EP1990196A3 - Method for controlling printing processes - Google Patents

Method for controlling printing processes Download PDF

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Publication number
EP1990196A3
EP1990196A3 EP08004535.4A EP08004535A EP1990196A3 EP 1990196 A3 EP1990196 A3 EP 1990196A3 EP 08004535 A EP08004535 A EP 08004535A EP 1990196 A3 EP1990196 A3 EP 1990196A3
Authority
EP
European Patent Office
Prior art keywords
measured
value
control
determined
actual value
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.)
Withdrawn
Application number
EP08004535.4A
Other languages
German (de)
French (fr)
Other versions
EP1990196A2 (en
Inventor
Alfons Schuster
Michael Schönert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
Manroland AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Manroland AG filed Critical Manroland AG
Publication of EP1990196A2 publication Critical patent/EP1990196A2/en
Publication of EP1990196A3 publication Critical patent/EP1990196A3/en
Withdrawn legal-status Critical Current

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Regelung von drucktechnischen Prozessen, insbesondere zur Schnittregister- oder Farbregisterregelung oder zur Messortbestimmung bei der Farbdichteregelung oder Farbortregelung an einer Druckmaschine, wobei zur Ermittlung mindestes eines Istwerts ein Messort auf einem Bedruckstoff mit Hilfe mindestens eines Sensors vermessen wird, wobei der oder jeder gemessene Istwert mit jeweils einem druckvorstufebasierten Sollwert verglichen wird, und wobei auf Basis mindestens einer aus dem oder jedem Istwert und dem jeweiligen Sollwert ermittelten Regelabweichung mindestens ein Stellsignal für den zu regelnden drucktechnischen Prozess ermittelt wird. Erfindungsgemäß wird vor der eigentlichen Regelung zur Kalibrierung der Regelung ein Versatz des von dem Sensor zu vermessenden Messorts bezüglich eines Leitsignals einer Druckmaschine derart automatisch ermittelt, dass ein druckvorstufebasierter Referenzwert mit einem Messwert des Sensors verrechnet wird, und dass auf Basis des hierbei ermittelten Versatzes die Erfassung des oder jedes Istwerte bei der eigentlichen Regelung erfolgt.

Figure imgaf001
The invention relates to a method for controlling printing processes, in particular for Schnittregister- or color register control or for measuring location in the color density control or color location control on a printing press, wherein for determining at least one actual value, a measuring location on a substrate by means of at least one sensor is measured, the or each measured actual value is in each case compared with a pressure-bias-based setpoint value, and based on at least one control deviation determined from the or each actual value and the respective setpoint, at least one actuating signal for the pressure-technical process to be controlled is determined. According to the invention, an offset of the measurement location to be measured by the sensor with respect to a control signal of a printing machine is determined automatically such that a pressure pre-stage-based reference value is offset with a measured value of the sensor, and that on the basis of the offset determined in this case, the detection of the or each actual value in the actual regulation.
Figure imgaf001
EP08004535.4A 2007-03-16 2008-03-12 Method for controlling printing processes Withdrawn EP1990196A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007012736A DE102007012736A1 (en) 2007-03-16 2007-03-16 Method for controlling printing processes

Publications (2)

Publication Number Publication Date
EP1990196A2 EP1990196A2 (en) 2008-11-12
EP1990196A3 true EP1990196A3 (en) 2014-04-23

Family

ID=39688221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08004535.4A Withdrawn EP1990196A3 (en) 2007-03-16 2008-03-12 Method for controlling printing processes

Country Status (2)

Country Link
EP (1) EP1990196A3 (en)
DE (1) DE102007012736A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023961A1 (en) * 2008-05-16 2009-11-19 Manroland Ag Method for controlling printing processes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5967050A (en) * 1998-10-02 1999-10-19 Quad/Tech, Inc. Markless color control in a printing press
EP1512531A1 (en) * 2003-09-02 2005-03-09 Abb Research Ltd. Inking control system for printing machines
WO2005102702A1 (en) * 2004-04-22 2005-11-03 Maschinenfabrik Wifag Device and method for recognition of register errors
DE102005005303A1 (en) * 2005-01-05 2006-07-13 Koenig & Bauer Ag Systems for tempering components of a printing machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915587C1 (en) * 1989-05-16 1990-11-08 Man Roland Druckmaschinen Ag, 6050 Offenbach, De Measurement element for multiple colour offset printing - determines match difference between two partial images independently of quality of image signal
US5412577A (en) * 1992-10-28 1995-05-02 Quad/Tech International Color registration system for a printing press
DE4237004C2 (en) 1992-11-02 1996-07-04 Mohndruck Reinhard Mohn Ohg Process for online measurement of the coloring of printed products
EP1080887A1 (en) * 1999-08-19 2001-03-07 Quad/Tech, Inc. Web position control system
DE10149158B4 (en) 2001-10-04 2010-07-22 Wifag Maschinenfabrik Ag Method and device for determining the position of a printed paper web

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5967050A (en) * 1998-10-02 1999-10-19 Quad/Tech, Inc. Markless color control in a printing press
EP1512531A1 (en) * 2003-09-02 2005-03-09 Abb Research Ltd. Inking control system for printing machines
WO2005102702A1 (en) * 2004-04-22 2005-11-03 Maschinenfabrik Wifag Device and method for recognition of register errors
DE102005005303A1 (en) * 2005-01-05 2006-07-13 Koenig & Bauer Ag Systems for tempering components of a printing machine

Also Published As

Publication number Publication date
EP1990196A2 (en) 2008-11-12
DE102007012736A1 (en) 2008-09-18

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