EP1167033B1 - Verfahren zur Voreinstellung und System zur Steuerung eines Farbwerks - Google Patents
Verfahren zur Voreinstellung und System zur Steuerung eines Farbwerks Download PDFInfo
- Publication number
- EP1167033B1 EP1167033B1 EP01113599A EP01113599A EP1167033B1 EP 1167033 B1 EP1167033 B1 EP 1167033B1 EP 01113599 A EP01113599 A EP 01113599A EP 01113599 A EP01113599 A EP 01113599A EP 1167033 B1 EP1167033 B1 EP 1167033B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- color
- coverage distribution
- distribution
- rollers
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
- B41F31/045—Remote control of the duct keys
Definitions
- the present invention relates to a method for presetting an inking unit and a system for controlling an inking unit in offset printing machines according to the The preamble of claims 1 and 8.
- Such a method and system are from document EP-A-881076.
- ink from an ink fountain becomes ink through an inking unit Plate cylinder and finally supplied to a blanket cylinder, of which latter the ink is transferred to a substrate (eg paper).
- the inking unit includes an ink fountain roller which picks up the paint on the ink fountain and places it on the fountain roller transfers.
- the lifting roller pivots between the ink fountain roller and a distributor roller back and forth and transfers in this way the color of the ink fountain roller on the Distributor roller. From this, the color on distributor rollers on other distributor rollers transfer the paint to several inking rollers.
- the Ink rollers transfer the color to the lipophilic surfaces of the Plate cylinder clamped pressure plate. From there, the inked print image on transfer the blanket.
- the transferred amount of ink is a decisive factor for the print quality. Too much Color in the inking unit smears the printed image. If too little color is on the other hand, the print image is too weak and the color is not evenly distributed.
- each ink fountain key determines the ink supply for a given color Area, d. H. a zonal color transmission path.
- Different types of Printing units have a different number of ink zones along the width of the Paint rollers on. The number of ink zones and the ink keys is in the Usually between six and sixty or even more.
- the ink supply depends on several variables. Due to the Flow properties of the paint is first of all the ratio between the gap at the Ink fountain key and the amount of ink supplied to a specific Ink fountain key not linear. In addition, the steady-state behavior of the color, d. H. the behavior of the paint and the inking unit in a stable state or State of equilibrium, of the type of printing ink, dampening solution and paper as well as the working temperature and the humidity in the printing shop. In addition, the various friction rollers in the inking effect a significant lateral Distribution of color, so that the one supplied to a certain zone on the blanket Quantity of paint not only from the corresponding ink fountain key this Color zone, but also determined by the adjacent ink keys.
- the setpoint of color transfer is usually during machine set up using a file or data from a disk scanner or a digital one Platesetter determined. Due to the different system-immanent parameters However, the actual setting of the ink fountain opening differs significantly from the target value of the color layer. It therefore always takes a certain amount of time to get started the press for a new print job, the correct inking setting for the continuous printing operation is reached. When the plate cylinder finally for the Continuous printing operation is made on the blanket cylinder, are some substrates printed with too much or too little color, so that much waste accumulates.
- the method for presetting an inking unit in an offset printing press comprises Method steps: input of a color registration distribution for an image to be printed, Setting color layer commands for the printed Color layer in each ink zone of the inking unit according to the ink coverage distribution; Simulation of a color feed process to calculate a simulated Color coverage distribution, being a steady state error between the color layer commands for the printed ink layer and the simulated ink coverage distribution Zero and color key presets are detected; and Presetting the ink fountain key of the inking unit before or at the beginning of the actual print job with the determined ink fountain key settings.
- a Printing plate is scanned by means of a plate scanner while the Color coverage distribution is determined.
- the input of the Color coverage distribution the acquisition of data from a file of a digital Include platesetter.
- the data can also be accessed directly from the prepress be taken over.
- the calculation of the color mass is preferably carried out by summing up the gap from the rollers on the ink transfer paths incoming color layers and the Divide the calculated color mass on the two rollers forming the gap according to a predetermined color layer cleavage rate. In this way, the amount of color in be calculated in an advantageous manner.
- the amount of ink entering the gap is a weighted sum of overlapping segments, the weight being proportional to Overlap rate is.
- An inventive system for controlling an inking unit of an offset printing press wherein the inking unit comprises a color box for supplying color depending on the respective settings of a variety of ink keys, each one zonal color transmission path, along the color from the color box is transferred to a printing substrate, and a variety of Color transfer column forming rollers with at least one distributor roller, a Plate cylinder and a blanket cylinder for printing on a substrate includes a device for receiving data inputs regarding the color registration distribution for an image to be printed, which is programmed to to simulate a proportional-integral control device, which with a variety of Adjusting elements is connected for each setting a Farbzonenschraubenö réelle a respective ink fountain key of the ink fountain; to paint layer commands for the Ink fountain keys of the paint box depending on the ink coverage distribution set; to simulate a color feed operation to calculate a simulated Color coverage distribution, whereby by means of feedback of printing unit information a Steady state error between the paint layer commands and the simulated Color coverage distribution is calculated; to zero the
- a computer-readable medium for.
- Fig. 1 shows an upper inking unit of an offset printing machine.
- the color is in Ink fountain 1, which has a flexible lower section formed by color doctor blades.
- the opening of the color doctor blade is determined by means of ink keys and controlled.
- the inking unit is subdivided into lateral zones, each with a color zone screw include.
- the invention is based on six color zones, d. H. of six Ink fountain keys along the width of the inking described.
- Inks of conventional offset printing machines can be any number of Have color zones.
- the present invention has been e.g. B. already at one Printing machine of the type M1000BE from Heidelberg Web Systems, New Hampshire, tested, which has 24 color zones.
- the ink is taken up by a ink fountain roller 2 from the ink fountain 1.
- a Lifting roller 3 oscillates between the ink fountain roller 2 and a ink transfer roller 5, which transfers the ink to a distributor roller 4.
- the distributor roller 4 oscillates laterally, d. H. with respect to their axis in the longitudinal direction, so that the color is rubbed laterally and remains at a constant temperature.
- the ink transfer rollers 5 connect the various Distributor rollers 4 with each other.
- Ink rollers 6 contact at least one Transfer roller 5 and transfer the color to a printing plate on a Plate cylinder 7. From there, the paint is applied to a blanket 8a of a Blanket cylinder 8 and then transferred to a paper web 9.
- the system is divided into zones s through which the entire color transmission path equal segments arise.
- the segments are separate elements that are in one digitized or discretized format can be processed.
- the number of Ink fountain keys of the ink fountain 1 in the embodiment described here defines six zones.
- several zone fields are on the periphery of the Blanket cylinder defined along the circumference.
- the present invention is based on a web-fed rotary offset printing machine described, but can also be used in sheet-fed rotary printing presses.
- a color layer command ie, a color layer thickness command
- the control device 10 defines the ink fountain key openings according to the transfer function G C.
- the presetting control system receives error signals from a measuring bar which measures the color thickness in each of the six zones on the blanket 8a. During the color adjustment before the actual printing process, the control system receives the error message from a measurement on the inking roller 6.
- the flowchart shown in Fig. 2 shows a printing unit simulation with an error feedback signal F (s).
- the commands for the desired ink layer thickness R (s) are input via an adder 11.
- the signals are processed in a control device 12 of the ink fountain keys.
- the control device 12 is implemented as a proportional integral control (PI) with a transfer function G C containing a proportional gain K P and an integral term K I / p, where K I represents the integral gain.
- PI proportional integral control
- the term p stands for the differential operator p ⁇ d / dt , and the term 1 / p for the differential operator
- the feedback of the system ie the printing unit, is defined as a transfer function H (s) which requires input of color registration for each zone s.
- the coverage corresponds to the desired color coverage of a zone determined by a disk scanner file or a file of a digital plate setter.
- the transfer function G C of the control system defines the final output signal C (s) - the ink fountain key adjustment on the ink fountain roller 2 - both after the initializing simulation and after the final color control preset calculation.
- the transfer function H (s) stands for the examined printing machine or the examined one Printing unit. It can be a simulation or the actual system.
- the Output of the feedback or simulation 14 stands for the actual color layer or the optical density on the blanket 8a or for the actually printed ink layer.
- the signal C (s) relates to the opening of the ink fountain keys on the ink fountain 1.
- C (s) is limited to 0 ⁇ C (s) ⁇ 20.
- the parameters K P and K i of the controller are set for each inking configuration to reduce the error and maintain stability.
- the reaction of the inking system depends on the speed at which the rollers 2-8 are driven and on the number of rollers involved.
- the goal is to approximate the error signal feedback F (s) (eg, the ink layer on the blanket) to R (s) by reducing the error signal E (s) to zero.
- the simulation output according to the invention represents the printed on the paper Coat of paint. If z. For example, assuming a color layer cleavage ratio of 1/2 (50:50), see The color layer printed on the paper is as thick as that on the blanket the gap formed between the blanket and the paper Coat of paint.
- a color control simulation is in six contiguous zones of the inking unit of an offset printing press of the type M1000BE shown by Heidelberg Web Systems. To simplify the implementation uniform coverage was assumed within all zones.
- the Ink fountain key width on the ink fountain is approximately 41 mm.
- the color registration distribution for the zones was as follows Percent coverage: 100, 10, 50, 30, 80, 100.
- the first prediction based on the calculations was that when trying the online color control by measuring the optical density (OD) and the Adjustment of the ink keys for a given laterally varying ink requirement and inherent lateral inking couple no zeroth order error, e.g. B. Stability, would result.
- the simulation was done with a temporal Inking system simulation program, a software-controlled multivariable Inking system simulation performed.
- the ink layer thickness on the blanket was called Loop feedback variable used, and each zone was determined by means of the Transfer function Gc (s) of PI control device 12 to the proportional-integral control process subjected to the error.
- the first simulation shown in FIG. 4 started with completely closed Ink fountain keys in all six zones.
- the target value for the printed color layer was set to 0.00254 mm.
- the graph shows the color layer on the blanket (which is directly proportional to the color layer on the paper) against the number of complete revolutions of the plate cylinder. In the range between about 50 and 100 Turns, a first overshoot was observed in all color zones. At about 150 revolutions resulted in a deficit in the ink supply to the plate cylinder. After one slight overshoot at about 230 revolutions, the system reached the steady State after about 260 revolutions. Both overshoot (smearing the color) as well as a deficit in the ink supply (pale, blurred print) are undesirable and lead to waste.
- the final color zone setting determined by the simulation then became used as the initial setting of a new production run of the same printing operation.
- the second run of the presetting operation shown in FIG Simulation or performed as an actual presetting process for the inking unit become.
- This open-process coupled process begins with an empty inking unit.
- the desired ink layer thickness is 0.00254 mm. As shown, none are Overshoots or deficits more noticeable. The system reaches after only about 100 revolutions of the plate cylinder the steady state.
- the color control can be used to preset the ink keys be used during setup of the machine. Once the simulation has a has reached stable state and the OD errors on the printed substrate are minimized, the determined ink fountain key openings as new Presets are used. The presets can be changed during the Setup can be determined by the necessary parameters such as the desired coverage and the color properties are entered into the processor.
- the processor program typically has the necessary information about the machine-specific parameters such. As the number and width of the ink zones, the Actuator information, etc.
- the color zone adjustment according to the invention not only for Preset to use the color zones, but also to change or Fine adjustments to be made during the continuous printing operation.
- the Simulation described parallel to the continuous printing operation to the necessary To get changes to the ink zone settings or to individual color zones and Subsequently, at the printing press.
- the Method is also in the adjustment of the inking unit before the actual printing process beneficial to ensure that the color as soon as you start the machine possible in the correct amount reaches the substrate. This is done by a Presetting of the inking unit reached before the inking rollers to the Plate cylinder are hired.
- the measurement of the ink film thickness for the feedback signal may be on the blanket respectively. It is also possible to measure the color layer thickness or the optical To measure density at a downstream location, e.g. B. on the cooling rollers.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
- Fig. 1
- eine schematische Darstellung eines Farbwerks einer Offsetdruckmaschine mit einem erfindungsgemäßen Farbsteuerungs-Voreinstellungssystem;
- Fig. 2
- ein Ablaufdiagramm des erfindungsgemäßen Verfahrens;
- Fig. 3
- ein Blockdiagramm, das ein Farbsteuerungssystem des Standes der Technik darstellt;
- Fig. 4
- ein Schaubild, das Farbsteuerungsbeispiele unter Einsatz des erfindungsgemäßen Verfahrens zeigt;
- Fig. 5
- eine schematische Darstellung einer beispielhaften Farbverteilung auf der Druckplatte; und
- Fig. 6
- ein Schaubild einer Ausführungsform eines Systems zur Voreinstellung der Farbzonenschrauben.
- Konfiguration des Farbwerks: die Durchmesser der verschiedenen Walzen und der Farbübertragungsweg, d. h. die Farbübertragungsspalte zwischen den verschiedenen Walzen;
- Durchmesser der Reiberwalzen: Die Reiberwalzen 4 definieren die seitliche Verwischung des Farbwerks. Das System enthält also Informationen über die Reiberwalzen, z. B. die Oszillationsfrequenz, die Amplitude und die relative Bewegungsphase.
- Farbschichtspaltung: die Farbschichtspaltungsrate definiert die Farbmenge, die an jedem Farbübertragungsspalt übertragen wird, d. h. der Teil der Farbmenge, der von der ersten Übertragungswalze nach dem Übertragungsspalt auf die nächste Walze übertragen wird.
- Parameter des Farbzufuhrmechanismus: Die Heberwalze, die zwischen der Farbkastenwalze und einer weiteren Übertragungswalze hin und her schwingt, ist durch eine Schwingungsperiode und durch den Zeitraum der Schwingungsperiode definiert, in dem die Heberwalze die Farbkastenwalze und die Übertragungswalze kontaktiert.
- Einteilung der Platte: Wenn die Platte in beispielsweise 30 seitliche Segmente und 50 Umfangssegmente unterteilt ist, enthält die Bildinformation 1500 einzelne Segmente, die jeweils eine bestimmte Deckung aufweisen, die wiederum selbst diskretisiert oder als Prozentwert ausgedrückt werden kann (0 bis 100%).
- Farbzufuhr: Im beschriebenen Ausführungsbeispiel beziehen sich Angaben zur Farbzufuhr auf die Farbschichtdicke auf der Farbkastenwalze.
gleichmäßige Deckung | endgültige Farbzoneneinstellung C(s) | |
Zone 1 | 100% | 430,0 |
Zone 2 | 10% | 0,0 |
Zone 3 | 50% | 151.6 |
Zone 4 | 30% | 80,3 |
Zone 5 | 80% | 1421,6 |
Zone 6 | 100% | 508,0 |
- 1
- Farbkasten
- 2
- Farbkastenwalze
- 3
- Heberwalze
- 4
- Reiberwalze
- 5
- Übertragungswalzen
- 6
- Auftragswalzen
- 7
- Plattenzylinder
- 8
- Gummituchzylinder
- 8a
- Gummituch
- 9
- Papierbahn
- 10
- Steuerungseinrichtung
- 11
- Addiervorrichtung
- 12
- Steuerungsvorrichtung
- 13
- Minimum/Maximum-Begrenzer
- 14
- Rückmeldevorrichtung
- C(s)
- Ausgabesignal
- E(s)
- Fehlersignal
- F(s)
- Fehler-Rückmeldesignal
- GC
- Transferfunktion
- H(s)
- Transferfunktion/Transfermatrix
- Kl
- integrale Verstärkung
- KP
- proportionale Verstärkung
- R(s)
- Befehle für die gedruckte Farbschicht
- s
- Zone
Claims (8)
- Verfahren zur Voreinstellung eines Farbwerks in einer Offsetdruckmaschine mit den Verfahrensschritten:
Eingabe einer Farbdeckungsverteilung für ein zu druckendes Bild, und
Einstellung von Farbschicht-Befehlen für die gedruckte Farbschicht in jeder Farbzone des Farbwerks gemäß der Farbdeckungsverteilung; gekennzeichnet durch die weiteren Schritten:Simulation eines Farbzufuhrvorgangs zur Berechnung einer simulierten Farbdeckungsverteilung, wobei ein Steady-State-Fehler zwischen den Farbschicht-Befehlen für die gedruckten Farbschicht und der simulierten Farbdeckungsverteilung auf Null gebracht wird und Farbzonenschraubenvoreinstellungen ermittelt werden; undVoreinstellung der Farbzonenschrauben des Farbwerks vor oder bei Beginn des eigentlichen Druckauftrags mit den ermittelten Farbzonenschraubenvoreinstellungen. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass bei der Eingabe der Farbdeckungsverteilung eine Druckplatte mittels eines Plattenscanners gescannt wird und die Farbdeckungsverteilung ermittelt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Eingabe der Farbdeckungsverteilung die Übernahme von Daten aus einer Datei eines digitalen Plattenbelichters umfasst. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Simulation folgende Schritte umfasst:Diskretisierung aller Farbübertragungswege im Farbwerk mit gleichgroßen Segmenten durch eine Einteilung in seitliche Segmente und Umfangssegmente;Drehung der Druckwerkskomponenten um ein Umfangssegment,Berechnung einer Farbmenge auf jedem Segment nach dem Durchlaufen eines zwischen zwei Walzen gebildeten Spalts;Berechnung einer seitlichen Überlappung der Segmente auf der Basis einer seitlichen Bewegung mindestens einer Reiberwalze in einem vorgegebenen Farbübertragungsweg;Wiederholung der Drehung der Druckwerkskomponenten und der Berechnungen für eine Vielzahl von Umdrehungen eines Plattenzylinders. - Verfahren nach Anspruch 4,
dadurch gekennzeichnet, dass die Berechnung der Farbmenge die Berechnung der Farbmasse durch Aufsummieren der in den Spalt von den Walzen auf den Farbübertragungswegen einlaufenden Farbschichten und das Aufteilen der berechneten Farbmasse auf die beiden den Spalt bildenden Walzen gemäß einer vorgegebenen Farbschichtspaltungsrate umfasst. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass die in den Spalt einlaufende Farbmenge eine gewichtete Summe überlappender Segmente ist, wobei die Gewichtung proportional zur Überlappungsrate ist. - Verfahren nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass weiterhin Parameter eines geschlossenen Farb-Regelkreises optimiert werden. - System zur Steuerung eines Farbwerks einer Offsetdruckmaschine, wobei das Farbwerk einen Farbkasten (1) zur Zufuhr von Farbe in Abhängigkeit von den jeweiligen Einstellungen einer Vielzahl von Farbzonenschrauben, die jeweils einem zonalen Farbübertragungsweg zugeordnet sind, entlang dem Farbe vom Farbkasten (1) auf einen zu bedruckenden Bedruckstoff (9) übertragen wird, und eine Vielzahl von Farbübertragungsspalte bildenden Walzen (2, 3, 4, 5, 6), mit mindestens einer Reiberwalze (4), einem Plattenzylinder (7) und einem Gummituchzylinder (8) zum Bedrucken eines Bedruckstoffs (9), umfasst; wobei das System zur Steuerung des Farbwerkes eine Steuerungseinrrichtung (10) zum Empfangen von Dateneingaben bezüglich der Farbdeckungsverteilung für ein zu druckendes Bild umfaßt und
wobei die Steuerungseinrrichtung (10) eine Ausgabe zum Ausgeben der Farbzonenschraubenvoreinstellungen des Farbwerks zu Beginn eines tatsächlichen Druckauftrags zum Drucken des Bildes umfasst
dadurch gekennzeichnet, daß die Steuerungseinrrichtung (10) dazu programmiert ist,eine Proportional-Integral-Steuerungseinrichtung (10) zu simulieren, die mit einer Vielzahl von Stellelementen verbunden ist, zum jeweiligen Einstellen einer Farbzonenschraubenöffnung einer jeweiligen Farbzonenschraube des Farbkastens, um Farbschicht-Befehle für die Farbzonenschrauben des Farbkastens (1) in Abhängigkeit von der Farbdeckungsverteilung einzustellen;einen Farbzufuhrvorgang zu simulieren zur Berechnung einer simulierten Farbdeckungsverteilung, wobei mittels Rückmeldung von Druckwerksinformationen ein Steady-State-Fehlers zwischen den Farbschicht-Befehlen und der simulierten Farbdeckungsverteilung berechnet wird; undden Steady-State-Fehler auf Null zu bringen und Farbzonenschraubenvoreinstellungen zu ermitteln;
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US606033 | 1996-02-22 | ||
US09/606,033 US6477954B1 (en) | 2000-06-28 | 2000-06-28 | Ink key presetting system for offset printing machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1167033A1 EP1167033A1 (de) | 2002-01-02 |
EP1167033B1 true EP1167033B1 (de) | 2005-02-23 |
Family
ID=24426228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01113599A Expired - Lifetime EP1167033B1 (de) | 2000-06-28 | 2001-06-15 | Verfahren zur Voreinstellung und System zur Steuerung eines Farbwerks |
Country Status (5)
Country | Link |
---|---|
US (1) | US6477954B1 (de) |
EP (1) | EP1167033B1 (de) |
JP (1) | JP2002019082A (de) |
AT (1) | ATE289545T1 (de) |
DE (2) | DE50105403D1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10106986B4 (de) * | 2001-02-15 | 2008-04-24 | Man Roland Druckmaschinen Ag | Verfahren zum Anfahren einer Offsetrotationsdruckmaschine |
DE10245702A1 (de) * | 2001-10-25 | 2003-05-08 | Heidelberger Druckmasch Ag | Anpassung der Farbsteuerung an die physikalischen Eigenschaften von Farbe und Bedruckstoff |
DE10312998B4 (de) * | 2002-04-03 | 2015-07-09 | Heidelberger Druckmaschinen Ag | Lernende Farbführung |
JP4024593B2 (ja) * | 2002-05-22 | 2007-12-19 | 大日本スクリーン製造株式会社 | インキ供給制御装置および印刷装置 |
GB2398272B (en) * | 2003-02-17 | 2006-03-22 | Goss Graphic Systems Ltd | Inking unit |
DE102004011239C5 (de) * | 2004-03-09 | 2023-07-27 | manroland sheetfed GmbH | Verfahren zur automatischen Farbvoreinstellung an mindestens einem Farbwerk einer Druckmaschine |
DE102009027383A1 (de) * | 2009-07-01 | 2011-01-05 | Manroland Ag | Verfahren zur Bestimmung von Voreinstellparametern für ein Farbwerk |
DE102009027384A1 (de) * | 2009-07-01 | 2011-01-05 | Manroland Ag | Verfahren zur Bestimmung von Voreinstellparametern für ein Farbwerk |
US9138982B2 (en) | 2011-04-27 | 2015-09-22 | Xerox Corporation | Image data based temperature control of a keyless inker |
US8508791B1 (en) | 2012-01-23 | 2013-08-13 | Xerox Corporation | Image feedforward laser power control for a multi-mirror based high power imager |
CN102529340B (zh) * | 2012-01-06 | 2014-04-02 | 西安理工大学 | 一种基于机器视觉的全印张墨量自动检测系统及检测方法 |
DE102013100916A1 (de) * | 2013-01-30 | 2014-07-31 | Manroland Web Systems Gmbh | Verfahren zur Regelung eines Parameters eines Farbwerks |
DE102014010082A1 (de) * | 2013-08-02 | 2015-02-05 | Heidelberger Druckmaschinen Ag | Taktheberverhältnis beim Color Booster |
EP4263224A1 (de) | 2020-12-16 | 2023-10-25 | Eco3 Bv | Make-ready-verfahren für eine lithographische druckmaschine |
CN113635671B (zh) * | 2021-08-12 | 2023-02-03 | 深圳市凯印科技有限公司 | 一种智能油墨预置方法及系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD238577A1 (de) | 1985-06-25 | 1986-08-27 | Polygraph Leipzig | Anpassungseinrichtung fuer ein druckmaschinen-farbwerkfernverstellsystem |
DE3707695A1 (de) * | 1987-03-11 | 1988-09-22 | Heidelberger Druckmasch Ag | Verfahren zur definierten erzeugung einer dem fortdruck nahen farbverteilung im farbwerk von rotationsdruckmaschinen |
JPH01141054A (ja) * | 1987-11-28 | 1989-06-02 | Sumitomo Heavy Ind Ltd | 印刷機におけるインキング装置のプリセット方法 |
DE4004056A1 (de) | 1990-02-10 | 1991-08-14 | Roland Man Druckmasch | Verfahren und vorrichtung zur farbsteuerung und zonenweisen voreinstellung |
GB2283940B (en) * | 1993-11-09 | 1996-09-11 | Rockwell International Corp | Printing press process controller |
GB2283834A (en) * | 1993-11-09 | 1995-05-17 | Rockwell International Corp | Adaptive process control system |
US5967049A (en) | 1997-05-05 | 1999-10-19 | Quad/Tech, Inc. | Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation |
US6318260B1 (en) * | 1997-05-05 | 2001-11-20 | Quad/Tech, Inc. | Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation |
-
2000
- 2000-06-28 US US09/606,033 patent/US6477954B1/en not_active Expired - Fee Related
-
2001
- 2001-06-15 EP EP01113599A patent/EP1167033B1/de not_active Expired - Lifetime
- 2001-06-15 AT AT01113599T patent/ATE289545T1/de not_active IP Right Cessation
- 2001-06-15 DE DE50105403T patent/DE50105403D1/de not_active Expired - Fee Related
- 2001-06-15 DE DE10128819A patent/DE10128819A1/de not_active Withdrawn
- 2001-06-28 JP JP2001196937A patent/JP2002019082A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE10128819A1 (de) | 2002-03-07 |
JP2002019082A (ja) | 2002-01-22 |
DE50105403D1 (de) | 2005-03-31 |
EP1167033A1 (de) | 2002-01-02 |
US6477954B1 (en) | 2002-11-12 |
ATE289545T1 (de) | 2005-03-15 |
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