ATE426510T1 - DEVICE AND METHOD FOR MONITORING THE FUNCTION OF LASERS IN AN EXPOSURE UNIT OF A PRINTING PRESS - Google Patents

DEVICE AND METHOD FOR MONITORING THE FUNCTION OF LASERS IN AN EXPOSURE UNIT OF A PRINTING PRESS

Info

Publication number
ATE426510T1
ATE426510T1 AT05012647T AT05012647T ATE426510T1 AT E426510 T1 ATE426510 T1 AT E426510T1 AT 05012647 T AT05012647 T AT 05012647T AT 05012647 T AT05012647 T AT 05012647T AT E426510 T1 ATE426510 T1 AT E426510T1
Authority
AT
Austria
Prior art keywords
printing press
lasers
monitoring
function
exposure unit
Prior art date
Application number
AT05012647T
Other languages
German (de)
Inventor
Matthias Riepenhoff
Olivier Stehlin
Original Assignee
Wifag Maschf 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 Wifag Maschf Ag filed Critical Wifag Maschf Ag
Application granted granted Critical
Publication of ATE426510T1 publication Critical patent/ATE426510T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1075—Mechanical aspects of on-press plate preparation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
    • B41C1/1083—Mechanical aspects of off-press plate preparation

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

A printing press has an exposure meter working in conjunction with a laser, a sensor and a reflective or light scattering surface. The light reflecting/scattering surface returns laser light to the sensor.
AT05012647T 2004-07-26 2005-06-13 DEVICE AND METHOD FOR MONITORING THE FUNCTION OF LASERS IN AN EXPOSURE UNIT OF A PRINTING PRESS ATE426510T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004036151 2004-07-26

Publications (1)

Publication Number Publication Date
ATE426510T1 true ATE426510T1 (en) 2009-04-15

Family

ID=35169251

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05012647T ATE426510T1 (en) 2004-07-26 2005-06-13 DEVICE AND METHOD FOR MONITORING THE FUNCTION OF LASERS IN AN EXPOSURE UNIT OF A PRINTING PRESS

Country Status (3)

Country Link
EP (1) EP1621336B1 (en)
AT (1) ATE426510T1 (en)
DE (1) DE502005006926D1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55109588A (en) 1979-02-16 1980-08-23 Hitachi Ltd Laser working apparatus
US5681490A (en) 1995-09-18 1997-10-28 Chang; Dale U. Laser weld quality monitoring system
DE10013454A1 (en) * 1999-04-07 2000-10-12 Heidelberger Druckmasch Ag Printing form production appliance and method involve sources of radiation, slide piece with holes in, and housing
DE10323112A1 (en) * 2002-05-28 2003-12-11 Heidelberger Druckmasch Ag Printing form producing device uses air blast chamber which is activated for positioning strip-shaped slide between diode array and printing form blank, when setting image on blank

Also Published As

Publication number Publication date
DE502005006926D1 (en) 2009-05-07
EP1621336A1 (en) 2006-02-01
EP1621336B1 (en) 2009-03-25

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee