EP1593505A2 - Method for controling the image position on a printing plate - Google Patents

Method for controling the image position on a printing plate Download PDF

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Publication number
EP1593505A2
EP1593505A2 EP05009393A EP05009393A EP1593505A2 EP 1593505 A2 EP1593505 A2 EP 1593505A2 EP 05009393 A EP05009393 A EP 05009393A EP 05009393 A EP05009393 A EP 05009393A EP 1593505 A2 EP1593505 A2 EP 1593505A2
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EP
European Patent Office
Prior art keywords
printing
computer system
printed image
printing form
information
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Granted
Application number
EP05009393A
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German (de)
French (fr)
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EP1593505A3 (en
EP1593505B1 (en
Inventor
Rolf-Peter Lehner
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LEHNER, ROLF-PETER
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LEHNER GmbH
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Publication of EP1593505A3 publication Critical patent/EP1593505A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/30—Detecting the correct position of printing plates on the cylinder

Definitions

  • the invention relates to a method for rapid position control a printed image on a printing form or Print template, as known for example from DE 4221482 C2 is.
  • the production of the printing forms or printing originals requires a high Precision.
  • the printed image usually becomes by means of a laser or photochemically on the printing plate applied, with these on side stops or optically positioned is to ensure correct positioning of the printed image to achieve.
  • the pressure plate then later for positioning on corresponding dowel pins is applied to the printing cylinder.
  • the Edges of a printing plate usually not worked so exactly that the desired accuracy of the mapping between Print image and punch punches is achieved.
  • the object of the present invention is the well-known Process to improve so that a faster situation control with a simpler camera system allows becomes.
  • a reference position is made by making the artwork or Pressure plate with the help of her punched or punched Punching to a corresponding number of dowel pins of Measuring arrangement applies.
  • the inside or outside of the Printed image located reference positions in the form of a brand or coding are in their relative position to the punch punches known, so that simple and immovable cameras or other image pickup devices only to these known Positions must be addressed.
  • the calculated by the computer system data are machine related and provide adjustment variables and / or deviations in each case correct unit of measurement. These are deviations the correct position of the printed image relative to the punch punches or corresponding adjustment variables, around the pressure plate when placed on the impression cylinder the printing press is automatically corrected, provided the tolerances and deviations are not a given size exceed. In this case, the pressure plate can not More can be used.
  • the data calculated by the computer system contain the measure like the print template with other print templates of a print set fits over each other.
  • This measure includes the correction quantity, to change the position of the artwork so that all the print templates of a print set fit over each other.
  • a pressure plate applied to dowel pins is the only one Figure shown and used to explain the below described method as an embodiment of the invention.
  • the pressure plate has a longitudinal edge two punched passages 5, 6, for receiving dowel pins 7, 8 serve.
  • a print original or Printing plate 1 serving pressure plate is usually a such plate still without punched with the outer edges Attacks or visually on a corresponding workstation positioned, then the print image 2 by laser processing or applied by chemical treatment becomes.
  • the two reference positions 3, 4 applied, the fixed spatial allocation stand for the print image 2.
  • These reference positions 3, 4 are outside the print image 2, but you can also be arranged within the print image 2, if they are sufficient are small and thus do not disturb the printed image.
  • Such reference positions 3, 4 often have a square Area of 0.9 x 0.9 mm.
  • On this surface can be a data code be applied with various information, which is an associate Ensure the pressure plates of a printing plate set. This data code can also contain information about dimensions, Orientation, format and / or color of the printing plate included. In the reference positions, however, it can be the simplest Trap only to trade position marks.
  • the punch punches 5, 6 are then produced, wherein their positions again with respect to the outer edges orient the plate, which is not always the required Accuracy. As a result, it may happen that the correct Assignment of punching punches 5, 6 for print image 2 respectively to the reference positions 3, 4 is not present.
  • the method according to the invention serves the purpose of resulting tolerances regarding the exact assignment positions or to calculate, with the determined deviations then serve the location of the printing plates on the To correct printing cylinders of a printing machine in order to achieve that all printing plates of a printing set during the printing process Create exactly superimposed images.
  • Deviations from the correct position result in the computer system the extent of how the respective pressure plate 1 with the rest Pressure plates of the printing set fits over each other.
  • the calculated Data is machine-related to the respective printing press and also include adjustment variables in each case correct unit of measurement for the printing press, so that these automatically Based on these adjustment variables may be required Position corrections of the printing plates can make. This For example, by moving or manually moving corresponding dowel pins on the pressure cylinders of Press.
  • the entire adjustment processes can be carried out automatically be, with the data being managed automatically and at any time for follow-up orders or correction work available stand. An operation can be omitted.
  • the production of printing plates can also be performed in a different order, where For example, first the punched punches 5, 6 produced and only later the print image 2 synchronously with the reference positions 3, 4 is applied.

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Handling Of Sheets (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

The method involves lying a printing plate (1) having fitting stampings on alignment pins. A trigger signal is released by one of the pins on recognition of an exact position of the plate, for a camera system. Information of reference positions (3, 4) is read by the camera system. The positions are correlated to a print image (2) in form of mark or coding found in or by the side of the image. The positions are determined by a computer system, at the stampings.

Description

Die Erfindung betrifft ein Verfahren zur schnellen Lagekontrolle eines Druckbildes auf einer Druckform beziehungsweise Druckvorlage, wie es beispielsweise aus der DE 4221482 C2 bekannt ist.The invention relates to a method for rapid position control a printed image on a printing form or Print template, as known for example from DE 4221482 C2 is.

Zur Herstellung von Farbdrucken wird üblicherweise von einem farbigen Original ein Drucksatz von Druckformen bzw. Druckplatten für die verschiedenen Druckfarben hergestellt. Bevor mit dem eigentlichen Druckvorgang begonnen werden kann, müssen beim Einrichten der Druckmaschinen die einzelnen Druckformen so zueinander auf den Druckzylindern justiert werden, dass die dadurch erzeugten Drucke in den unterschiedlichen Farben exakt übereinander passen, anderenfalls ergäben sich unscharfe Bilder und/oder nicht korrekte Farben.For the production of color prints is usually from a colored original a printing set of printing plates or printing plates made for the different printing inks. Before can be started with the actual printing process when setting up the printing press the individual printing forms be adjusted to each other on the printing cylinders, that the prints produced thereby in the different Colors match each other exactly, otherwise they would result blurred images and / or incorrect colors.

Die Herstellung der Druckformen beziehungsweise Druckvorlagen, die üblicherweise Druckplatten sind, erfordert eine hohe Präzision. Zunächst wird dabei üblicherweise das Druckbild mittels eines Lasers oder fotochemisch auf die Druckplatte aufgebracht, wobei diese an Seitenanschlägen oder optisch positioniert ist, um eine korrekte Positionierung des Druckbildes zu erzielen. Dann werden an einem Seitenrand üblicherweise zwei Passstanzungen angebracht, mittels derer die Druckplatte dann später zur Positionierung an entsprechende Passstifte am Druckzylinder angelegt wird. Leider sind jedoch die Ränder einer Druckplatte üblicherweise nicht so exakt bearbeitet, dass die gewünschte Genauigkeit der Zuordnung zwischen Druckbild und Passstanzungen erreicht wird. Bei der Montage auf dem Druckzylinder muss daher die Druckplatte und/oder müssen die Passstifte des Druckzylinders so lange justiert werden, bis die exakte Zuordnung zu den Druckplatten auf den anderen Druckzylindern erreicht ist. Dies ist ein sehr aufwendiger Vorgang, wobei die Druckmaschine auch immer wieder gestartet werden muss, um das erzielte Ergebnis überprüfen zu können. Dabei wirkt sich der dafür erforderliche Papierverbrauch ebenfalls negativ aus. Insbesondere bei einer Überschreitung von Toleranzen, die eine Nachjustierung nicht mehr ausgleichen kann, wird viel Zeit und Material vergeudet, bis man erkennt, dass eine solche Druckplatte wegen Überschreitung der Toleranzgrenzen nicht verwendet werden kann.The production of the printing forms or printing originals, which are usually printing plates, requires a high Precision. At first, the printed image usually becomes by means of a laser or photochemically on the printing plate applied, with these on side stops or optically positioned is to ensure correct positioning of the printed image to achieve. Then at a margin usually become two punched punches attached by means of which the pressure plate then later for positioning on corresponding dowel pins is applied to the printing cylinder. Unfortunately, however, the Edges of a printing plate usually not worked so exactly that the desired accuracy of the mapping between Print image and punch punches is achieved. In the Mounting on the impression cylinder therefore requires the pressure plate and / or must the dowel pins of the printing cylinder as long be adjusted until the exact assignment to the printing plates reached on the other printing cylinders. This is a very complex process, the press always must be restarted to verify the result obtained to be able to. This has the necessary effect Paper consumption also negative. Especially with a Exceeding of tolerances, a readjustment not can compensate more, a lot of time and material is wasted, until you realize that such a printing plate because of exceeding the tolerance limits can not be used.

Beim Verfahren gemäß dem eingangs angegebenen Stand der Technik wird versucht, dieses Problem dadurch zu lösen, dass im Druckbild Passmarken integriert werden, die so klein sind, dass sie das Druckbild nicht stören. Die mit dem Druckbild versehene Druckplatte wird auf einen Messtisch aufgelegt, wobei verfahrbare Kameras sowohl die Passstanzungen als auch die Passmarken abtasten. Aus den aufgenommenen Bildern wird dann die Korrektheit beziehungsweise werden die Toleranzen der Zuordnung zwischen Passstanzungen und Passmarken berechnet, wobei die berechneten Toleranzen zur Kompensation der Zuordnungsfehler beim Aufbringen der Druckplatte auf den Druckzylinder der Druckmaschine herangezogen werden.In the method according to the above-mentioned prior art an attempt is made to solve this problem by using the Print image pass marks are integrated, which are so small that they do not disturb the printed image. The with the printed image provided printing plate is placed on a measuring table, wherein moveable cameras both the punch punches and Scan the pass marks. From the pictures taken will be then the correctness or the tolerances calculated the assignment between punch punches and register marks, the calculated tolerances for the compensation of the Assignment error when applying the pressure plate on the Printing cylinder of the printing press are used.

Der Nachteil der bekannten Anordnung besteht darin, dass die gesamte Druckplatte mittels der verfahrbaren Kameras abgetastet werden muss. Dies ist sehr zeitaufwendig und erfordert teure Mess- beziehungsweise Kamerasysteme. The disadvantage of the known arrangement is that the entire printing plate scanned by means of movable cameras must become. This is very time consuming and requires expensive measuring or camera systems.

Die Aufgabe der vorliegenden Erfindung besteht darin, das bekannte Verfahren so zu verbessern, dass eine schnellere Lagekontrolle bei gleichzeitig einfacherem Kamerasystem ermöglicht wird.The object of the present invention is the well-known Process to improve so that a faster situation control with a simpler camera system allows becomes.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a method with the features of claim 1 solved.

Die Vorteile des erfindungsgemäßen Verfahrens bestehen insbesondere darin, dass die Abtastung der wenigstens einen Passtanzung durch das Kamerasystem entfällt. Eine Bezugsposition wird dadurch hergestellt, dass man die Druckvorlage beziehungsweise Druckplatte mit Hilfe ihrer Passstanzung oder Passstanzungen an eine entsprechende Zahl von Passstiften der Messanordnung anlegt. Die sich innerhalb oder außerhalb des Druckbilds befindlichen Bezugspositionen in Form einer Marke oder Codierung sind in ihrer Relativposition zu den Passstanzungen bekannt, sodass einfache und unbewegliche Kameras oder sonstige Bildaufnahmevorrichtungen lediglich auf diese bekannten Positionen gerichtet werden müssen. Die Abtastung des gesamten Bildes entfällt. Liegen die Bezugsmarken außerhalb der von der Kamera überprüften bekannten Position, an der sich eigentlich die Bezugsmarken befinden sollten, so sind die Toleranzen ohnehin unzulässig groß, und die Druckplatte kann sofort ausgesondert werden.The advantages of the method according to the invention are in particular in that the sampling of the at least one Passage through the camera system is eliminated. A reference position is made by making the artwork or Pressure plate with the help of her punched or punched Punching to a corresponding number of dowel pins of Measuring arrangement applies. The inside or outside of the Printed image located reference positions in the form of a brand or coding are in their relative position to the punch punches known, so that simple and immovable cameras or other image pickup devices only to these known Positions must be addressed. The scanning of the entire picture deleted. If the fiducial marks are outside the checked by the camera known position on the should actually be the fiducials, so are the tolerances anyway unacceptably large, and the pressure plate can be eliminated immediately.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 angegebenen Verfahrens möglich.By the measures listed in the dependent claims are advantageous developments and improvements of the claim 1 specified method possible.

Die vom Rechnersystem errechneten Daten sind maschinenbezogen und stellen Verstellgrößen und/oder Abweichungen in der jeweils richtigen Maßeinheit dar. Es handelt sich dabei um Abweichungen der korrekten Position des Druckbildes relativ zu den Passstanzungen beziehungsweise um entsprechende Verstellgrößen, um die die Druckplatte beim Auflegen auf den Druckzylinder der Druckmaschine automatisch korrigiert wird, sofern die Toleranzen und Abweichungen nicht eine vorgegebene Größe überschreiten. In diesem Falle kann die Druckplatte nicht mehr verwendet werden.The calculated by the computer system data are machine related and provide adjustment variables and / or deviations in each case correct unit of measurement. These are deviations the correct position of the printed image relative to the punch punches or corresponding adjustment variables, around the pressure plate when placed on the impression cylinder the printing press is automatically corrected, provided the tolerances and deviations are not a given size exceed. In this case, the pressure plate can not More can be used.

Die vom Rechnersystem errechneten Daten beinhalten das Maß, wie die Druckvorlage mit anderen Druckvorlagen eines Drucksatzes übereinander passt. Dieses Maß beinhaltet die Korrekturgröße, um die Position der Druckvorlagen so zu verändern, dass alle Druckvorlagen eines Drucksatzes übereinander passen.The data calculated by the computer system contain the measure like the print template with other print templates of a print set fits over each other. This measure includes the correction quantity, to change the position of the artwork so that all the print templates of a print set fit over each other.

Nach Prüfung aller Druckvorlagen eines Drucksatzes werden alle Druckwerke einer Druckmaschine, beispielsweise einer Offsetmaschine, auf gleiche Werte eingestellt, so dass alle Bilder exakt übereinander passen. Diese Korrektur kann automatisch mittels der errechneten Werte erfolgen.After checking all the print templates of a print set, all Printing units of a printing press, such as a Offset machine, set to equal values, so all Fit images exactly on top of each other. This correction can be automatic using the calculated values.

Die Abweichungen oder Toleranzen der Druckvorlage werden zweckmäßigerweise in einer numerischen Tabelle und/oder grafischen Darstellung dargestellt.The deviations or tolerances of the artwork are expediently in a numerical table and / or graphic Representation shown.

Eine an Passstifte angelegte Druckplatte ist in der einzigen Figur dargestellt und dient zur Erläuterung des im Folgenden beschriebenen Verfahrens als Ausführungsbeispiel der Erfindung.A pressure plate applied to dowel pins is the only one Figure shown and used to explain the below described method as an embodiment of the invention.

In der Figur ist eine mit einem Druckbild 2 versehene Druckplatte 1 dargestellt. Die Druckplatte besitzt an einem Längsrand zwei Passstanzungen 5, 6, die zur Aufnahme von Passstiften 7, 8 dienen. In the figure is provided with a printed image 2 printing plate 1 shown. The pressure plate has a longitudinal edge two punched passages 5, 6, for receiving dowel pins 7, 8 serve.

Zur Herstellung einer solchen als Druckvorlage beziehungsweise Druckform dienenden Druckplatte 1 wird üblicherweise eine solche Platte noch ohne Passstanzung mit den Außenkanten an Anschlägen oder optisch auf einer entsprechenden Arbeitsstation positioniert, wobei dann das Druckbild 2 durch LaserBearbeitung oder durch chemische Bearbeitung aufgebracht wird. Gleichzeitig mit dem Druckbild 2 werden die beiden Bezugspositionen 3, 4 aufgebracht, die in fester räumlicher Zuordnung zum Druckbild 2 stehen. Diese Bezugspositionen 3, 4 befinden sich außerhalb des Druckbilds 2, sie können jedoch auch innerhalb des Druckbilds 2 angeordnet sein, wenn sie genügend klein sind und dadurch das Druckbild nicht stören. Solche Bezugspositionen 3, 4 haben häufig eine quadratische Fläche von 0,9 x 0,9 mm. Auf dieser Fläche kann ein Datencode mit verschiedenen Informationen aufgebracht sein, die ein Zuordnen der Druckplatten eines Druckplattensatzes sicherstellen. Dieser Datencode kann auch Informationen über Abmessungen, Orientierung, Format und/oder Farbe der Druckplatte enthalten. Bei den Bezugspositionen kann es sich jedoch im einfachsten Falle auch lediglich um Positionsmarken handeln.For producing such as a print original or Printing plate 1 serving pressure plate is usually a such plate still without punched with the outer edges Attacks or visually on a corresponding workstation positioned, then the print image 2 by laser processing or applied by chemical treatment becomes. Simultaneously with the print image 2, the two reference positions 3, 4 applied, the fixed spatial allocation stand for the print image 2. These reference positions 3, 4 are outside the print image 2, but you can also be arranged within the print image 2, if they are sufficient are small and thus do not disturb the printed image. Such reference positions 3, 4 often have a square Area of 0.9 x 0.9 mm. On this surface can be a data code be applied with various information, which is an associate Ensure the pressure plates of a printing plate set. This data code can also contain information about dimensions, Orientation, format and / or color of the printing plate included. In the reference positions, however, it can be the simplest Trap only to trade position marks.

Nach dem Aufbringen des Druckbildes 2 und der Bezugspositionen 3, 4 werden dann die Passstanzungen 5, 6 hergestellt, wobei sich deren Positionen wiederum hinsichtlich der Außenkanten der Platte orientieren, die nicht immer die erforderliche Exaktheit aufweist. Dadurch kann es vorkommen, dass die korrekte Zuordnung von Passstanzungen 5, 6 zum Druckbild 2 beziehungsweise zu den Bezugspositionen 3, 4 nicht vorliegt. Das erfindungsgemäße Verfahren dient dazu, entstandene Toleranzen bezüglich der exakten Zuordnungspositionen aufzuzeigen beziehungsweise zu berechnen, wobei die ermittelten Abweichungen dann dazu dienen, die Lage der Druckplatten auf den Druckzylindern einer Druckmaschine zu korrigieren, um zu erreichen, dass alle Druckplatten eines Drucksatzes beim Druckvorgang exakt übereinander liegende Bilder erzeugen.After applying the print image 2 and the reference positions 3, 4, the punch punches 5, 6 are then produced, wherein their positions again with respect to the outer edges orient the plate, which is not always the required Accuracy. As a result, it may happen that the correct Assignment of punching punches 5, 6 for print image 2 respectively to the reference positions 3, 4 is not present. The method according to the invention serves the purpose of resulting tolerances regarding the exact assignment positions or to calculate, with the determined deviations then serve the location of the printing plates on the To correct printing cylinders of a printing machine in order to achieve that all printing plates of a printing set during the printing process Create exactly superimposed images.

Beim erfindungsgemäßen Verfahren wird zunächst eine in der beschriebenen Weise hergestellte und zu prüfende Druckplatte 1 dem Messsystem so zugeführt, dass die Passstifte 7, 8 des Messsystems in die Passstanzungen 5, 6 gemäß der Figur eingreifen. Die als Sensoren ausgebildeten Passstifte 7, 8 erkennen bei exakter Anlage die korrekte Position der Druckplatte und liefern ein diese exakte Position kennzeichnendes Triggersignal für ein nicht dargestelltes Kamerasystem. Das beispielsweise bei zwei Bezugspositionen 3, 4 aus zwei Kameras bestehende Kamerasystem ist fest so positioniert, dass die immer an denselben Positionen angeordneten Bezugspositionen 3, 4 beziehungsweise deren codierte Informationen erfasst werden können. Sie werden vom Kamerasystem gelesen, interpretiert und als Datensatz an ein Rechnersystem weitergeleitet. Abweichungen von der korrekten Position ergeben im Rechnersystem das Maß, wie die jeweilige Druckplatte 1 mit den übrigen Druckplatten des Drucksatzes übereinander passt. Die errechneten Daten sind maschinenbezogen auf die jeweilige Druckmaschine und beinhalten auch Verstellgrößen in der jeweils richtigen Maßeinheit für die Druckmaschine, damit diese automatisch anhand dieser Verstellgrößen eventuell erforderliche Positionskorrekturen der Druckplatten vornehmen kann. Dies erfolgt beispielsweise durch motorisches oder manuelles Verschieben entsprechender Passstifte an den Druckzylindern der Druckmaschine.In the method according to the invention, first in the described manner and to be tested pressure plate 1 supplied to the measuring system so that the dowel pins 7, 8 of the Measuring system in the pass punches 5, 6 engage according to the figure. The trained as sensors dowel pins 7, 8 recognize with exact installation, the correct position of the printing plate and provide a characteristic of this exact position Trigger signal for a not-shown camera system. The for example, at two reference positions 3, 4 of two cameras existing camera system is firmly positioned so that the reference positions always arranged at the same positions 3, 4 and recorded their encoded information can be. They are read, interpreted by the camera system and forwarded as a record to a computer system. Deviations from the correct position result in the computer system the extent of how the respective pressure plate 1 with the rest Pressure plates of the printing set fits over each other. The calculated Data is machine-related to the respective printing press and also include adjustment variables in each case correct unit of measurement for the printing press, so that these automatically Based on these adjustment variables may be required Position corrections of the printing plates can make. This For example, by moving or manually moving corresponding dowel pins on the pressure cylinders of Press.

Die gesamten Einstellvorgänge können automatisch durchgeführt werden, wobei die Daten automatisch verwaltet werden und jederzeit für Folgeaufträge oder Korrekturarbeiten zur Verfügung stehen. Eine Bedienung kann dabei entfallen. The entire adjustment processes can be carried out automatically be, with the data being managed automatically and at any time for follow-up orders or correction work available stand. An operation can be omitted.

Durch das Rechnersystem können die erfassten und berechneten Informationen auch in einer numerischen Tabelle oder grafischen Darstellung wiedergegeben werden, wobei die Abweichungen beziehungsweise Toleranzen dargestellt sind, gegliedert nach Umfang-, Seiten- und Diagonalregister.Through the computer system, the recorded and calculated Information also in a numeric table or graphic Representation be reproduced, with the deviations or tolerances are shown, articulated after circumferential, lateral and diagonal registers.

Werden bei der Messung Toleranzen festgestellt, die ein vorgegebenes Maß überschreiten, so wird die jeweilige Druckplatte sofort ausgesondert, da eine entsprechende Korrektur in der Druckmaschine dann nicht mehr möglich wäre.Are found during the measurement tolerances that a predetermined Measure exceed, so the respective pressure plate immediately sorted out, as an appropriate correction in the printing press would then no longer be possible.

Bei erkannten Toleranzen innerhalb des zulässigen Toleranzbereichs berechnet das Rechnersystem aus den Informationen diejenigen Daten, die für das Aufeinanderpassen aller Druckplatten eines Drucksystems in der Druckmaschine erforderlich sind. Durch Korrektur im DTP- beziehungsweise CtP-Belichter können alle Druckvorlagen dann aufeinander so abgestimmt werden, dass künftig keine Korrekturen in der Druckmaschine mehr notwendig sind.For recognized tolerances within the permissible tolerance range calculates the computer system from the information those Data necessary for the matching of all printing plates a printing system in the printing press required are. By correction in the DTP or CtP imagesetter All artwork can then be matched to each other that in future no corrections in the printing press more necessary.

Es sei noch angemerkt, dass die Herstellung der Druckplatten auch in anderer Reihenfolge durchgeführt werden kann, wobei beispielsweise auch zuerst die Passstanzungen 5, 6 hergestellt werden und erst nachträglich das Druckbild 2 synchron mit den Bezugspositionen 3, 4 aufgebracht wird.It should be noted that the production of printing plates can also be performed in a different order, where For example, first the punched punches 5, 6 produced and only later the print image 2 synchronously with the reference positions 3, 4 is applied.

In der einzigen Figur sind zwei Bezugspositionen 3, 4 dargestellt. Im einfachsten Falle kann auch nur eine einzige Bezugsposition ausreichend sein, wobei auch eine größere Zahl von Bezugspositionen möglich wäre.In the single figure, two reference positions 3, 4 are shown. In the simplest case, only a single reference position be sufficient, with a larger number would be possible from reference positions.

Es können auch Druckformen bzw. Druckplatten verwendet werden, die eine abgewinkelte Kante oder ein sonstiges zusätzliches Positionierungselement besitzen. In diesem Falle reicht bereit eine einzige, beispielsweise an dieser abgewinkelten Kante angebrachte Passstanzung im Zusammenwirken mit einem Passstift zur definierten Positionierung aus.It can also be used printing plates or printing plates, the one angled edge or other additional Own positioning element. In this case, enough ready a single, for example, at this angled Edge-mounted punched punch in conjunction with a Dowel pin for defined positioning.

Claims (7)

Verfahren zur schnellen Lagekontrolle eines Druckbildes auf einer Druckform, das die folgenden Schritte aufweist: a) Anlegen der mit wenigstens einer Passstanzung (5, 6) versehenen Druckform (1) an wenigstens einen als Sensor für die wenigstens eine Passstanzung (5, 6) ausgebildeten Passstift (7, 8) : b) Auslösen eines Triggersignals für ein Kamerasystem durch den wenigstens einen Passstift (7, 8) bei Erkennung der exakten Position der Druckform (1); c) Lesen von Informationen wenigstens einer mit dem Druckbild (2) zusammenhängender Bezugsposition (3, 4) in Form einer Marke oder Codierung im oder neben dem Druckbild (2) durch das Kamerasystem; d) Weiterleitung der gelesenen Informationen als Datensatz an ein Rechnersystem; e) Bestimmen der Position der wenigstens einen die Information enthaltenden Bezugsposition (3, 4) zur wenigstens einen den Passstanzung (5, 6) durch das Rechnersystem. Method for quickly checking the position of a printed image on a printing form, comprising the following steps: a) applying the at least one pass punching (5, 6) provided with the printing plate (1) to at least one as a sensor for the at least one pass punching (5, 6) formed dowel pin (7, 8): b) triggering a trigger signal for a camera system by the at least one dowel pin (7, 8) upon detection of the exact position of the printing form (1); c) reading information from at least one reference position (3, 4) associated with the printed image (2) in the form of a mark or coding in or next to the printed image (2) by the camera system; d) transmission of the read information as a data record to a computer system; e) determining the position of the at least one information-containing reference position (3, 4) to at least one of the pass punching (5, 6) by the computer system. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die vom Rechnersystem errechneten Daten maschinenbezogen sind und Verstellgrößen und/oder Abweichungen in der jeweils richtigen Maßeinheit darstellen.A method according to claim 1, characterized in that the computer system calculated data are machine-related and represent adjustment variables and / or deviations in the respective correct unit of measurement. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die vom Rechnersystem errechneten Daten das Maß beinhalten, wie die Druckform (1) mit anderen Druckformen eines Drucksatzes übereinander passt.Method according to claim 1 or 2, characterized in that the data calculated by the computer system include the extent to which the printing form (1) matches one another with other printing forms of a printing set. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass nach der Prüfung der Druckform (1) und anderen Druckformen eines Drucksatzes alle Druckwerke einer Druckmaschine, insbesondere einer Offsetmaschine, auf gleiche Werte eingestellt werden.Method according to one of the preceding claims, characterized in that after checking the printing form (1) and other printing forms of a printing set all printing units of a printing machine, in particular an offset machine, are set to the same values. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Abweichungen oder Toleranzen der Druckform (1) in einer numerischen Tabelle und/oder grafischen Darstellung dargestellt werden.Method according to one of the preceding claims, characterized in that deviations or tolerances of the printing form (1) are displayed in a numerical table and / or graphic representation. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwei Passstanzungen (5, 6) für zwei Passstifte (7, 8) verwendet werden.Method according to one of the preceding claims, characterized in that two punch punches (5, 6) for two dowel pins (7, 8) are used. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Codierung auch Informationen über Abmessungen, Orientierung, Format und/oder Farbe der Druckform (1) enthält.Method according to one of the preceding claims, characterized in that the coding also contains information about dimensions, orientation, format and / or color of the printing form (1).
EP05009393A 2004-05-05 2005-04-29 Method for controling the image position on a printing plate Active EP1593505B1 (en)

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DE102004022769 2004-05-05
DE102004022769 2004-05-05

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1826004A2 (en) 2006-02-22 2007-08-29 LEHNER GmbH Device for adjusting and/or identifying printing plates on printing cylinders of a printing machine
DE102006050743A1 (en) * 2006-10-27 2008-04-30 Koenig & Bauer Aktiengesellschaft Inline sensor's e.g. spectral, densitometric measuring sensor, measuring clock pulse preadjusting method for e.g. sheet-feed offset rotary printing machine, involves finding rotational angle for measuring clock pulse from strips position
DE102006061396A1 (en) * 2006-12-23 2008-06-26 Koenig & Bauer Aktiengesellschaft Measuring element e.g. for determining position of print image on printing machine, has image formed of color leading image having dot matrix surface with element having line patterns raised by pressure or pressure plate
EP2106910A1 (en) 2008-03-31 2009-10-07 Rolf-Peter Lehner Method for positioning a pressure plate on a plate cylinder of a printer
DE102008042393A1 (en) 2008-09-26 2010-04-01 Koenig & Bauer Aktiengesellschaft Method for supplying pressure plates at two printing elements, involves providing each printing element with clamping unit having plate cylinder
DE102010022783A1 (en) * 2010-06-04 2011-12-08 Klaus Zettlmeier Pin for catching and/or locating strip material to be punched or bent in punching and/or bending machine, has lateral force measuring device for registering tilting deflection of pin, where pin is tiltingly supported on bearing
DE102012214824A1 (en) * 2012-08-21 2014-02-27 Ball Europe Gmbh Method and device for aligning printing plates on printing cylinders

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DE4221482C2 (en) 1992-06-30 1995-04-20 Lehner Gmbh Method for checking the position of a printed image on a printing form

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DE4239089B4 (en) * 1992-05-09 2004-08-19 Koenig & Bauer Ag Process for register correction of printing plates

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DE4221482C2 (en) 1992-06-30 1995-04-20 Lehner Gmbh Method for checking the position of a printed image on a printing form

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1826004A2 (en) 2006-02-22 2007-08-29 LEHNER GmbH Device for adjusting and/or identifying printing plates on printing cylinders of a printing machine
DE102006050743A1 (en) * 2006-10-27 2008-04-30 Koenig & Bauer Aktiengesellschaft Inline sensor's e.g. spectral, densitometric measuring sensor, measuring clock pulse preadjusting method for e.g. sheet-feed offset rotary printing machine, involves finding rotational angle for measuring clock pulse from strips position
DE102006061396A1 (en) * 2006-12-23 2008-06-26 Koenig & Bauer Aktiengesellschaft Measuring element e.g. for determining position of print image on printing machine, has image formed of color leading image having dot matrix surface with element having line patterns raised by pressure or pressure plate
EP2106910A1 (en) 2008-03-31 2009-10-07 Rolf-Peter Lehner Method for positioning a pressure plate on a plate cylinder of a printer
DE102008016731A1 (en) 2008-03-31 2009-10-15 Rolf-Peter Lehner Method for positioning a printing plate on a plate cylinder of a printing machine
DE102008016731B4 (en) * 2008-03-31 2013-09-05 Rolf-Peter Lehner Method for positioning a printing plate on a plate cylinder of a printing machine
DE102008042393A1 (en) 2008-09-26 2010-04-01 Koenig & Bauer Aktiengesellschaft Method for supplying pressure plates at two printing elements, involves providing each printing element with clamping unit having plate cylinder
DE102010022783A1 (en) * 2010-06-04 2011-12-08 Klaus Zettlmeier Pin for catching and/or locating strip material to be punched or bent in punching and/or bending machine, has lateral force measuring device for registering tilting deflection of pin, where pin is tiltingly supported on bearing
DE102010022783B4 (en) * 2010-06-04 2012-09-13 Klaus Zettlmeier Pin for catching and positioning of strip material to be punched and / or bent
DE102012214824A1 (en) * 2012-08-21 2014-02-27 Ball Europe Gmbh Method and device for aligning printing plates on printing cylinders

Also Published As

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EP1593505A3 (en) 2006-06-07
DE502005010463D1 (en) 2010-12-16
EP1593505B1 (en) 2010-11-03
ATE486721T1 (en) 2010-11-15

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