EP1759845B1 - Verfahren zur Regelung von drucktechnischen Prozessen - Google Patents
Verfahren zur Regelung von drucktechnischen Prozessen Download PDFInfo
- Publication number
- EP1759845B1 EP1759845B1 EP06017947A EP06017947A EP1759845B1 EP 1759845 B1 EP1759845 B1 EP 1759845B1 EP 06017947 A EP06017947 A EP 06017947A EP 06017947 A EP06017947 A EP 06017947A EP 1759845 B1 EP1759845 B1 EP 1759845B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- data
- characteristic
- printing
- printing stage
- 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.)
- Not-in-force
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
- B41F33/0045—Devices for scanning or checking the printed matter for quality control for automatically regulating the ink supply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/02—Arrangements of indicating devices, e.g. counters
Definitions
- the invention relates to a method for the regulation of printing processes according to the preamble of claim 1.
- DE 198 02 920 discloses a device for zonal and at least substantially the entire length of a Drucker detecting color measurement in a rotary printing machine with a plurality of printing units for printing a printing material or sheets in multiple colors, each color zone for the inks cyan, yellow and magenta common measuring device and for the Printing ink Black a separate measuring device is present, each comprising a light source per color zone, the measuring devices each having a control device is generated, the basis of a comparison between the color measured by the measuring device color continuum and scanner readings or Vorgenmeß tone Sollfarbver notoriousskurven containing color zone values per ink, wherein the control means comprises a color control calculator which determines the color zone set points and, by comparison with the color continuum measured by the measuring means, control values for the opening of the color zones adjusting means supplies.
- a method for monitoring the print quality multicolor raster print templates of an offset printing machine wherein in addition to the known determination of the area coverage, the average color raster point thickness of the primary colors participating in the pressure is determined in the measurement segment by digitized color separation images are generated in three spectral regions of the test segment to be tested, and wherein the geometrical resolution of the image grid is higher than that of the print grid, and the desired mean color grid point thickness in the measurement segment is determined from these color separation images by determining the average gray value of the purely primary-color pixels.
- the DE 42 37 004 C2 discloses a non-marking control method for controlling the color density of a printed product, wherein for this purpose the printed image of the printed product is measured directly by means of sensors. Actual values determined here are compared with reference values which are based on image data or prepress data.
- the DE 101 49 158 A1 discloses a likewise without a brand-working method for cutting register control on a printing machine, wherein also in this method for the control pressure pre-stage-based setpoints are used.
- the present invention has the object to provide a novel method for the regulation of printing processes.
- the or each pressure pre-stage-based setpoint value is determined from prepress data and taking into account data about the characteristic of the sensor, with whose actual value the desired value is compared.
- the or each pre-pressure based setpoint is determined from the prepress data, data on the characteristic of the sensor, and data on the characteristic of the printing process.
- a predetermined by Druckvorinsky target print image is converted taking into account the characteristics of each sensor and the characteristic of the printing process in an intermediate image, based on the intermediate image of the respective target value is determined for the control.
- a characteristic of the respective sensor a grayscale resolution or color intensity resolution and / or a spectral sensitivity and / or a geometric resolution and / or a measuring speed of the sensor are used.
- a speed of the printing process is used.
- FIG Fig. 1 described in more detail.
- Fig. 1 schematically shows the structure of a control loop for carrying out the method according to the invention for controlling a printing process.
- the printing process to be controlled or the printing process is in Fig. 1 represented by a block 10, wherein at least one controlled variable of the printing process 10 is measured by means of at least one sensor.
- Fig. 1 shows an actual value 11 of the printing process 10 to be controlled as the measuring signal of a sensor.
- the actual value 11 is compared with a desired value 12 to form a control deviation 13, wherein the control deviation 13 is fed to a controller 14 as input, which generates a control variable 15 based on the control deviation 13 and a regulator law as the output variable, which is to be controlled as input to the controller printing process 10 is used.
- the printing process 10 to be controlled it may, for. B. to a cut register control, color register control or color density control.
- control method operates without a mark, ie without the use of print control marks printed on a printed product to be produced. Accordingly, a sensor for measuring the printed product and thus for providing the actual value 11 immediately measures the printed image of the printed product, whereby the actual value 11 provided in this case is compared with a pressure-preset-based desired value 12.
- the pressure-bias-based setpoint value 12 on the one hand on the basis of prepress data 16 of the print image to be printed and on the other hand on the basis of data 17 on the characteristic of the sensor with whose actual value the setpoint value is compared.
- the data 17 can also contain data about the characteristic of the printing process to be controlled, which are then also taken into account in the provision or determination of the desired value 12.
- Data 18 of an intermediate image are generated from the pre-print data 16 of the print image to be printed and from the data 17 about the characteristics of the sensor and the printing process to be controlled, the data 18 of the intermediate image being reduced in scope relative to the pre-press data 16 of the print image to be printed, and contain only such partial data from the Druckvortrertz 16, which can be determined or detected by the sensor.
- relevant data 19 can be determined for the regulation of the printing process, which can be used as setpoint 12 for the control of the printing process 10.
- the setpoint value 12 for controlling the printing process 10 is thus derived from prepress data 16 of the print image or subject to be printed, taking into account data 17 on the characteristics of the sensor used and optionally on the characteristics of the printing process ,
- the actual value 11 provided by the sensor is compared with a setpoint value 12 adapted to the sensor, which exclusively contains data which can be detected by the sensor on the printed product during the printing process. This makes it possible to limit the amount of data to be handled, without affecting the achievable rule quality.
- a gray level resolution or a color level resolution and / or a spectral sensitivity and / or a geometric resolution and / or a measurement speed of the sensor can be taken into account when determining a corresponding desired value.
- the greyscale resolution or the color intensity resolution as well as the spectral sensitivity of the sensor are taken into account when determining a corresponding desired value by filtering the prepress data.
- a geometric scaling of the prepress data can take place.
- a cut register control using a designed as a contrast sensor sensor are performed, as the characteristic of the contrast sensor, which is a light-dark sensor, the grayscale resolution of the contrast sensor, the size of a light spot thereof and the spectral sensitivity of the same considered .
- prepress data of the print image to be printed is then converted into data of the intermediate image. This is done, as already mentioned, by filtering as well as geometric scaling of the prepress data.
- the sensor used does not detect individual colors of the prepress data due to its spectral sensitivity, then these spectral regions are filtered out when the data of the intermediate image is generated.
- certain structural elements of a printed image can be filtered out of the prepress data, in particular if the resolution of the sensor is lower than the resolution of the prepress data.
- the amount of data can be further reduced by way of geometric scaling of the prepress data, so that ultimately the data of the intermediate image from which the corresponding desired value is determined are adapted to the reception characteristic of the sensor used ,
- the method according to the invention can be used in all printing technology processes which are to be controlled without the use of print control marks to be printed in a printed product and therefore without a mark.
- the prepress data can be adjusted based on the characteristics of the sensors used accordingly.
- the sensors can be, for example, contrast scanners, CCD line scan cameras or CCD area cameras, CMOS line scan cameras or CMOS area scan cameras or even fiber optic sensors.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Ink Jet (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005041179A DE102005041179A1 (de) | 2005-08-31 | 2005-08-31 | Verfahren zur Regelung von drucktechnischen Prozessen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1759845A2 EP1759845A2 (de) | 2007-03-07 |
EP1759845A3 EP1759845A3 (de) | 2010-11-17 |
EP1759845B1 true EP1759845B1 (de) | 2011-12-07 |
Family
ID=37308886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06017947A Not-in-force EP1759845B1 (de) | 2005-08-31 | 2006-08-29 | Verfahren zur Regelung von drucktechnischen Prozessen |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070047030A1 (ja) |
EP (1) | EP1759845B1 (ja) |
JP (1) | JP2007062374A (ja) |
KR (1) | KR20070026087A (ja) |
CN (1) | CN1931578A (ja) |
CA (1) | CA2557680A1 (ja) |
DE (1) | DE102005041179A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007016981A1 (de) * | 2007-04-10 | 2008-10-16 | Maschinenfabrik Wifag | Verfahren zum Messen der Farbqualität im Rollendruck |
DE102008023961A1 (de) * | 2008-05-16 | 2009-11-19 | Manroland Ag | Verfahren zur Regelung von drucktechnischen Prozessen |
JP5713587B2 (ja) * | 2010-06-29 | 2015-05-07 | 三菱重工印刷紙工機械株式会社 | 製函機,検査装置,及び製函機の印刷見当制御方法 |
ES2395182B1 (es) | 2011-08-12 | 2013-11-28 | Comexi Group Industries, Sau | Método para controlar la operación de una máquina impresora y máquina impresora flexográfica para su implementación. |
DE102012020911A1 (de) * | 2011-11-11 | 2013-05-16 | Heidelberger Druckmaschinen Ag | Färbungswächter für Druckmaschinen |
EP2712732B1 (en) * | 2012-09-28 | 2018-06-27 | Fujifilm Corporation | Printing relief plate, printing relief plate producing apparatus, printing apparatus, printing pressure determining apparatus, and methods therefor |
CN103182836A (zh) * | 2013-03-29 | 2013-07-03 | 广西南宁市万豪佳鑫纸业有限责任公司 | 一种具有含水量检测能力的印刷机系统 |
DE102019110853B4 (de) * | 2019-04-26 | 2022-05-12 | Koenig & Bauer Ag | Bogenbearbeitungsmaschine und Verfahren zur Inspektion zumindest eines verbliebenen und von einer Formgebungseinrichtung bearbeiteten Teils zumindest eines Bogens |
DE102019110854A1 (de) * | 2019-04-26 | 2020-10-29 | Koenig & Bauer Ag | Verfahren zur Inspektion zumindest eines Bogens und Vorrichtungen zur Inspektion zumindest eines Bogens |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD274787A1 (de) * | 1988-08-11 | 1990-01-03 | Adw Ddr Kybernetik Inf | Verfahren und anordnung zur bestimmung der flaechenbedeckung der primaerfarben in messsegmenten mehrfarbiger druckvorlagen einer offset-druckmaschine |
DD274786A1 (de) * | 1988-08-11 | 1990-01-03 | Adw Ddr Kybernetik Inf | Verfahren und anordnung zur ueberwachung der druckqualitaet mehrfarbiger rasterdruckvorlagen einer offset-druckmaschine |
DE4237004C2 (de) * | 1992-11-02 | 1996-07-04 | Mohndruck Reinhard Mohn Ohg | Verfahren zur Online-Messung der Einfärbung von Druckprodukten |
DE4321179A1 (de) * | 1993-06-25 | 1995-01-05 | Heidelberger Druckmasch Ag | Verfahren und Einrichtung zur Steuerung oder Regelung von Betriebsvorgängen einer drucktechnischen Maschine |
US5903712A (en) * | 1995-10-05 | 1999-05-11 | Goss Graphic Systems, Inc. | Ink separation device for printing press ink feed control |
DE19617016A1 (de) * | 1996-04-27 | 1997-11-27 | Thomas Fuchs | Verfahren zur Steuerung der Farbgebung einer Druckmaschine |
DE19802920B4 (de) * | 1998-01-27 | 2008-01-31 | Man Roland Druckmaschinen Ag | Verfahren und Vorrichtung zur Farbregelung in Druckmaschinen |
DE19855177A1 (de) * | 1998-11-30 | 2000-06-08 | Windmoeller & Hoelscher | Verfahren zur automatischen Umfangs- und Seitenregistereinstellung von Druckwalzen |
DE19936291B4 (de) * | 1999-08-02 | 2015-12-24 | Wifag Maschinenfabrik Ag | Bestimmung von Schnittlagen von Bahnsträngen in einer Rotationsdruckmaschine |
US6801336B1 (en) * | 1999-08-30 | 2004-10-05 | Creo Inc. | System and method for producing halftoned color separations for an output imaging device |
DE10056723A1 (de) * | 1999-12-15 | 2001-06-21 | Heidelberger Druckmasch Ag | Verfahren zur Erzeugung eines an einen realen Prozeß angepaßten zweiten Bilddatensatzes aus einem ersten Bilddatensatz und Colour-Management-Verfahren |
GB0004427D0 (en) * | 2000-02-24 | 2000-04-12 | Xeikon Nv | Cleaning device |
DE10042680A1 (de) * | 2000-08-31 | 2002-03-14 | Heidelberger Druckmasch Ag | Verfahren zur Korrektur lokaler, maschinenbedingter Färbungsfehler an Rotationsdruckmaschinen |
US6564714B2 (en) * | 2000-12-06 | 2003-05-20 | Delaware Capital Formation, Inc. | Spectral color control method |
US6693723B2 (en) * | 2001-01-12 | 2004-02-17 | Hewlett-Packard Development Company, Lp. | Image forming device fast draft print mode |
DE10149158B4 (de) * | 2001-10-04 | 2010-07-22 | Wifag Maschinenfabrik Ag | Verfahren und Vorrichtung zur Ermittlung der Position einer bedruckten Papierbahn |
JP3967935B2 (ja) * | 2002-02-25 | 2007-08-29 | 株式会社日立製作所 | 合わせ精度計測装置及びその方法 |
CN100382073C (zh) * | 2003-03-27 | 2008-04-16 | 佳能株式会社 | 图像形成系统、图像形成系统的控制方法 |
DE10361936B4 (de) * | 2003-12-29 | 2006-04-13 | Lpcon Gmbh | Vorrichtung zur Fehlererkennung an Druckbildern während des Druckprozesses |
DE102004021600A1 (de) * | 2004-05-03 | 2005-12-08 | Gretag-Macbeth Ag | Vorrichtung zur Inline-Überwachung der Druckqualität bei Bogenoffsetdruckmaschinen |
-
2005
- 2005-08-31 DE DE102005041179A patent/DE102005041179A1/de not_active Withdrawn
-
2006
- 2006-08-25 JP JP2006229321A patent/JP2007062374A/ja active Pending
- 2006-08-29 EP EP06017947A patent/EP1759845B1/de not_active Not-in-force
- 2006-08-29 CA CA002557680A patent/CA2557680A1/en not_active Abandoned
- 2006-08-29 KR KR1020060082162A patent/KR20070026087A/ko not_active Application Discontinuation
- 2006-08-30 US US11/512,659 patent/US20070047030A1/en not_active Abandoned
- 2006-08-31 CN CNA2006101266347A patent/CN1931578A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1931578A (zh) | 2007-03-21 |
EP1759845A3 (de) | 2010-11-17 |
JP2007062374A (ja) | 2007-03-15 |
CA2557680A1 (en) | 2007-02-28 |
EP1759845A2 (de) | 2007-03-07 |
US20070047030A1 (en) | 2007-03-01 |
DE102005041179A1 (de) | 2007-03-01 |
KR20070026087A (ko) | 2007-03-08 |
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