EP0943431A1 - Machine d'impression flexographique avec plusieurs unités d'impression entraínées individuellement - Google Patents

Machine d'impression flexographique avec plusieurs unités d'impression entraínées individuellement Download PDF

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Publication number
EP0943431A1
EP0943431A1 EP99103554A EP99103554A EP0943431A1 EP 0943431 A1 EP0943431 A1 EP 0943431A1 EP 99103554 A EP99103554 A EP 99103554A EP 99103554 A EP99103554 A EP 99103554A EP 0943431 A1 EP0943431 A1 EP 0943431A1
Authority
EP
European Patent Office
Prior art keywords
plastic film
printing machine
flexographic printing
film web
web
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Withdrawn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
EP99103554A
Other languages
German (de)
English (en)
Inventor
Werner Theuner
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.)
Lemo Maschinenbau GmbH
Original Assignee
Lemo Maschinenbau GmbH
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 Lemo Maschinenbau GmbH filed Critical Lemo Maschinenbau GmbH
Publication of EP0943431A1 publication Critical patent/EP0943431A1/fr
Withdrawn legal-status Critical Current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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension

Definitions

  • the invention relates to a flexographic printing machine with several individually driven printing units for printing on a stretchable material web, in particular a plastic film web.
  • the invention has for its object a flexographic printing machine of the beginning to create the type mentioned, which is accurate and correct Guaranteed print quality.
  • the behavior of the material web or Plastic film web during its passage through the printing units of the Flexo printing machine responsive measuring device and a so computer-controlled evaluation and control device functionally connected, drive-controllable pull-out device provided.
  • the measuring device can have at least one tension measuring roller acting on the plastic film web, for a setpoint is given.
  • the specified setpoint and the by Glasmeßwalze measured values are compared and over the Pull-out device held. If the measured web tension becomes lower, the The pull-out device is driven faster, however, the tension becomes too great the speed of the pull-out device slows down and the elongation in the Plastic sheeting reduced.
  • tension measuring roller instead of one tension measuring roller, several tension measuring rollers can also be used.
  • the first tension measuring roller is on the outlet side arranged printing unit receiving area and a second tension measuring roller arranged between the first incoming printing unit and a preferred device.
  • the measured tension values are compared and the pull-out device is regulated so that the tensile stress in the plastic film web is kept as constant as possible.
  • the measuring device can have two incoming length and the outgoing length of the plastic film web Have measuring wheels that are connected to a differential value control device.
  • the measuring wheels are in accordance with the incoming length and running length of the plastic film impulse to the Differential value control device delivered via the interposition of a Control amplifier, the drive unit of the trigger device is controlled accordingly.
  • FIG. 1 shows a flexographic printing press designed as a stand flexographic printing press. This has an unwinding station 1, from which a material web to be printed, for example, a plastic sheet 2 unwound and along several for example, six inking units 3, 4, 5, 6, 7, 8 and finally not in one shown winding station is rolled up.
  • a material web to be printed for example, a plastic sheet 2 unwound and along several for example, six inking units 3, 4, 5, 6, 7, 8 and finally not in one shown winding station is rolled up.
  • the inking units are all identical and have the usually necessary Devices for printing such.
  • the further design of the inking unit is also known and is therefore Adjustment spindles 12, 13 for the adjustment of the format cylinder and the anilox roller only indicated.
  • Each inking unit is an individual electric motor drive with a servo motor assigned, the respective drive control unit via a master value system synchronizable with each other and with a common, computer-controlled Functional device for monitoring, control and regulation are connected.
  • the flexographic printing machine shown in Figure 1 for printing on the plastic film web 2 is equipped with a tension measuring device.
  • This points in the area of the first Printing unit 6 of the printing units 6, 7, 8 lying on the outlet side is a first one Gebmeßwalze 32 and in the area between the first printing unit 5 and one Preferred device 33 on the inlet side of the printing units 5, 4, 3 a second Gebmeßwalze 34 on.
  • the tension measuring roller 34 gives the passage of the plastic film web 2 by the printing units from a tensile measurement value, which with the through the tension measuring roller 32nd measured tension value is compared.
  • a drive not shown, becomes one behind the last one Printing unit 8 arranged pull-out device 35 with the interposition of a computer-controlled evaluation and control device correspondingly slower or driven faster.
  • the Tension measuring device is replaced by a length measuring device.
  • the latter has two Measuring wheels 36, 37, which are essentially in the same place as the tension measuring rollers are arranged in the embodiment according to FIG.
  • the possibly occurring pulse difference, for. B. determined from positively evaluated entry impulses and negatively evaluated Run-out pulses, regulated to zero.
  • the drive unit of the Pull-out device regulated accordingly.
  • the measuring control device designed according to the invention is in front Start of an ongoing production operation by using a not stretchable film web, e.g. B. an aluminum band is calibrated or calibrated. In this way, z. B. conditional mechanical tolerances Inaccuracies easily due to a regular reset correct.
  • the use of the tensile and Length measuring device can also be used, for example, for stretching the web and / or use filament drawing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP99103554A 1998-03-16 1999-02-24 Machine d'impression flexographique avec plusieurs unités d'impression entraínées individuellement Withdrawn EP0943431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19811134A DE19811134A1 (de) 1998-03-16 1998-03-16 Flexodruckmaschine mit mehreren einzeln angetriebenen Druckwerken
DE19811134 1998-03-16

Publications (1)

Publication Number Publication Date
EP0943431A1 true EP0943431A1 (fr) 1999-09-22

Family

ID=7860914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103554A Withdrawn EP0943431A1 (fr) 1998-03-16 1999-02-24 Machine d'impression flexographique avec plusieurs unités d'impression entraínées individuellement

Country Status (4)

Country Link
US (1) US20010011508A1 (fr)
EP (1) EP0943431A1 (fr)
CA (1) CA2265265A1 (fr)
DE (1) DE19811134A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011154566A1 (fr) * 2010-06-01 2011-12-15 Comexi Group Industries, S.A.U. Machine à imprimer
CN102615934A (zh) * 2012-04-10 2012-08-01 张玉海 桥式四色薄膜柔印刷机

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035788C1 (de) * 2000-07-22 2002-03-14 Koenig & Bauer Ag Verfahren und Vorrichtung zur Regelung einer Bahnspannung in einer Rotationsdruckmaschine
DE10058841B4 (de) * 2000-11-27 2009-07-30 Koenig & Bauer Aktiengesellschaft Verfahren zur Regelung eines Umfangsregisters
DE10109847A1 (de) † 2001-03-01 2002-09-19 Adphos Advanced Photonics Tech Verfahren zum Erzeugen einer Beschichtung auf einem quasi-endlos geförderten Materialband
DE202007005402U1 (de) * 2007-04-13 2008-08-14 Aradex Ag Flexodruckmaschine
JP2011178046A (ja) * 2010-03-02 2011-09-15 Fuji Xerox Co Ltd 印刷システム、印刷制御装置およびプログラム
CN102615933A (zh) * 2012-04-10 2012-08-01 张玉海 薄膜高速柔版印刷机
US20150328879A1 (en) * 2014-05-19 2015-11-19 Matthias Hermann Regelsberger Precision registration in printing cylinder systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226166A1 (fr) * 1985-12-12 1987-06-24 Werner Kammann Maschinenfabrik GmbH. Procédé et dispositif pour positionner une bande avançant par à-coups
US4722275A (en) * 1984-10-12 1988-02-02 Mitsubishi Jukogyo Kabushiki Kaisha Web tension control apparatus for use with a rotary press
EP0582947A1 (fr) * 1992-08-13 1994-02-16 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Dispositif de mesure de la tension dans une bande
DE19527199A1 (de) * 1995-07-26 1997-01-30 Baumueller Nuernberg Gmbh Flexodruckmaschine und deren Verwendung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722275A (en) * 1984-10-12 1988-02-02 Mitsubishi Jukogyo Kabushiki Kaisha Web tension control apparatus for use with a rotary press
EP0226166A1 (fr) * 1985-12-12 1987-06-24 Werner Kammann Maschinenfabrik GmbH. Procédé et dispositif pour positionner une bande avançant par à-coups
EP0582947A1 (fr) * 1992-08-13 1994-02-16 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Dispositif de mesure de la tension dans une bande
DE19527199A1 (de) * 1995-07-26 1997-01-30 Baumueller Nuernberg Gmbh Flexodruckmaschine und deren Verwendung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011154566A1 (fr) * 2010-06-01 2011-12-15 Comexi Group Industries, S.A.U. Machine à imprimer
ES2374784A1 (es) * 2010-06-01 2012-02-22 Comexi Group Industries, Sau Máquina impresora.
CN102615934A (zh) * 2012-04-10 2012-08-01 张玉海 桥式四色薄膜柔印刷机

Also Published As

Publication number Publication date
DE19811134A1 (de) 1999-09-23
CA2265265A1 (fr) 1999-09-16
US20010011508A1 (en) 2001-08-09

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