Bogen zum Ausmessen, um daraus eine Voreinstellung der Farbzonenschrauben ableiten zu können.Other known devices and methods use the pressure sheet or a printed sheet to measure in order to derive a presetting of the ink fountain keys.

Abfühlungen über Filmvorlagen haben sich wegen zu hoher Ungenauigkeiten nicht bewährt.Feelings about film templates have not proven themselves due to excessive inaccuracies.

Weiterhin sind Meßverfahren bekannt geworden, welche mit einer großen Anzahl von Meßköpfen eine auf einem Tisch plan aufliegende Platte oder eine auf einem Zylinder aufgezogene Platte außerhalb der Maschine ausmessen und die gemessenen Flächendeckungswerte zwischen Speichern und in einem weiteren Arbeitsgang mittels unterschiedlicher Datenträger auf den Einstellmechanismus der Farbzonenschrauben übertragen.Furthermore, measuring methods have become known which measure a plate lying flat on a table or a plate mounted on a cylinder outside the machine with a large number of measuring heads and the measured area coverage values between memories and in a further operation by means of different data carriers on the adjustment mechanism of the ink fountain key transfer.

Diese unterschiedlichen verfahren weisen eine Umständlichkeit auf, sowie einen Mangel an Informationsdaten für die Auftragssteuerung die mit einer Fehleranfälligkeit der Einzelkomponenten verbunden ist. Die damit erzielte Genauigkeit der Voreinstellung ist aus diesen Gründen nicht sehr groß.These different processes are cumbersome, as well as a lack of information data for the job control, which is associated with the susceptibility of the individual components to errors. For this reason, the accuracy of the presetting achieved with this is not very great.

Aus der FR-PS-1 519 883 ist ein Plattenzylinder für eine Rotations-Offsetdruckmaschine mit einer Vorrichtung zum zonenweisen Abtasten der Platteneinfärbung bekannt geworden. Hier wird die Einfärbung in den einzelnen Farbzonen mit Hilfe eines densitometrischen Meßgerätes während der Rotation des Plattenzylinders über den gesamten Umfang desselben ermittelt.From FR-PS-1 519 883, a plate cylinder for a rotary offset printing machine with a device for zone-wise scanning of the plate ink has become known. Here the coloring in the individual color zones is determined with the help of a densitometric measuring device during the rotation of the plate cylinder over the entire circumference thereof.

In der DE-OS-2 922 964 ist ein System zur Druckpressenvorbereitung und -steuerung bekannt geworden. Die Voreinstellung betrifft hierbei hauptsächlich das Farbwerk, die Feuchtführung, das Feucht- und Falzwerk. Aufgabe soll es sein, ein System zu schaffen, mit dem automatisch die genannten mechanischen Teile einer Druckpresse voreingestellt und weiter eingeregelt werden können. Hierzu sollen unter anderem Einrichtungen vorgesehen sein, mit denen die notwendigen mechanischen Einregulierungen in der Abhängigkeit von eingegebenen Daten vorbestimmt werden. Zur Voreinstellung sind Parameter wie Druckpresse, Druckerzeugnis, Druckbereich und Arbeitsablauf eingebbar.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, the dampening system, the 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. For this purpose, devices are to be provided, among other things, with which the necessary mechanical adjustments depending on the data entered are predetermined. For presetting, parameters such as printing press, print product, printing area and workflow can be entered.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, das Ablegen und Abrufen von Druckprozeß-, Steuerungs- und Organisationsdaten zur Überwachung und Konstanthaltung des Druckprozesses von einem druckbezogenen Datenträger während des Stillstandes und Maschinenlaufes zur Verkürzung der Totzeit der Druckmaschine zu erreichen.Based on this prior art, the invention has for its object to achieve the storage and retrieval of printing process, control and organizational data for monitoring and keeping the printing process constant from a print-related data carrier during standstill and machine run to shorten the dead time of the printing press.

Die Lösung der gestellten Aufgabe wird bei einer Vorrichtung der eingangs genannten Art dadurch erreicht, daß die Druckplatte in einer Offsetdruckmaschine auf dem Plattenzylinder in Zylinderumfangsrichtung gesehen so angeordnet ist, daß die Arbeitsleiste außerhalb des druckenden Bereichs aber innerhalb des von den Farb- und Feuchtauftragen überrollten Bereichs gelegen ist.The solution of the problem is achieved in a device of the type mentioned above in that the printing plate is arranged in an offset printing machine on the plate cylinder in the cylinder circumferential direction so that the work bar outside the printing area but within the area overrun by the ink and damp applications is located.

Da die Arbeitsleiste mit Informationsdaten im Bereich der vom Plattenzylinder überrollten Farb-und Feuchtwalzen angeordnet ist, bleibt die Arbeitsleiste immer für die Lesegeräte lesbar.Since the work bar with information data is arranged in the area of the ink and dampening rollers rolled over by the plate cylinder, the work bar always remains legible for the reading devices.

Die Druckplatte weist in dem druckbildfreien nicht vom Bedruckstoff abgedeckten Bereich eine Arbeitsleiste mit Informationsdaten auf. Die Arbeitsleiste ist in einem Bereich auf der Druckplatte angeordnet, d.h. die Druckplatte ist ein Druckbildspeicher. Leichte Staubpartikel die während des Maschinenlaufes anfallen können, werden auf oben genannte Weise beseitigt.The printing plate has a work bar with information data in the area free of the printed image and not covered by the printing material. The work bar is arranged in an area on the pressure plate, i.e. the printing plate is a print image memory. Light dust particles that can occur during machine operation are removed in the above-mentioned manner.

In der Arbeitsleiste sind Informationsdaten, wie z. B. Organisationsdaten:In the work bar are information data, such as B. Organizational data:

Kundennahme, Kundennummer, Kostenstelle, Papiersorte, Auftragsnummer, Auflagenhöhe, Farbtype, spezielle Farbe, Plattenart usw. vorgesehen.Customer name, customer number, cost center, paper type, order number, print run, color type, special color, plate type etc. provided.

Maschinenvoreinstelldaten, wie: Druckbeistellung, Formateinstellung am Anleger, Seitenmarken-, Vordermarken-, Bänder-, Blasluft-, Greifer-, Bogenbrems-, Blasrechen-, seitliche Geradstoßer-, Stapelsenkungs-, Palettiereinrichtungs-, Bogenzähleinrichtungs-Bestäuber, Trockeneinrichtungs-, Papierspannungs-, Reiberhub-, Farbmesserschrauben-, bzw. Schieber-, Duktor-, Heberstreifen-, Hebertakt-, Feuchtwerk-, Wassermengen-, Feuchtmittelzusammensetzungs-Einstellung.Machine presetting data, such as: print delivery, format adjustment on the feeder, side mark, front mark, belt, blow air, gripper, sheet brake, blow rake, side straight pushers, stack lowering, palletizing device, sheet counter pollinator, drying device, paper tensioning device Friction stroke Ink knife screw, or slide, ductor, squeegee strip, siphon stroke, dampening unit, water volume, dampening solution composition setting.

Daten zur Überwachung des Druckprozesses, wie: Farbführung, Feuchtmittelführung, maximale Anzahl der mit der Druckform auszuführenden Drucke.Data for monitoring the printing process, such as: ink control, fountain solution control, maximum number of prints to be carried out with the printing form.

Eine große Anzahl von Daten zur Überwachung des Druckprozesses sind vor dem Anlaufen der Maschine bekannt und werden von den einzelnen Abteilungen an die Maschine geliefert, z. B. die EDV-Abteilung liefert Organisationsdaten von Plattencopies, sofern Plattenvorabtasteinrichtungen mittels Plattenscanner vorhanden sind, für Voreinstellwerte von Farbzonenschrauben.A large amount of data for monitoring the printing process is known before the machine starts up and is supplied by the individual departments to the machine, e.g. B. the IT department supplies organizational data from plate copies, provided plate pre-scanning devices are available using plate scanners, for presetting values of ink fountain keys.

Diese Vielzahl von Daten sind in der Arbeitsleiste auf der Druckplatte gespeichert. Der Drucker muß nun nicht mehr die verschiedensten Datenträger zur Ausführung eines Druckes an einer Maschine organisatorisch zusammenführen. Das heißt, häufige Rückfragen, Stillstandszeiten und Mißverständnisse innerhalb einer Druckerei können nicht mehr vorkommen, da all die Daten, die für die Organisation und Voreinstellung der Maschine und Prozeßüberwachung benötigt werden auf einem Datenträger zusammengefaßt sind.This large amount of data is stored in the work bar on the printing plate. The printer no longer has to organize the various data carriers to carry out a print on a machine. This means that frequent queries, downtimes and misunderstandings within a print shop can no longer occur, since all the data required for the organization and pre-setting of the machine and process monitoring are summarized on one data carrier.

Die Zone für die Arbeitsleiste bei Bogenoffsetmaschinen ist ca. 2-5 mm hinter dem Formatanfang angeordnet. Die Arbeitsleiste kann aber auch an das Druckende kopiert werden, dann beginnt die Arbeitsleiste ebenfalls ca. 2-5 mm hinter der verarbeitenden Formatkante, da der von der Bogenhinterkante zum Druckbildspeicher hochlaufende Schmutz sonst die Arbeitsleiste verunreinigt bzw. zerstört. Die Codierung der Arbeitsleiste erfolgt nach den bekannten handelsüblichen genormten Codierungen. Die Codierung ist so abgefaßt, daß zu jedem Befehl eine eindeutige Adresse gehört und daher kommt es nicht darauf an, von welcher Richtung die Arbeitsleiste in den Mikrocomputer eingelesen wird.The zone for the work bar on sheetfed offset presses is approx. 2-5 mm behind the start of the format. The work bar can also be copied to the end of the print, then the work bar also starts approx. 2-5 mm behind the processing format edge, since the dirt running from the rear edge of the sheet to the print image storage will otherwise contaminate or destroy the work bar. The coding of the work bar is done according to the well-known standard codes. The coding is written in such a way that each command has a unique address and therefore it does not matter from which direction the toolbar is read into the microcomputer.

Die Arbeitsleiste weist eine nach dem Herstellungsverfahren der Druckplatte anbringbare Informationsträger auf. Der Informationsträger kann z. B. eine Magnetkarte sein oder der Bereich der Druckplatte ist magnetisierbar oder der Informationsträger ist eine Lochkarte. Auf diese Art und Weise können Befehle bzw. Steuerungen, auch nach Herstellung der Druckplatte, auf diese aufgebracht oder eingelesen werden. Die Leseeinheit, bestehend aus Strichmarkenleser ist auf einer axial traversierenden gemeinsamen Aufnahme, parallel zum Druckformenträger, angeordnet. Eine Rückmeldung der axialen Position der Leseeinheit an den Mikrocomputer ist nicht erforderlich, da die Adresse des entsprechenden Befehls immer mitgelesen wird. Eine genau positionierte (x;y) Zuordnung der Daten für die Voreinstellung und Prozeßüberwachung ist daher nicht erforderlich. Es kann daher im Gegensatz zu den bisher bekannten Antriebsmechanismen eine einfache, preiswerte Konstruktion gewählt werden.The work bar has an information carrier that can be attached according to the manufacturing process of the printing plate. The information carrier can, for. B. be a magnetic card or the area of the printing plate is magnetizable or the information carrier is a punched card. In this way, commands or controls, even after the printing plate has been produced, can be applied or read onto the latter. The reading unit, consisting of a line mark reader, is arranged on an axially traversing common receptacle, parallel to the printing form carrier. A feedback of the axial position of the reading unit to the microcomputer is not necessary since the address of the corresponding command is always read. A precisely positioned (x; y) assignment of the data for presetting and process monitoring is therefore not necessary. In contrast to the previously known drive mechanisms, a simple, inexpensive construction can therefore be selected.

Des weiteren können durch ein örtlich von den Maschinen unabhängiges Lesen der Arbeitsleiste, z. B. mittels eines Lesegerätes, die Voreinstellung der Maschine, die Papierbeschaffung, die Auftragsdatenerfassung und die organisatorischen Abläufe in Gang gesetzt werden. Eine rückwirkende Kontrolle findet automatisch statt, wenn der Druckbildspeicher in die Maschine eingebaut und nochmals gelesen wird. Weitere Merkmale der Erfindung sind, daß eine Auswerteeinheit bzw. ein Prozeßrechner der Leseeinheit nachgeschaltet ist, der die Anweisung und Befehle umsetzt und diese an den Bediener, an die entsprechenden Stellmotoren der Maschine oder einen Monitor weiterleitet. Weiterhin ist zur Verarbeitung der Voreinstelldaten, z. B. die der Farbzonenvoreinstellung, keine weitere Regeleinrichtung an der Maschine nötigt.Furthermore, reading the work bar, e.g. B. by means of a reading device, the pre-setting of the machine, the paper procurement, the order data acquisition and the organizational processes. A retrospective check takes place automatically when the print image memory is installed in the machine and read again. Further features of the invention are that an evaluation unit or a process computer is connected downstream of the reading unit, which implements the instructions and commands and forwards them to the operator, to the corresponding servomotors of the machine or to a monitor. Furthermore, for processing the preset data, e.g. B. the ink zone presetting, no further control device on the machine required.

Zur Druckprozeßüberwachung bei laufender Maschine wird der Farb- und Feuchtfilm abgetastet, der nach der letzten Spaltung vor dem Übertragzylinder, ohne Einfluß von Verunreinigungen durch das Druckerzeugnis, vorhanden ist.To monitor the printing process while the machine is running, the ink and damp film is scanned, which is present after the last splitting before the transfer cylinder, without the influence of contaminants from the printed product.

Die Druckmaschine ist mit einer elektronischen Schaltung ausgerüstet, die es erlaubt, die auf der Arbeitsleiste befindlichen Daten a) von Hand in den Prozeßrechner oder Auswerteeinheit einzulesen, hierbei kann sich der Druckbildspeicher, also die Druckplatte innerhalb oder außerhalb der Maschine befinden, b) bei stehender Maschine maschinell und von Hand einzulesen, c) bei laufender Maschine maschinell einzulesen und d) während des Fortdrucks zur Prozeßüberwachung maschinell einzulesen.The printing press is equipped with an electronic circuit, which allows the data on the work bar to be a) read into the process computer or evaluation unit by hand; the print image memory, i.e. the printing plate, can be located inside or outside the machine, b) when it is stationary Machine to be read by machine and by hand, c) machine to be read in while the machine is running and d) machine to be read in during process printing for process monitoring.

Durch Aufbringung der Arbeitsleiste auf die Druckplatte können die bekannten Datenträger weggelassen werden. Ein bisher toter Raum auf der Druckplatte wird genutztThe known data carriers can be omitted by applying the work bar to the pressure plate. A previously dead space on the printing plate is used

Es zeigt:

  • Fig. 1 verschiedene Anordnungen der Arbeitsleisten auf der Druckplatte mit unterschiedlichen Leseeinrichtungen,
  • Fig. 2 ein Flußschema der Verwendung der Arbeitsleiste und das Einlesen der Daten außerhalb und innerhalb der Maschine,
  • Fig. 3 eine Aufteilung der unterschiedlichen Daten innerhalb der Arbeitsleiste.
It shows:
  • 1 different arrangements of the work strips on the printing plate with different reading devices,
  • 2 shows a flow diagram of the use of the work bar and the reading of the data outside and inside the machine,
  • Fig. 3 shows a division of the different data within the work bar.

Die Fig. 1 zeigt einen Abschnitt der Druckplatte 1, der auf einem nicht dargestellten Plattenzylinder einer Druckmaschine 7 angeordnet ist. Die Druckplatte 1 weist ausgehend vom Bereich der Aufnahmehalterung einen Anfangsabschnitt auf, der von den Farb-und Feuchtwalzen nicht, bzw. teilweise überrollt wird. Nach diesem Anfangsabschnitt der Druckplatte 1 folgt bis zum Druckanfang ein von den Farb- und Feuchtwalzen überrollter Bereich, in dem sich eine Arbeitsleiste 2 befindet. Eine strichlierte Linie beendet den für den Druckprozeß bisher nicht genutzten Freiraum auf der Druckplatte 1. Die Arbeitsleiste 2 erstreckt sich quer über den gesamten Bereich der Druckplatte 1. In der Arbeitsleiste 2 befindet sich ein Informationsträger 6. Der Informationsträger 6 kann z. B. ein magnetischen Bereich auf der Druckplatte 1 sein, der mit einem Lesekopf 13 ausgelesen werden kann, z. B. einen Magnetkopf In der Arbeitsleiste 2 befindet sich eine Codierung, die mittels eines Strichmarkenlesers 10 oder zwei Strichmarkenlesern 10, die beide in einer Aufnahme 12 befestigt sind, ausgelesen werden kann. Eine andere Variation kann mittels eines Kontrastlesegerätes 8 bei bestimmten Auslesesituationen gewählt werden. Eine weitere Möglichkeit des Lesens der Arbeitsleiste 2 kann über ein von Hand bedienbares Lesegerät 9 erfolgen. Eine weitere Arbeitsleiste 2.1 kann aber auch in den seitlichen Endbereichen der Druckplatte 1 angeordnet sein, die mit feststehenden Strichmarkenleser 10.1 und Lesekopf 13.1 ausgelesen werden können.1 shows a section of the printing plate 1, which is arranged on a plate cylinder, not shown, of a printing press 7. Starting from the area of the mounting bracket, the printing plate 1 has an initial section which is not or is partially overrun by the ink and dampening rollers. After this initial section of the printing plate 1, an area over which the inking and dampening rollers roll, in which a work bar 2 is located, follows up to the start of printing. A Dashed line ends the free space on the printing plate 1 not previously used for the printing process. The working bar 2 extends across the entire area of the printing plate 1. In the working bar 2 there is an information carrier 6. The information carrier 6 can e.g. B. be a magnetic area on the printing plate 1, which can be read with a read head 13, for. B. a magnetic head In the work bar 2 is a code that can be read by means of a line marker reader 10 or two line marker readers 10, both of which are fastened in a receptacle 12. Another variation can be selected by means of a contrast reader 8 in certain readout situations. Another possibility of reading the work bar 2 can be done via a manually operated reader 9. A further work bar 2.1 can, however, also be arranged in the lateral end regions of the printing plate 1, which can be read out with a fixed line mark reader 10.1 and reading head 13.1.

Bei der Verwendung der Druckplatte 1 als Druckbildspeicher 1.1 mit der Arbeitsleiste 2 und Informationsträger 6 ergeben sich folgende Möglichkeiten.

  • I) Druckplatte 1 ist in der Druckmaschine 7 aufgespannt,
    • a) lesen im Lauf der Maschine,
    • b) lesen bei stehender Maschine

    mit dem Kontrastlesegerät 8, dem Strichmarkenleser 10 oder dem Lesekopf 13.
  • 11) Druckplatte 1 ist nicht in der Druckmaschine 7 aufgespannt und kann mit einem außerhalb der Druckmaschine 7 beweglichen Lesegerät 9 ausgelesen werden.
  • 111) Die Informationen die erst nach dem Herstellen der Druckplatte bekannt geworden sind, werden in dem Informationsträger 6 der Arbeitsleiste 2 nachträglich aufgebracht (magnetisierte Datenträger, stempeln usw.).
When using the printing plate 1 as a print image memory 1.1 with the work bar 2 and information carrier 6, the following options result.
  • I) printing plate 1 is clamped in the printing press 7,
    • a) read in the course of the machine,
    • b) read with the machine stopped

    with the contrast reader 8, the line mark reader 10 or the reading head 13.
  • 11) Printing plate 1 is not clamped in the printing press 7 and can be read out with a reading device 9 which is movable outside the printing press 7.
  • 111) The information which only became known after the printing plate has been produced is subsequently applied in the information carrier 6 of the work bar 2 (magnetized data carriers, stamping, etc.).

Ein Mitkopieren ein oder mehrerer Arbeitsleisten 2 auf die nicht druckenden Zonen der Druckplatte 1 ist je nach Datenmenge möglich. Die Arbeitsleiste 2 erzeugt kein Druckbild auf dem Druckerzeugnis. Die Druckplatte 1 wird damit in einem toten Bereich, des bisher vom Druck nicht genutzten Freiraumes, genutzt. Eine Verwechselungsgefahr der verschiedenen Druckaufträge in der Druckerei kann nicht auftreten. Ein multifunktionaler Gebrauch des Informationsgehaltes der Arbeitsleiste 2 und des Informationsträgers 6 zur Steuerung von Organisationsabläufen, Maschinenvoreinstellungen bei Druckprozessen ist damit möglich. Die Aufteilung der unterschiedlichen Daten erfolgt, wie oben genannt, in drei Gruppen: Organisationsdaten, Maschinenvoreinstelldaten, sowie Daten zur Überwachung des Druckprozesses. Ein direktes Rückkopplungssystem während des Druckes kann über die Arbeitsleiste 2 und den Strichmarkenleser 10 erfolgen, womit eine direkte Steuerung bzw. Regelung des Druckprozesses erreicht wird. Die Druckplatte 1, Arbeitsleiste 2 und Informationsträger 6 sind zusammen ein Druckbildspeicher 1.1.Copying one or more work bars 2 onto the non-printing zones of the printing plate 1 is possible depending on the amount of data. The work bar 2 does not generate a print image on the printed product. The printing plate 1 is thus used in a dead area, the free space previously not used by the printing. There is no risk of confusion between the different print jobs in the print shop. A multifunctional use of the information content of the work bar 2 and the information carrier 6 for controlling organizational processes and machine presettings for printing processes is thus possible. As mentioned above, the different data are divided into three groups: organizational data, machine presetting data and data for monitoring the printing process. A direct feedback system during printing can be carried out via the work bar 2 and the line mark reader 10, whereby a direct control or regulation of the printing process is achieved. The printing plate 1, work bar 2 and information carrier 6 together are a print image memory 1.1.

In der Fig. 2 sind die zwei Möglichkeiten des Lesens der Arbeitsleiste 2 und Informationsträgers 6 in einem Flußdiagramm dargestellt. Die Daten werden mittels den obengenannten Geräten 8 und 10 in eine zentrale Datenerfassung eingelesen a) außerhalb der Druckmaschine, b) innerhalb der Druckmaschine. In der Druckmaschine gibt es hierbei zwei Zustände, den Zustand während des Fortdruckes und den Zustand im Stillstand der Maschine. Die Möglichkeit der Dateneinlesung während des Fortdruckes führt zu den Druckprozeßüberwachungs- bzw. den Druckprozeßregelungsvorgängen. Die Druckprozeßregelungsvorgänge werden in einer zentralen Datenerfassung zusammengefaßt. Die Datenleseeinrichtung im Stillstand der Maschine betrifft in der Hauptsache Informationen für den Drucker, wie Grundeinstellungen der Maschine, Arbeitsvorbereitungen, Terminsteuerung und Maschinenbelegung.In Fig. 2, the two ways of reading the work bar 2 and information carrier 6 are shown in a flow chart. The data are read into a central data acquisition by means of the above-mentioned devices 8 and 10 a) outside the printing press, b) inside the printing press. There are two states in the printing press, the state during production and the state when the press is at a standstill. The possibility of reading data during production leads to the printing process monitoring or printing process control processes. The printing process control processes are summarized in a central data acquisition. The data reading device when the machine is at a standstill mainly concerns information for the printer, such as basic machine settings, work preparations, scheduling and machine allocation.

Die Daten, die außerhalb der Maschine von der Arbeitsleiste 2 gelesen werden bzw. dem Informationsträger 6, gelten ebenfalls für die einzelnen Funktionsgruppen, wie Materialbeschaffung, Information für den Drucker, wobei diese Informationen mit dem Datenlesen beim Lauf der Maschine optimal verglichen werden können. Ähnliche Auswirkungen haben die Grundeinstellung der Maschine, Arbeitsvorbereitung, Terminsteuerung, Maschinenbelegung. Diese Daten können alle während des Maschinenlaufs mit den auf der Druckplatte vorgegebenen Daten verglichen werden, so daß eine ständige Kontrolle vorhanden ist.The data that are read outside the machine by the work bar 2 or the information carrier 6 also apply to the individual function groups, such as material procurement, information for the printer, this information being able to be optimally compared with the data reading while the machine is running. The basic settings of the machine, work preparation, scheduling, machine assignment have similar effects. This data can all be compared during the machine run with the data given on the printing plate, so that there is a constant control.

In der Fig. 3 ist die Arbeitsleiste 2 detalliert dargestellt, mit ihren drei Hauptdatengruppen

  • 1) Prozeßsteuerdaten,
  • 2) Maschinenvoreinstelldaten,
  • 3) Organisationsdaten.
3, the work bar 2 is shown in detail, with its three main data groups
  • 1) process control data,
  • 2) machine presetting data,
  • 3) Organizational data.

Diese Daten werden mit dem Kontrastlesegerät 8, Strichmarkenleser 10, 10.1 und Lesekopf 13, 13.1 auf die obengenannte Weise während des Druckprozesses für eine optimale Druckregelung abrufbar, so daß die Druckereien so wenig Zeitstillstand an den Druckmaschinen wie möglich haben. Eine Verwechselung der unterschiedlichen Druckaufträge ist nicht mehr möglich.These data can be called up with the contrast reading device 8, line mark reader 10, 10.1 and reading head 13, 13.1 in the above-mentioned manner during the printing process for an optimal pressure control, so that the printers have as little downtime on the printing machines as possible. It is no longer possible to mix up the different print jobs.

BezugszeichenlisteReference symbol list

  • 1 Druckplatte1 pressure plate
  • 1.1 Druckbildspeicher1.1 Print image memory
  • 2 Arbeitsleiste2 work bar
  • 2.12.1
  • 3 Plattenzylinder3 plate cylinders
  • 4 Farbauftragwalze4 inking roller
  • 5 Feuchtauftragwalze5 dampening roller
  • 6 Informationsträger6 information carriers
  • 7 Druckmaschine7 printing press
  • 8 Kontrastlesegerät8 contrast reader
  • 9 Lesegerät9 reader
  • 10 Strichmarkenleser10 line mark readers
  • 10.110.1
  • 11 Densitometer11 densitometers
  • 12 Aufnahme12 recording
  • 13 Lesekopf13 reading head
  • 13.113.1

Claims (9)

1. Device for control of the printing process and a printing press on the basis of measurements of a reading device (8, 9; 10, 10.1; 13, 13.1) which scans the printing plate (1) set on a print forme carrier, which has in its print image free region which is not covered by material to be printed, at least one working strip (2) containing information data onto which during or after manufacturing of the printing plate (1) information carriers (6) can be applied, wherein the working strip (2) and the information carrier (6) can be read and stored by means of reading devices (8, 9,10,10.1,13,13.1) within the printing press characterised in that the printing plate (1) in an offset printing machine seen in the peripheral direction of the cylinder is so arranged on the plate cylinder (3) that the working strip (2) is lying outside the printing region but inside the region rolled over by the ink and damping applicator rollers.
2. Device according to claim 1 characterised in that in the working strips (2, 2.1) data for the organisation control of the print application and the print process control are arranged and that the data for process control of the printing press (7) can be called up during press running.
3. Device according to claim 1 and 2 characterised in that the data for pre-adjustment of the printing press (7) can be called up with the printing press stationary.
4. Device according to claims 1 to 3 characterised in that the data within the printing press (7) can be called up with the contrast reading device (8) and/or barcode readers (10, 10.1) and/or reading head (13) and outside the printing press (7) with a reading device (9,13.1) and are depositable in the microcomputer and/or can be compared with values of the microcomputer.
5. Device according to claims 1 to 4 characterised in that one or several working strips (2, 2.1) can be copied onto the non-printing zone of a printing plate (1) and that information carriers (6) can be fixed in the working strips (2, 2.1).
6. Device according to claim 1 to 5 characterised in that the printing press (7) is multi-functionally controllable adjustable and regulatable by means of control motors of the printing press (7) by means of the working strips (2, 2.1) and the reading devices (8, 9, 10, 10.1, 11, 13,13.1).
7. Device according to at least one of the preceding claims characterised in that parallel to the working strip (2) and to the printing plate (1), are arranged at least one bar code reader (10) and a reading head (13) axially traversing in a common receiver (12) and that in the region of the working strips (2.1) barcode readers (10.1) and reading heads (13.1) are fixed to side mountings of the printing press (7).
8. Device according to at least one of the preceding claims characterised in that by means of a reading device (9) locally independent of the printing press (7) by reading the working strip (2, 2.1) the organisational sequence of the printing press (7) can be set in motion and can be illustrated on a monitor.
9. Device according to at least one of the preceding claims characterised in that the printing plate (1) and working strips (2, 2.1) as well as the information carrier (6) is a print image store (1.1) which is readable by means of fixed and movable barcode readers (10, 10.1) and reading heads (13,13.1) and densitometers (11) arranged in the printing press.
EP84110610A 1983-11-02 1984-09-06 Preadjusting device for a printing press Expired EP0140056B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84110610T ATE34939T1 (en) 1983-11-02 1984-09-06 PRE-SETTINGS ON PRESSES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833339552 DE3339552A1 (en) 1983-11-02 1983-11-02 PRESETTING PRINTING MACHINES
DE3339552 1983-11-02

Publications (3)

Publication Number Publication Date
EP0140056A2 EP0140056A2 (en) 1985-05-08
EP0140056A3 EP0140056A3 (en) 1985-12-04
EP0140056B1 true EP0140056B1 (en) 1988-06-08

Family

ID=6213221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110610A Expired EP0140056B1 (en) 1983-11-02 1984-09-06 Preadjusting device for a printing press

Country Status (5)

Country Link
US (1) US4665824A (en)
EP (1) EP0140056B1 (en)
JP (1) JPS60110455A (en)
AT (1) ATE34939T1 (en)
DE (1) DE3339552A1 (en)

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Also Published As

Publication number Publication date
US4665824A (en) 1987-05-19
ATE34939T1 (en) 1988-06-15
DE3339552A1 (en) 1985-05-09
JPH0519466B2 (en) 1993-03-16
EP0140056A2 (en) 1985-05-08
EP0140056A3 (en) 1985-12-04
JPS60110455A (en) 1985-06-15

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