EP0590282B1 - Control strips for controlling and monitoring the printing process - Google Patents
Control strips for controlling and monitoring the printing process Download PDFInfo
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- EP0590282B1 EP0590282B1 EP93112785A EP93112785A EP0590282B1 EP 0590282 B1 EP0590282 B1 EP 0590282B1 EP 93112785 A EP93112785 A EP 93112785A EP 93112785 A EP93112785 A EP 93112785A EP 0590282 B1 EP0590282 B1 EP 0590282B1
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- Prior art keywords
- measuring
- strip
- fields
- print control
- separations
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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
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
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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
- B41F33/0081—Devices for scanning register marks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2233/00—Arrangements for the operation of printing presses
- B41P2233/50—Marks on printed material
- B41P2233/51—Marks on printed material for colour quality control
Definitions
- the invention relates to a print control strip for controlling and monitoring the printing process on, in particular, autotypically operating printing machines according to the preamble of claim 1.
- the photoelectric scanning can be carried out by means of a handheld or traversing densitometer, by means of a spectral photometer, by means of a color measuring device or a video measuring head.
- the individual measuring fields of the print control strip are designed, for example, as measuring fields of the full tone, the halftone tone (predetermined area coverage), halftone fields of the overprinting (gray balance), etc.
- setting values for in particular the ink guidance of the printing press are derived from the photoelectric measurement values obtained in this way, which takes place in particular in an automatic color control system.
- the print control strip therefore has corresponding measurement fields, for example of the full tone, for each color to be printed in all or in a plurality of color metering zones.
- measurement fields for example of the full tone
- control fields for direct control or regulation of the coloring
- diagnostic fields are usually provided, which provide further information about, for example, the dampening solution guide, pushing / duplicating or other process sizes.
- a print control strip for each color to be printed should have control fields (full tone) for direct control and additionally distributed over the print width some diagnostic fields for monitoring the printing process for each color to be printed, and the width of the ink metering zones on an ink fountain roller, for example, is only 30 mm, can with a measuring field size between 3 and 5 mm max. 6 to 10 measuring fields (control and diagnostic fields) can be accommodated per ink metering zone.
- control and diagnostic fields can be accommodated per ink metering zone.
- Print control strips for checking / diagnosing 6 or 8 printing colors are common and widespread.
- a six-color print job is printed with a print control strip for, for example, 8 colors, i.e. if only 6 measurement strip excerpts are copied from the print control strip with its 8 measurement strip extracts to the corresponding 6 printing plates, the places on the print sheet in the print control strip where the measurement strip extracts not copied have measurement fields remain , unprinted.
- Examples of the pressure control strips of the type concerned by the present invention are known from DE 3 643 721 A1, DE 4 038 574 C1 and, as far as the procedure for the assembly of the measuring strip extracts is concerned, from DE 3 219 744 C2.
- the object of the present invention is therefore to develop the print control strip in such a way that a variable and convenient copy of the measuring fields for the individual printing inks is possible in accordance with the intended number of colors to be printed and in accordance with the process requirements.
- the measuring strip extracts of the print control strip for at least one color are present multiple times, so that a measuring strip extract with the corresponding control fields at the places provided for this color and at least one further, alternatively, for this color using the measuring strip extract with diagnostic fields instead of the control fields. If this color is not printed at the same time, the measuring strip extract with the diagnostic fields, which is provided as an alternative to this, is also copied with the measuring strip extract of another color to be printed instead of the measuring strip extract. This has the consequence that for this color not only measuring fields as control fields but also at precisely those places where the color that is not printed would have measuring fields, correspondingly designed diagnostic fields in the Print control strips are included.
- a total of two sets of measuring strip extracts are provided for a print control strip, which, for example, should only contain measurement fields of the full tone as control fields.
- the first set of measurement strip extracts comprises a total of N films, where N is the number of colors for which the print control strip is designed.
- the individual measuring fields are arranged according to the copying process (positive / negative) as correspondingly blackened areas on transparent material or as non-blackened areas in correspondingly opaque carrier material.
- the second set of measuring strip extracts which is to be used as an alternative, differs from the first set of measuring strip extracts in that the individual measuring fields in the films are not designed as control fields for the full tone, but rather as corresponding diagnostic fields (coarse, fine grid, micro measuring elements, sliding / duplicating fields, etc.) are.
- the diagnostic fields do not have to be the same everywhere, but rather it can be advantageous to have diagnostic fields with different halftone values, for example alternating from ink metering zone to ink metering zone.
- the corresponding 6 measuring strip extracts with the corresponding control fields of the full tone are assigned to the 6 colors copied corresponding printing plates.
- the total of the set of measuring strip extracts with the control fields of the full tone thus remains 4 measuring strip extracts not used.
- the measuring strip extracts with diagnostic fields provided as an alternative are now used, a measuring strip extract with diagnostic fields being additionally copied with the measuring strip extract from the control fields onto a printing plate of a color to be printed.
- the print control strip instead of a total of 2 sets of measuring strip extracts for the print control strip (max. N colors), several sets of measuring strip extracts can also be provided. It would be conceivable that, in addition to the N films for the N colors in each case, two further sets of measuring strip extracts for the diagnostic fields are provided in the first set of measuring strip extracts for the control fields, the one set of measuring strip extracts diagnostic fields each as measuring fields of the screen tone of, for example, 40% and the further set of measuring strip extracts has diagnostic fields as halftone measuring fields with, for example, 80% area coverage in the film. Are then from the max. N possible colors for this print control strip two not printed, so it is possible to print two different diagnostic fields (screen tones 40% and 80%) for one printed color or a total of two different colors next to the control fields, one diagnostic field with one each to provide certain grid tone coverage.
- Fig. 1 is shown with P a part of a printed sheet in the region of its front edge.
- a print control strip DK consisting of individual measuring fields MF for the respective colors was also printed on this.
- the individual color metering zones are shown in dashed lines and numbered starting with 1.
- the width of an ink metering zone is 30 mm and that a measuring field MF has a width of 3 mm. This means that max. 10 measuring fields are provided and in the configuration of the print control strip DK to be explained, a total of 10 colors would have to be regulated.
- MA1.1, MA2.1, ...., MA10.1 show the various measuring strip extracts to be copied onto the respective printing plates (or the films) of the individual colors.
- the measuring field MF takes the first position from the left in each color metering zone.
- the measuring field MF assumes the second position in each ink metering zone in the measuring strip extract MA2.1 for this printing ink.
- a measuring strip extract MA1.1, ...., MA6.1 would have to be copied accordingly for the six colors to be printed on the six printing plates (or their films). Accordingly, the measuring strip extracts MA7.1, ...., MA10.1 remained unused.
- FIG. 2 shows the diagram of the several sets of measuring strip extracts MA1-10.1, MA1-10.2, MA1-10.3 etc. provided.
- the measuring strip extracts MA7.1, ...., MA10.1 are not used remain, for example four measuring strip extracts MA7.2, ...., MA10.2 are selected from the second set of measuring strip extracts MA1-10.2 and one extract of this second set together with a measuring strip extract MA1.1, ...., MA4. 1 of the first sentence copied onto the respective printing plate (or film).
- diagnostic fields e.g. raster
- the second set of measuring strip extracts MA1-10.2 could each have diagnostic fields as measuring fields MF of the Screen tones with 40% area coverage and the third set of measuring strip extracts MA1-10.3 each contain diagnostic fields in the screen tone with 80% area coverage.
- a further measuring strip extract with diagnostic fields is provided for each measuring strip extract with control fields of the first set.
- a further measuring strip extract with diagnostic fields is provided for each measuring strip extract with control fields of the first set.
- the first 4 printing colors which are mostly occupied by the 3 chromatic colors in addition to black
- only four individual measuring strip extracts with only control fields of the full tone are provided, and for the other six colors, for example, a set of measuring strip extracts with control fields of the full tone as well as one second or additional sets of measuring strip extracts, each with diagnostic fields of the raster tone or other training are provided.
- the so-called control fields were designed as measuring fields of the full tone
- the diagnostic fields in the measuring strip extracts to be used as alternatives were, for example, measuring fields of the raster tone.
- the measuring fields of the first set of measuring strip extracts can also be designed as measuring fields of the grid tone (certain area coverage) and the diagnostic fields in the second, third, etc. measuring strip extracts that may also be copied as measuring fields of the full tone, the grid tone (with different area coverage) or other structuring his.
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- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Spectrometry And Color Measurement (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
Description
Die Erfindung betrifft einen Druckkontrollstreifen zur Steuerung und Überwachung des Druckprozesses auf insbesondere autotypisch arbeitenden Druckmaschinen gemäß dem Oberbegriff von Anspruch 1.The invention relates to a print control strip for controlling and monitoring the printing process on, in particular, autotypically operating printing machines according to the preamble of
Aus dem Bereich des Bogenoffsetdruckes ist es bekannt, die Färbung von Druckerzeugnissen durch fotoelektrisches Abtasten von Meßfeldern zu überwachen, wobei diese Meßfelder insbesondere in Form eines Druckkontrollstreifens auf den Bogen mitgedruckt werden. Das fotoelektrische Abtasten kann mittels eines Hand- oder traversierenden Densitometers, mittels eines Spektral-Fotometers, mittels eines Farbmeßgerätes oder eines Videomeßkopfes erfolgen. Die einzelnen Meßfelder des Druckkontrollstreifens sind beispielsweise als Meßfelder des Volltons, des Rastertons (vorgegebene Flächendeckung), Rasterfelder des Übereinanderdrucks (Graubalance) usw. ausgebildet. Aus den derartig gewonnenen fotoelektrischen Meßwerten werden nach einem Soll-/Ist-Vergleich Einstellwerte für insbesondere die Farbführung der Druckmaschine abgeleitet, was insbesondere in einer automatischen Farbregelanlage erfolgt.From the field of sheetfed offset printing, it is known to monitor the coloration of printed products by photoelectric scanning of measuring fields, these measuring fields being printed on the sheet in particular in the form of a print control strip. The photoelectric scanning can be carried out by means of a handheld or traversing densitometer, by means of a spectral photometer, by means of a color measuring device or a video measuring head. The individual measuring fields of the print control strip are designed, for example, as measuring fields of the full tone, the halftone tone (predetermined area coverage), halftone fields of the overprinting (gray balance), etc. After a target / actual comparison, setting values for in particular the ink guidance of the printing press are derived from the photoelectric measurement values obtained in this way, which takes place in particular in an automatic color control system.
Die weiteste Verbreitung hat im Bogenoffsetdruck die Regelung nach der Vollton- bzw. Rasterton-Farbdichte gefunden. Der Druckkontrollstreifen weist somit für jede zu druckende Farbe in allen oder in einer Vielzahl von Farbdosierzonen entsprechende Meßfelder beispielsweise des Volltons auf. Neben den Volltonmeßfeldern als Kontrollfelder für die direkte Steuerung bzw. Regelung der Farbgebung sind zur zusätzlichen Überwachung des Druckprozesses meist noch sogenannte Diagnosefelder vorgesehen, die einen weiteren Aufschluß über beispielsweise die Feuchtmittelführung, Schieben/Dublieren oder sonstige Prozeßgroßen liefern.The most widespread use of sheetfed offset printing has been based on the regulation of the solid or halftone color density. The print control strip therefore has corresponding measurement fields, for example of the full tone, for each color to be printed in all or in a plurality of color metering zones. In addition to the full tone measuring fields as control fields for direct control or regulation of the coloring For additional monitoring of the printing process, so-called diagnostic fields are usually provided, which provide further information about, for example, the dampening solution guide, pushing / duplicating or other process sizes.
Da ein Druckkontrollstreifen für jede zu druckende Farbe möglichst in jeder Farbdosierzone Kontrollfelder (Vollton) zur direkten Steuerung und zusätzlich über die Druckbreite verteilt einige Diagnosefelder zur Überwachung des Druckprozesses aufweisen soll, ferner die Breite der Farbdosierzonen an einer Farbkastenwalze beispielsweise nur 30 mm beträgt, können bei einer Meßfeldgröße zwischen 3 und 5 mm max. 6 bis 10 Meßfelder (Kontroll- und Diagnosefelder) pro Farbdosierzone untergebracht werden. Somit ist zum einen die Zahl der durch einen Druckkontrollstreifen regelbaren Farben einerseits und andererseits die Zahl der zusätzlich vorzusehenden Diagnosefelder begrenzt. Üblich und verbreitet sind Druckkontrollstreifen zur Kontrolle/Diagnose von 6 bzw. 8 Druckfarben.Since a print control strip for each color to be printed should have control fields (full tone) for direct control and additionally distributed over the print width some diagnostic fields for monitoring the printing process for each color to be printed, and the width of the ink metering zones on an ink fountain roller, for example, is only 30 mm, can with a measuring field size between 3 and 5 mm max. 6 to 10 measuring fields (control and diagnostic fields) can be accommodated per ink metering zone. Thus, on the one hand the number of colors that can be regulated by a print control strip is limited on the one hand and on the other hand the number of additional diagnostic fields to be provided. Print control strips for checking / diagnosing 6 or 8 printing colors are common and widespread.
Wird mit einem Druckkontrollsteifen für beispielsweise 8 Farben ein sechsfarbiger Druckauftrag gedruckt, werden also von dem Druckkontrollstreifen mit seinen 8 Meßstreifenauszügen lediglich 6 Meßstreifenauszüge auf die entsprechenden 6 Druckplatten mitkopiert, so bleiben die Stellen auf dem Druckbogen im Druckkontrollstreifen, an denen die nicht mitkopierten Meßstreifenauszüge Meßfelder aufweisen, unbedruckt. Gemäß dem obigen Beispiel einer Sechsfarbarbeit mit einem Achtfarb-Druckkontrollstreifen, der Kontrollfelder für jede Farbe in jeder Farbdosierzone aufweist, bedeutet dies, daß pro Farbdosierzone Platz für wenigstens zwei Meßfelder unbedruckt bleibt. Aus der Praxis ist es zwar bekannt, diesen freibleibenden Platz im Druckkontrollstreifen durch das zusätzliche Mitkopieren von Diagnosefeldern für die vorhandenen Farben aufzufüllen, jedoch stellt ein derartiges Vorgehen bei der Montage der Druckvorlage (Film) ein unter Umständen recht mühseliges Vorgehen dar, weil diese zusätzlichen Diagnosefelder für die vorhandenen Farben standgenau und sich insbesondere nicht mit anderen Meßfeldorten anderer Farben überlappend in die entsprechenden Meßstreifenauszüge montiert werden müssen.If a six-color print job is printed with a print control strip for, for example, 8 colors, i.e. if only 6 measurement strip excerpts are copied from the print control strip with its 8 measurement strip extracts to the corresponding 6 printing plates, the places on the print sheet in the print control strip where the measurement strip extracts not copied have measurement fields remain , unprinted. According to the above example of a six-color work with an eight-color print control strip which has control fields for each color in each color metering zone, this means that space for at least two measuring fields remains unprinted per color metering zone. From practice it is known to fill up this free space in the print control strip by copying additional diagnostic fields for the available colors, but such a procedure when assembling the print template (film) can be a tedious procedure because these additional diagnostic fields for the existing colors accurate and in particular do not have to be mounted in the corresponding measuring strip pull-outs to overlap with other measuring field locations of other colors.
Beispiele für die Druckkontrollstreifen der von der vorliegenden Erfindung betroffenen Art sind aus der DE 3 643 721 A1, der DE 4 038 574 C1 und, was das Vorgehen bei der Montage der Meßstreifenauszüge betrifft, aus der DE 3 219 744 C2 bekannt.Examples of the pressure control strips of the type concerned by the present invention are known from
Aufgabe der vorliegenden Erfindung ist es somit, den Druckkontrollstreifen gemäß dem Oberbegriff von Anspruch 1 derartig weiterzubilden, daß eine variable und komfortable Kopie der Meßfelder für die einzelnen Druckfarben entsprechend der vorgesehenen Anzahl zu druckender Farben und entsprechend den Prozeßerfordernissen möglich ist.The object of the present invention is therefore to develop the print control strip in such a way that a variable and convenient copy of the measuring fields for the individual printing inks is possible in accordance with the intended number of colors to be printed and in accordance with the process requirements.
Gelöst wird diese Aufgabe durch die kennzeichnenden Merkmale von Anspruch 1. Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.This object is achieved by the characterizing features of
Nach der Erfindung ist vorgesehen, daß die Meßstreifenauszüge des Druckkontrollstreifens für wenigstens eine Farbe, d.h. also wenigstens ein Meßstreifenauszug, dahingehend mehrfach vorliegt, so daß für diese Farbe ein Meßstreifenauszug mit den entsprechenden Kontrollfeldern an den dafür vorgesehenen Stellen und wenigstens ein weiterer, alternativ dazu zu verwendender Meßstreifenauszug mit Diagnosefeldern statt der Kontrollfelder verwendbar ist. Wird nun gerade diese Farbe nicht mitgedruckt, so wird anstelle des Meßstreifenauszuges mit den Kontrollfeldern der alternativ dazu vorgesehene Meßstreifenauszug mit den Diagnosefeldern zusätzlich zu dem Meßstreifenauszug einer anderen zu druckenden Farbe mitkopiert. Dies hat zur Folge, daß für diese Farbe dann nicht nur Meßfelder als Kontrollfelder sondern zusätzlich auch noch an genau denjenigen Stellen an welchen die nicht mitgedruckte Farbe Meßfelder aufweisen würde, entsprechend gestaltete Diagnosefelder im Druckkontrollstreifen enthalten sind.According to the invention it is provided that the measuring strip extracts of the print control strip for at least one color, that is to say at least one measuring strip extract, are present multiple times, so that a measuring strip extract with the corresponding control fields at the places provided for this color and at least one further, alternatively, for this color using the measuring strip extract with diagnostic fields instead of the control fields. If this color is not printed at the same time, the measuring strip extract with the diagnostic fields, which is provided as an alternative to this, is also copied with the measuring strip extract of another color to be printed instead of the measuring strip extract. This has the consequence that for this color not only measuring fields as control fields but also at precisely those places where the color that is not printed would have measuring fields, correspondingly designed diagnostic fields in the Print control strips are included.
Nach einer bevorzugten Ausgestaltung der Erfindung sind bei einem Druckkontrollstreifen, der beispielsweise ausschließlich Meßfelder des Volltons als Kontrollfelder enthalten soll, insgesamt zwei Sätze von Meßstreifenauszügen vorgesehen. Der erste Satz von Meßstreifenauszügen umfaßt insgesamt N-Filme, wobei N die Zahl von Farben ist, für welche der Druckkontrollstreifen ausgelegt ist. In jedem einzelnen Film dieses ersten Satzes der Meßstreifenauszüge sind entsprechend dem Kopierverfahren (positiv/negativ) die einzelnen Meßfelder als entsprechend geschwärzte Bereiche auf durchsichtigem Material bzw. als ungeschwärzte Bereiche in entsprechend lichtundurchlässigem Trägermaterial angeordnet. Durch entsprechendes Mitkopieren je eines Meßstreifenauszuges auf die entsprechend vorgesehene Druckplatte bzw. die Druckvorlage in Form eines Filmes, ergeben sich somit Kontrollfelder des Volltones.According to a preferred embodiment of the invention, a total of two sets of measuring strip extracts are provided for a print control strip, which, for example, should only contain measurement fields of the full tone as control fields. The first set of measurement strip extracts comprises a total of N films, where N is the number of colors for which the print control strip is designed. In each individual film of this first set of measuring strip extracts, the individual measuring fields are arranged according to the copying process (positive / negative) as correspondingly blackened areas on transparent material or as non-blackened areas in correspondingly opaque carrier material. By corresponding copying of a measuring strip extract onto the corresponding printing plate or the printing template in the form of a film, control fields of the full tone are obtained.
Der zweite vorgesehene, alternativ dazu zu verwendende Satz von Meßstreifenauszügen unterscheidet sich vom ersten Satz Meßstreifenauszüge dadurch, daß die einzelnen Meßfelder in den Filmen nicht als Kontrollfelder des Volltones sondern als entsprechende Diagnosefelder (Grob-, Feinraster, Mikromeßelemente, Schiebe/Dublierfelder usw.) ausgebildet sind. In diesem Satz von Meßstreifenauszügen müssen die Diagnosefelder nicht überall gleich gestaltet sein, sondern es kann vielmehr vorteilhaft sein, Diagnosefelder mit verschiedenen Rastertonwerten beispielsweise von Farbdosierzone zu Farbdosierzone abwechseln zu lassen.The second set of measuring strip extracts, which is to be used as an alternative, differs from the first set of measuring strip extracts in that the individual measuring fields in the films are not designed as control fields for the full tone, but rather as corresponding diagnostic fields (coarse, fine grid, micro measuring elements, sliding / duplicating fields, etc.) are. In this set of measuring strip extracts, the diagnostic fields do not have to be the same everywhere, but rather it can be advantageous to have diagnostic fields with different halftone values, for example alternating from ink metering zone to ink metering zone.
Wird mit einem derartigen Druckkontrollstreifen, der beispielsweise für eine Zahl von maximal 10 Farben zu verwenden ist, ein sechsfarbiger Druckauftrag erstellt (4 Grundfarben, 2 Sonderfarben), so werden für die insgesamt 6 Farben die entsprechenden 6 Meßstreifenauszüge mit den entsprechenden Kontrollfeldern des Volltons auf die entsprechenden Druckplatten mitkopiert. Von dem Satz der Meßstreifenauszüge mit den Kontrollfeldern des Volltons bleiben somit insgesamt 4 Meßstreifenauszüge unbenutzt. Statt dieser nicht verwendbaren Meßstreifenauszüge verwendet man nun die alternativ dazu vorgesehenen Meßstreifenauszüge mit Diagnosefeldern, wobei jeweils ein Meßstreifenauszug mit Diagnosefeldern zusätzlich mit dem Meßstreifenauszug der Kontrollfeldern auf je eine Druckplatte einer zu druckenden Farbe mitkopiert wird.If a six-color print job is created with such a print control strip, which is to be used, for example, for a maximum of 10 colors (4 basic colors, 2 special colors), then the corresponding 6 measuring strip extracts with the corresponding control fields of the full tone are assigned to the 6 colors copied corresponding printing plates. The total of the set of measuring strip extracts with the control fields of the full tone thus remains 4 measuring strip extracts not used. Instead of these measuring strip extracts that cannot be used, the measuring strip extracts with diagnostic fields provided as an alternative are now used, a measuring strip extract with diagnostic fields being additionally copied with the measuring strip extract from the control fields onto a printing plate of a color to be printed.
Bei dem gemäß obigen Beispiel sechsfarbigen Druckauftrag, wobei 2 Sonderfarben gedruckt werden, kann es vorteilhaft sein, zusätzlich zu den 4 Grundfarben (Schwarz, Magenta, Cyan, Yellow) noch Diagnosefelder in Form von Meßfeldern des Rastertons mitzudrucken. Für die zwei Sonderfarben werden lediglich die Meßstreifenauszüge mit jeweils den Kontrollfeldern des Volltons mitkopiert. Dies ist insbesondere dann sinnvoll, wenn die Sonderfarben nur vollflächig aufgedruckt werden.In the case of the six-color print job according to the above example, whereby 2 special colors are printed, it can be advantageous to also print diagnostic fields in the form of measuring fields of the screen tone in addition to the 4 basic colors (black, magenta, cyan, yellow). For the two special colors, only the measuring strip excerpts with the control fields of the full tone are copied. This is particularly useful if the spot colors are only printed over the entire surface.
Anstelle von insgesamt 2 Sätzen von Meßstreifenauszügen für den Druckkontrollstreifen (max. N-Farben) können auch mehrere Sätze von Meßstreifenauszügen vorgesehen sein. So wäre es denkbar, daß neben den N-Filmen für die jeweils N-Farben im ersten Satz der Meßstreifenauszüge für die Kontrollfelder beispielsweise noch 2 weitere Sätze von Meßstreifenauszügen für die Diagnosefelder vorgesehen sind, wobei der eine Satz von Meßstreifenauszügen Diagnosefelder jeweils als Meßfelder des Rastertons von beispielsweise 40% und der weitere Satz von Meßstreifenauszügen Diagnosefelder als Rastertonmeßfelder mit beispielsweise 80% Flächendeckung im Film aufweist. Werden dann von den max. N möglichen Farben für diesen Druckkontrollstreifen zwei nicht gedruckt, so ist es möglich für eine gedruckte Farbe neben den Kontrollfeldern noch zusätzlich zwei verschiedene Diagnosefelder (Rasterton 40% und 80%) mitzudrucken oder bei insgesamt zwei verschiedenen Farben neben den Kontrollfeldern jeweils noch ein Diagnosefeld mit einer bestimmten Rastertonflächendeckung vorzusehen.Instead of a total of 2 sets of measuring strip extracts for the print control strip (max. N colors), several sets of measuring strip extracts can also be provided. It would be conceivable that, in addition to the N films for the N colors in each case, two further sets of measuring strip extracts for the diagnostic fields are provided in the first set of measuring strip extracts for the control fields, the one set of measuring strip extracts diagnostic fields each as measuring fields of the screen tone of, for example, 40% and the further set of measuring strip extracts has diagnostic fields as halftone measuring fields with, for example, 80% area coverage in the film. Are then from the max. N possible colors for this print control strip two not printed, so it is possible to print two different diagnostic fields (screen tones 40% and 80%) for one printed color or a total of two different colors next to the control fields, one diagnostic field with one each to provide certain grid tone coverage.
Des weiteren erfolgt die Erläuterung eines Ausführungsbeispiels der Erfindung anhand der Zeichnungen.Furthermore, an embodiment of the invention is explained with reference to the drawings.
Es zeigt:
- Fig. 1
- den Druckkontrollstreifen auf einem Bogen sowie darunter die entsprechenden Meßstreifenauszüge,
- Fig. 2
- schematisch die verschiedenen Sätze von Meßstreifenauszügen.
- Fig. 1
- the print control strip on a sheet as well as the corresponding measurement strip extracts underneath,
- Fig. 2
- schematically the different sets of measuring strip extracts.
Fig. 1 ist mit P ein Teil eines Druckbogens im Bereich dessen Vorderkante dargestellt. Auf diesem wurde ein Druckkontrollstreifen DK bestehend aus einzelnen Meßfeldern MF für die jeweiligen Farben mitgedruckt. Gestrichelt sind die einzelnen Farbdosierzonen dargestellt und diese mit 1 beginnend numeriert.Fig. 1 is shown with P a part of a printed sheet in the region of its front edge. A print control strip DK consisting of individual measuring fields MF for the respective colors was also printed on this. The individual color metering zones are shown in dashed lines and numbered starting with 1.
In diesem Ausführungsbeispiel sei ohne Beschränkung der allgemeinen Verwendbarkeit der Erfindung angenommen, daß die Breite einer Farbdosierzone 30 mm beträgt und ein Meßfeld MF die Breite von 3 mm aufweist. Somit können in einer Farbdosierzone max. 10 Meßfelder vorgesehen sein und bei der noch zu erläuternden Ausgestaltung des Druckkontrollstreifens DK wären somit insgesamt 10 Farben zu regeln.In this exemplary embodiment, without restricting the general applicability of the invention, it is assumed that the width of an ink metering zone is 30 mm and that a measuring field MF has a width of 3 mm. This means that max. 10 measuring fields are provided and in the configuration of the print control strip DK to be explained, a total of 10 colors would have to be regulated.
Unterhalb des Druckkontrollstreifens DK auf dem Druckbogen P sind mit MA1.1, MA2.1,...., MA10.1 die verschiedenen, auf die jeweiligen Druckplatten (bzw. die Filme) der einzelnen Farben mitzukopierenden Meßstreifenauszüge dargestellt. Im Ausführungsbeispiel nimmt im Meßstreifenauszug MA1.1 das Meßfeld MF die jeweils erste Position von links beginnend in jeder Farbdosierzone ein. Entsprechend der Breite des Meßfeldes versetzt nimmt im Meßstreifenauszug MA2.1 für diese Druckfarbe das Meßfeld MF die zweite Position in jeder Farbdosierzone ein. Entsprechendes gilt für die übrigen Meßfelder in den jeweiligen Meßstreifenauszügen MA3.1,...., MA10.1.Below the print control strip DK on the printed sheet P, MA1.1, MA2.1, ...., MA10.1 show the various measuring strip extracts to be copied onto the respective printing plates (or the films) of the individual colors. In the exemplary embodiment, in the measuring strip extract MA1.1, the measuring field MF takes the first position from the left in each color metering zone. Depending on the width of the measuring field, the measuring field MF assumes the second position in each ink metering zone in the measuring strip extract MA2.1 for this printing ink. The same applies to the other measuring fields in the respective measuring strip extracts MA3.1, ...., MA10.1.
Wird nun mit diesem Druckkontrollstreifen DK ein Auftrag mit sechs Farben gedruckt, wäre entsprechend für die sechs zu druckenden Farben auf den sechs Druckplatten (bzw. deren Filme) jeweils ein Meßstreifenauszug MA1.1,...., MA6.1 mitzukopieren. Entsprechend blieben die Meßstreifenauszügen MA7.1,...., MA10.1 unbenutzt.Now, with this print control strip DK, an order with six Colors printed, a measuring strip extract MA1.1, ...., MA6.1 would have to be copied accordingly for the six colors to be printed on the six printing plates (or their films). Accordingly, the measuring strip extracts MA7.1, ...., MA10.1 remained unused.
Fig. 2 zeigt das Schema der mehreren vorgesehenen Sätze von Meßstreifenauszügen MA1-10.1, MA1-10.2, MA1-10.3 usw.. Da im ersten Satz von Meßstreifenauszügen MA1-10.1 die Meßstreifenauszüge MA7.1,...., MA10.1 ungenutzt bleiben, werden beispielsweise aus dem zweiten Satz von Meßstreifenauszügen MA1-10.2 vier Meßstreifenauszüge MA7.2,...., MA10.2 ausgewählt und jeweils ein Auszug dieses zweiten Satzes zusammen mit einem Meßstreifenauszug MA1.1,...., MA4.1 des ersten Satzes auf die jeweilige Druckplatte (bzw. Film) mitkopiert.FIG. 2 shows the diagram of the several sets of measuring strip extracts MA1-10.1, MA1-10.2, MA1-10.3 etc. provided. In the first set of measuring strip extracts MA1-10.1 the measuring strip extracts MA7.1, ...., MA10.1 are not used remain, for example four measuring strip extracts MA7.2, ...., MA10.2 are selected from the second set of measuring strip extracts MA1-10.2 and one extract of this second set together with a measuring strip extract MA1.1, ...., MA4. 1 of the first sentence copied onto the respective printing plate (or film).
Gemäß dem oben beschriebenen einfachen Prinzip dieses Ausführungsbeispiels ergibt sich somit folgender Sachverhalt: Wegen des einfachen Versatzes der Meßfelder MF in den einzelnen Meßstreifenauszügen MA1-10.1, MA1-10.2 usw. sowie der Ausbildung der Meßfelder im ersten Meßstreifenauszugsatz MA1-10.1 als Kontrollfelder des Volltons und der Ausbildung der Meßfelder MF im zweiten Meßstreifenauszugssatz MA1-10.2 als Diagnosefelder (z.B. Raster) sind somit in jeder Farbdosierzone die ersten sechs Meßfelder MF als Kontrollfelder des Volltons den jeweiligen Druckfarben zugeordnet und die verbleibenden vier Meßfelder MF bilden dabei je ein Diagnosefeld des Rastertons für die ersten 4 Druckfarben.According to the simple principle of this embodiment described above, the following situation arises: Because of the simple offset of the measuring fields MF in the individual measuring strip extracts MA1-10.1, MA1-10.2 etc. and the design of the measuring fields in the first measuring strip extract set MA1-10.1 as control fields of the full tone and the formation of the measuring fields MF in the second measuring strip extract set MA1-10.2 as diagnostic fields (e.g. raster), the first six measuring fields MF as control fields of the full tone are assigned to the respective printing inks in each color metering zone and the remaining four measuring fields MF each form a diagnostic field of the raster tone for the first 4 inks.
Wie bereits erwähnt können mehrere alternativ zu verwendende Sätze von Meßstreifenauszügen für Diagnosfelder MA1-10.2, MA1-10.3 usw. vorgesehen sein. Es kann beispielsweise bei bestimmten Druckaufträgen vorteilhaft sein, für die eine Druckfarbe Diagnosefelder als Meßfelder des Rastertons mit 40% Flächendeckung und bei einer anderen Druckfarbe jedoch Rastertonmeßfelder mit 80% Flächendeckung mitzudrucken. Dementsprechend könnte der zweite Satz von Meßstreifenauszügen MA1-10.2 jeweils Diagnosefelder als Meßfelder MF des Rastertons mit 40% Flächendeckung und der dritte Satz von Meßstreifenauszügen MA1-10.3 jeweils Diagnosefelder im Rasterton mit 80% Flächendeckung enthalten.As already mentioned, several sets of measuring strip extracts for diagnostic fields MA1-10.2, MA1-10.3, etc., which can be used alternatively, can be provided. For example, it may be advantageous for certain print jobs to include diagnostic fields for one printing ink as measuring fields of the screen tone with 40% area coverage and for another printing ink, however, screen tone measuring fields with 80% area coverage. Accordingly, the second set of measuring strip extracts MA1-10.2 could each have diagnostic fields as measuring fields MF of the Screen tones with 40% area coverage and the third set of measuring strip extracts MA1-10.3 each contain diagnostic fields in the screen tone with 80% area coverage.
Erfindungsgemäß muß entgegen diesem Ausführungsbeispiel nicht vorgesehen sein, daß zu jedem Meßstreifenauszug mit Kontrollfeldern des ersten Satzes jeweils ein weiterer Meßstreifenauszug mit Diagnosefeldern vorgesehen ist. Um die Zahl der Filmstreifen zu minimieren, wäre es z.B. möglich, daß für die ersten 4 Druckfarben, welche meist durch die 3 Buntfarben nebst Schwarz belegt sind, lediglich vier einzelne Meßstreifenauszüge mit ausschließlich Kontrollfeldern des Volltons vorgesehen sind und für die weiteren beispielsweise sechs Farben sowohl ein Satz von Meßstreifenauszügen mit Kontrollfeldern des Volltons als auch ein zweiter oder zusätzlich weitere Sätze von Meßstreifenauszügen mit jeweils Diagnosefeldern des Rastertons oder sonstigen Ausbildung vorgesehen sind.Contrary to this exemplary embodiment, it does not have to be provided according to the invention that for each measuring strip extract with control fields of the first set, a further measuring strip extract with diagnostic fields is provided. In order to minimize the number of film strips, it would be e.g. It is possible that for the first 4 printing colors, which are mostly occupied by the 3 chromatic colors in addition to black, only four individual measuring strip extracts with only control fields of the full tone are provided, and for the other six colors, for example, a set of measuring strip extracts with control fields of the full tone as well as one second or additional sets of measuring strip extracts, each with diagnostic fields of the raster tone or other training are provided.
Im zuvor beschriebenen Ausführungsbeispiel waren die sogenannten Regelfelder als Meßfelder des Volltons ausgebildet und bei den Diagnosefeldern in den alternativ dazu zu verwendenden Meßstreifenauszügen handelte es sich beispielsweise um Meßfelder des Rastertons. Selbstverständlich können je nach Regelart die Meßfelder des ersten Satzes von Meßstreifenauszügen auch als Meßfelder des Rastertons (bestimmte Flächendeckung) und die Diagnosefelder in den eventuell mitzukopierenden zweiten, dritten usw. Meßstreifenauszügen als Meßfelder des Volltons, des Rastertones (mit anderer Flächendeckung) oder sonstiger Strukturierung ausgebildet sein.In the exemplary embodiment described above, the so-called control fields were designed as measuring fields of the full tone, and the diagnostic fields in the measuring strip extracts to be used as alternatives were, for example, measuring fields of the raster tone. Of course, depending on the type of rule, the measuring fields of the first set of measuring strip extracts can also be designed as measuring fields of the grid tone (certain area coverage) and the diagnostic fields in the second, third, etc. measuring strip extracts that may also be copied as measuring fields of the full tone, the grid tone (with different area coverage) or other structuring his.
- PP
- DruckbogenPrinted sheet
- DKDK
- DruckkontrollstreifenPrint control strips
- MFMF
- MeßfeldMeasuring field
- MA1.1,....,MA10.1MA1.1, ...., MA10.1
- Meßstreifenauszug (des ersten Satzes)Excerpt from the measuring strip (of the first set)
- MA1.2,....,MA10.2MA1.2, ...., MA10.2
- Meßstreifenauszug (des zweiten Satzes)Excerpt from the measuring strip (of the second set)
- MA1-10.1MA1-10.1
- erster Satz Meßstreifenauszügefirst set of measuring strip extracts
- MA1-10.2MA1-10.2
- zweiter Satz Meßstreifenauszügesecond set of measuring strip extracts
Claims (6)
- Print control strips for control and maintenance of the printing process particularly of halftone operating printing presses, wherein the print control strip has a plurality of photoelectrically sensable measuring fields for each ink to be printed and the print control strip consists of individual measuring strip separations coordinated to the respective inks, which have the individual measuring fields at positions provided therefor and which can be copied on to the respective printing plate (film) characterised in that provided relative to the measuring strip separation (MA1.1, MA2.1,....,) with the measuring fields (MF) of at least one ink, at least a further measuring strip separation (MA1.2, MA2.2,....) is provided, which has at just the same places differently constructed measuring fields (MF) and that this second measuring strip separation (MA1.2, MA2.2,....) with not printing of this ink can be copied together with a measuring strip separation (MA1.1, MA2.1,....) with an ink to be printed.
- Print control strip according to Claim 1, characterised in that for a first number of inks, there is provided in each case only one measuring strip separation (MA1.1, MA2.1,...) with the corresponding measuring fields (MF) as control fields, and for the remaining inks of the print control strip both measuring strip separations (MA1.1, MA2.1,...) with measuring fields as control fields and also measuring strip separations (MA1.2, MA2.2,...) with measuring fields as diagnosis fields are provided.
- Print control strip according to Claim 2, characterised in that the control fields are constructed as measuring fields (MF) of the full tone and the diagnosis fields as measuring fields (MF) for given raster tone values.
- Print control strip according to Claim 2, characterised in that the control fields are constructed as measuring fields (MF) of given raster tone value and the diagnosis field as measuring fields (MF) with surface coverage differing thereto (full tone, raster tone).
- Print control strip according to Claim 1, characterised in that the measuring fields (MF) and a print control strip (DK) are constructed in the individual measuring strip separations (MA1.1, MA2.1, MA3.1, etc.) of the first set of measuring strip separations (MA1-10.1) as full tone measuring fields and at least a second set of measuring strip separations (MA1-10.2) is provided, wherein these measuring strip separations (MA1.2, MA2.2, MA3.2, etc.) have in each case measuring field (MF) of the raster tone of a given surface coverage.
- Print control strip according to Claim 1, characterised in that the measuring fields (MF) of the print control strip (DK) are constructed in the individual measuring strip separations (MA1.1, MA2.1, MA3.1, etc.) of the first set of measuring strip separations (MA1-10.1) as raster tone measuring fields and at least a second set of measuring strip separations (MA1-10.2) is provided wherein these measuring strip separations (MA1.2, MA2.2, MA3.2 etc.) have in each case measuring fields (MF) with surface coverage differing thereto (full tone, raster tone).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4232434 | 1992-09-28 | ||
| DE4232434A DE4232434C2 (en) | 1992-09-28 | 1992-09-28 | Print control strips for controlling the discoloration in an autotypical working multi-web printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0590282A1 EP0590282A1 (en) | 1994-04-06 |
| EP0590282B1 true EP0590282B1 (en) | 1996-10-16 |
Family
ID=6469006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93112785A Expired - Lifetime EP0590282B1 (en) | 1992-09-28 | 1993-08-10 | Control strips for controlling and monitoring the printing process |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0590282B1 (en) |
| JP (1) | JP2543320B2 (en) |
| AT (1) | ATE144190T1 (en) |
| DE (2) | DE4232434C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439071A1 (en) | 2010-10-11 | 2012-04-11 | KBA-NotaSys SA | Color control pattern for the optical measurement of colors printed on a sheet-like or web-like substrate by means of a multicolor printing press and uses thereof |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338976C3 (en) * | 1993-11-15 | 2002-06-06 | Fogra Forschungsgesellschaft D | Arrangement of several control fields |
| DE4338975A1 (en) * | 1993-11-15 | 1995-05-18 | Fogra Forschungsgesellschaft D | Printing control field formation system |
| DE19533810B4 (en) * | 1995-09-13 | 2006-04-20 | Heidelberger Druckmaschinen Ag | Method for controlling an imaging of a printing form support for a printing press |
| KR20040053110A (en) † | 2001-10-15 | 2004-06-23 | 도판 인사츠 가부시키가이샤 | Printing method, printed matter, and printing controller |
| DE102005041181A1 (en) * | 2005-08-31 | 2007-05-10 | Man Roland Druckmaschinen Ag | Pint control stripe producing method for e.g. controlling printing process, involves producing print control stripe by verifying for each color zone whether trapping for spectra color that is to be printed lies below threshold value |
| WO2008053719A1 (en) * | 2006-10-31 | 2008-05-08 | Konica Minolta Medical & Graphic, Inc. | Plate making method, printing plate image output device, image editing device and printing plate image output system |
| US11813840B2 (en) | 2020-10-15 | 2023-11-14 | Koenig & Bauer Ag | Print control strip, substrate, and method for controlling by open-loop control and/or closed-loop control at least one component of a processing machine |
| DE102021101122A1 (en) | 2021-01-20 | 2022-07-21 | Koenig & Bauer Ag | Punching machine with at least one sensor device and sheet with at least one print control strip and method for controlling and/or regulating at least one component of a punching machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3219744A1 (en) * | 1982-05-26 | 1983-12-01 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | EQUIPMENT FOR STANDALIZED AND FIT FILM ASSEMBLY OF PRINT CONTROL STRIPS |
| DE3643721A1 (en) * | 1986-12-20 | 1988-06-30 | Heidelberger Druckmasch Ag | PRINT CONTROL STRIP |
| DE3942254A1 (en) * | 1989-12-21 | 1991-07-04 | Krzyminski Harald | PRINT CONTROL STRIP |
| DE4038574C2 (en) * | 1990-12-04 | 1999-05-27 | Roland Man Druckmasch | Process for controlling the printing ink order in the production of multicolored printed products |
-
1992
- 1992-09-28 DE DE4232434A patent/DE4232434C2/en not_active Expired - Fee Related
-
1993
- 1993-08-10 DE DE59304184T patent/DE59304184D1/en not_active Expired - Fee Related
- 1993-08-10 EP EP93112785A patent/EP0590282B1/en not_active Expired - Lifetime
- 1993-08-10 AT AT93112785T patent/ATE144190T1/en active
- 1993-09-28 JP JP5241498A patent/JP2543320B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2439071A1 (en) | 2010-10-11 | 2012-04-11 | KBA-NotaSys SA | Color control pattern for the optical measurement of colors printed on a sheet-like or web-like substrate by means of a multicolor printing press and uses thereof |
| WO2012049610A1 (en) | 2010-10-11 | 2012-04-19 | Kba-Notasys Sa | Color control pattern for the optical measurement of colors printed on a sheet or web substrate by means of a multicolor printing press and uses thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06198851A (en) | 1994-07-19 |
| DE4232434C2 (en) | 1996-06-13 |
| DE4232434A1 (en) | 1994-04-07 |
| ATE144190T1 (en) | 1996-11-15 |
| DE59304184D1 (en) | 1996-11-21 |
| EP0590282A1 (en) | 1994-04-06 |
| JP2543320B2 (en) | 1996-10-16 |
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