ES2542698T3 - Procedure, rotary printing machine and system in which the printing image generated by the printing machine is optimized by adapting the relative positions of the rollers involved in the printing process - Google Patents

Procedure, rotary printing machine and system in which the printing image generated by the printing machine is optimized by adapting the relative positions of the rollers involved in the printing process Download PDF

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Publication number
ES2542698T3
ES2542698T3 ES08784501.2T ES08784501T ES2542698T3 ES 2542698 T3 ES2542698 T3 ES 2542698T3 ES 08784501 T ES08784501 T ES 08784501T ES 2542698 T3 ES2542698 T3 ES 2542698T3
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ES
Spain
Prior art keywords
printing
electromagnetic radiation
radiation
sensor system
printing machine
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.)
Active
Application number
ES08784501.2T
Other languages
Spanish (es)
Inventor
Manfred Loddenkötter
Martin Krümpelmann
Holger Delere
Bernhard Frei
Michael Wiebe
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Application granted granted Critical
Publication of ES2542698T3 publication Critical patent/ES2542698T3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

Procedimiento para optimizar la imagen de impresión generada por una máquina de impresión mediante la adaptación de las posiciones relativas de los rodillos implicados en el proceso de impresión, el cual se basa en un procedimiento de vigilancia de la imagen de impresión generada por la máquina de impresión y comprende las características de procedimiento siguientes: - la exploración de áreas impresas del material de impresión (9) dentro de una zona de exploración (1) con un sistema sensor (5), - la solicitación de al menos áreas parciales de la zona de exploración (1) con una primera radiación electromagnética (2) desde un elemento de iluminación (4, 12), - en donde la radiación electromagnética es homogénea, - en donde se emplea un material de impresión (9) transparente u opaco, - en donde se conduce la primera radiación electromagnética (2) desde el lado del material de impresión (9) alejado del sistema sensor (5) hasta la zona de exploración (1), - en donde se conduce una segunda radiación electromagnética (8) desde el lado vuelto hacia el sistema sensor hasta el material de impresión, - en donde se emplea como segunda radiación electromagnética (8) una radiación homogénea, especialmente difusa, y/o una radiación directa, especialmente paralela directa, - en donde se ajustan los ángulos de incidencia de la segunda radiación electromagnética (8) sobre el material de impresión de tal manera que - la distancia (A) entre la banda de material de impresión y el primer elemento ópticamente activo (15, 13, 3) que se encuentra detrás de la banda de material de impresión (9), visto desde el sistema sensor (5), es ajustable al menos a una distancia mínima (B), - en la que ya no tiene lugar sobre el primer elemento ópticamente activo (15, 13, 3) pospuesto a la banda de material de impresión una formación de sombras que sea percibida por el sistema sensor (5).Method for optimizing the print image generated by a printing machine by adapting the relative positions of the rollers involved in the printing process, which is based on a monitoring method of the print image generated by the printing machine and comprises the following process features: - scanning printed areas of the printing material (9) within a scanning zone (1) with a sensor system (5), - requesting at least partial areas of the scanning zone scanning (1) with a first electromagnetic radiation (2) from an illumination element (4, 12), - in which the electromagnetic radiation is homogeneous, - in which a transparent or opaque impression material (9) is used, - in where the first electromagnetic radiation (2) is conducted from the side of the printing material (9) remote from the sensor system (5) to the scanning zone (1), - where a second r is conducted electromagnetic radiation (8) from the side facing the sensor system to the printing material, - wherein a homogeneous radiation, especially diffuse radiation, and/or a direct radiation, especially direct parallel radiation, is used as the second electromagnetic radiation (8), - wherein the angles of incidence of the second electromagnetic radiation (8) on the impression material are adjusted in such a way that - the distance (A) between the band of impression material and the first optically active element (15, 13, 3 ) located behind the impression material web (9), seen from the sensor system (5), is adjustable to at least a minimum distance (B), - at which it no longer takes place on the first element optically active (15, 13, 3) postponed to the web of printing material a formation of shadows that is perceived by the sensor system (5).

Description

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Claims (1)

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ES08784501.2T 2007-06-01 2008-05-28 Procedure, rotary printing machine and system in which the printing image generated by the printing machine is optimized by adapting the relative positions of the rollers involved in the printing process Active ES2542698T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007025910 2007-06-01
DE200710025910 DE102007025910B4 (en) 2007-06-01 2007-06-01 Backlight
PCT/EP2008/004229 WO2008145349A2 (en) 2007-06-01 2008-05-28 Method system and rotary press by means of which or from which a printed image is monitored

Publications (1)

Publication Number Publication Date
ES2542698T3 true ES2542698T3 (en) 2015-08-10

Family

ID=39917461

Family Applications (1)

Application Number Title Priority Date Filing Date
ES08784501.2T Active ES2542698T3 (en) 2007-06-01 2008-05-28 Procedure, rotary printing machine and system in which the printing image generated by the printing machine is optimized by adapting the relative positions of the rollers involved in the printing process

Country Status (4)

Country Link
EP (1) EP2155492B1 (en)
DE (1) DE102007025910B4 (en)
ES (1) ES2542698T3 (en)
WO (1) WO2008145349A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2283307B1 (en) * 2008-05-21 2017-11-29 Ferag AG Optical position detection
EP2748005B1 (en) * 2011-08-22 2015-10-14 Windmöller & Hölscher KG Machine and method for printing webs of material
US20140208970A1 (en) * 2011-08-22 2014-07-31 Windmoeller & Hoelscher Kg Machine and method for printing material webs
DE102015109412A1 (en) * 2015-06-12 2016-12-15 Manroland Web Systems Gmbh Registered printing of transparent substrates
DE102015114575B4 (en) * 2015-09-01 2017-05-24 Stephan Krebs Device for image control
DE102016100437B4 (en) * 2016-01-12 2018-08-02 Stephan Krebs Device for image control

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7711138A (en) * 1976-11-01 1978-05-03 Ici Ltd DETECTION OF DISCONTINUITIES IN MOVING JOBS OF PLASTIC MATERIAL.
US5461417A (en) * 1993-02-16 1995-10-24 Northeast Robotics, Inc. Continuous diffuse illumination method and apparatus
AU678875B2 (en) * 1993-12-16 1997-06-12 Commonwealth Scientific And Industrial Research Organisation Instrument for on-line detection of coloured contaminants in white fibre mass
AUPM300993A0 (en) * 1993-12-16 1994-01-20 Commonwealth Scientific And Industrial Research Organisation Instrument
JP3808937B2 (en) * 1996-05-14 2006-08-16 大日本印刷株式会社 Lighting equipment for printed material inspection equipment
DE19703129B4 (en) * 1997-01-29 2014-08-21 Heidelberger Druckmaschinen Ag Method for evaluating the quality of a printed image produced in multicolor printing on a substrate
CH692847A5 (en) * 1998-09-02 2002-11-29 Bobst Sa Automatic device detecting print defects appearing on metallised strips or any other printing support comprising a predominance of colored surfaces s
DE20122584U1 (en) 2001-03-27 2006-07-27 Windmöller & Hölscher Kg Print image setting device for rotary printing machine has camera feeding successively acquired print images to control or regulating unit that produces signals for participating rollers
US7105848B2 (en) * 2002-04-15 2006-09-12 Wintriss Engineering Corporation Dual level out-of-focus light source for amplification of defects on a surface
DE10352274B4 (en) * 2002-11-11 2009-02-26 Leuze Electronic Gmbh & Co Kg Method for detecting object structures by means of an optical sensor
DE10261221A1 (en) * 2002-12-20 2004-07-15 Océ Document Technologies GmbH Method and device for real-time control of printed images
US7017492B2 (en) * 2003-03-10 2006-03-28 Quad/Tech, Inc. Coordinating the functioning of a color control system and a defect detection system for a printing press
DE102004044341B4 (en) 2003-10-13 2017-09-07 Heidelberger Druckmaschinen Ag Sheet-fed printing machine with optical sensor arrangement for a printing material

Also Published As

Publication number Publication date
WO2008145349A3 (en) 2009-01-29
EP2155492A2 (en) 2010-02-24
DE102007025910B4 (en) 2013-08-29
DE102007025910A1 (en) 2008-12-04
WO2008145349A2 (en) 2008-12-04
EP2155492B1 (en) 2015-04-29

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