EP1232862B1 - Procédé pour mettre en marche une machine rotative d'impression offset - Google Patents

Procédé pour mettre en marche une machine rotative d'impression offset Download PDF

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Publication number
EP1232862B1
EP1232862B1 EP02002596A EP02002596A EP1232862B1 EP 1232862 B1 EP1232862 B1 EP 1232862B1 EP 02002596 A EP02002596 A EP 02002596A EP 02002596 A EP02002596 A EP 02002596A EP 1232862 B1 EP1232862 B1 EP 1232862B1
Authority
EP
European Patent Office
Prior art keywords
printing
ink
speed
metering device
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.)
Expired - Lifetime
Application number
EP02002596A
Other languages
German (de)
English (en)
Other versions
EP1232862A1 (fr
Inventor
Reinhard Zeller
Helmut Stuhlmiller
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 EP1232862A1 publication Critical patent/EP1232862A1/fr
Application granted granted Critical
Publication of EP1232862B1 publication Critical patent/EP1232862B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • B41F31/045—Remote control of the duct keys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/10—Starting-up the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/10—Starting-up the machine
    • B41P2233/11—Pre-inking

Definitions

  • the invention relates to a method for starting an offset rotary printing machine.
  • the inking units of the printing units have a metering device, at the zone-wise, ie distributed over the width of the inking unit or the printing form, passage openings for the ink can be adjusted. It is known that these openings according to the subject of the printing plate, so according to the consumption of the individual ink zones, set. With this setting, a paint run is performed when the inking rollers are off. Such a set color profile is in FIG. 1 hatched shown.
  • the inking rollers are employed on the printing form on which builds up a color layer or a color density s at the printing locations.
  • the structure of the color density is in Fig. 2 represented by the dashed curve as a function of the number of executed prints or copies.
  • the desired layer thickness or color density s F for the production is only in zones of low area coverage after about 1500 copies, which are to be regarded as waste.
  • zones with low ink consumption for example, the zone 1
  • the zone 1 take a long time at the supplied small amount of ink until the desired layer thickness is reached on the printing locations of the printing plate. It will be such.
  • B. Passer and register marks visible only after a long time.
  • the initial abundant supply of ink in one color zone high ink consumption for example in the ink zone 3, over-coloring of the printing surfaces.
  • the EP 0 529 257 B1 stops after an interruption of the printing process, such. B. at the daily new beginning after the blanket washing, at the Farbdosiervoriques an inverse color profile. It is exaggerated much color in a color zone with low color consumption and understated in a color zone with high color consumption fed little color to the inking unit.
  • the inking rollers are employed to additionally allow the subject of the printing form to react.
  • the offset rotary printing press has printing units, each with a color and dampening unit, which wet and ink the printing plate located on the plate cylinder.
  • Each inking unit contains a Farbdosiervorraum for zoning a color profile.
  • the rotational speed of the printing machine is indicated on the ordinate and the copies incurred on the abscissa.
  • the start of the rotary printing machine begins with the so-called loading of the production, which are retrieved from a memory stored data for the machine setting, such as settings of the folder or the strand register.
  • the printing machine is driven at a first speed n1 of the plate cylinder. This is advantageous the retraction speed of about 600 h -1 .
  • the web to be printed has already been fed into the printing press.
  • the dryer for the paper web is now activated, ie, it is started with its preheating.
  • the metering devices of the inking units of the printing units of the offset rotary printing press are furthermore set to an inverse color profile.
  • the metering device is, for example, zone screws for ink zones, into which the inking unit is divided over its width, as already explained in the prior art. With the zone screws, the height f of a printing ink passage gap between a colorimeter and a color ductor can be set for each color zone. The settings of all heights f of the color zones provide a color profile, as in FIG. 1 hatched. For the design of the inverse color profile is assumed by the color profile P F for continuous printing. This is obtained, for example, by scanning the printing plate.
  • the area coverage of the pressure of each zone is determined and from this the percentage opening f of the passage gap of each color zone is determined.
  • the difference to 100% transmission provides the value of the inverse color profile P i of the respective color zone, as in Fig. 1 entered.
  • the inverse set color profile now the purified inking a defined amount of ink is supplied, it is pre-colored.
  • the inking and dampening rollers are offset from the plate cylinder.
  • the film roller is turned off again by the ductor, and it is set on the Farbdosiervoriques the color profile P F for continuous printing.
  • the printing machine is driven to a second speed n2 of about 5000 h -1 and remains at this speed until the dryer release takes place.
  • This is the readiness display of the dryer for the printing, for which z. B. flaps of the dryer are to close.
  • the dryer release already takes place during the process steps carried out at the first rotational speed n1, so that the printing press is immediately accelerated to a third rotational speed n3 of about 16,000 h -1 without being persistent at the second rotational speed n2.
  • the blankets are pre-moistened. This is done at short intervals by means of the blanket washer. The blankets are already in a clean condition. Moistening prevents sticking of the web during later application of the pressure.
  • the color register and the cut register are switched on (armed).
  • the waste gate is set to the "good” position and counting starts (net meter on).
  • the printing press is raised to a fourth speed n4 for the continuous printing, for example, 70000 h -1 .
  • This booting is relatively slow, for example over a period of time 180 seconds, so that the copies printed are salable production and therefore no waste.
  • the waste gate is set to the position "bad" and the counting of the copies is ended (net meter off).
  • the discharge sequence is processed. This includes stopping the printing, switching off the dosing device (film roller off), stopping the inking rollers and parking the dampening rollers.
  • the printing machine is shut down to a fifth speed n5 of about 20,000 h -1 .
  • the inking unit is washed, bringing it into the required "blank" condition for the described startup of the press for a new production. At speed n5, the blankets are washed. Subsequently, the printing press is stopped.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (5)

  1. Procédé de démarrage d'une machine d'impression offset rotative comportant des groupes d'impression équipés d'un mouilleur et d'un encrier avec un dispositif de dosage pour régler le profil d'encre par zones,
    selon lequel
    on règle tout d'abord un profil d'encre inverse du profil d'encre de l'impression continue sur le dispositif de dosage et pour une première vitesse de rotation (n1), lorsque le cylindre de transfert est dégagé de la plaque d'impression, on fournit une quantité d'encre définie à l'encrier nettoyé, on règle le profil d'encre pour l'impression continue sur le dispositif de dosage, on accélère la machine d'impression offset à une troisième vitesse (n3), pendant que l'on pré-humidifie les blanchets et lorsqu'on atteint la troisième vitesse de rotation (n3), on exécute la séquence d'impression.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    l'inverse du profil d'encre est dimensionné pour représenter environ la différence entre 100 % du débit et le débit de consigne des zones du dispositif de dosage pour l'impression continue.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    lors de l'accélération jusqu'à la troisième vitesse (n3), on reste à une seconde vitesse (n2) jusqu'à la libération d'un séchoir.
  4. Procédé selon les revendications précédentes,
    caractérisé en ce que
    la séquence d'impression comprend les phases suivantes :
    a) Entraînement du mouilleur
    b) Entraînement du ducteur d'encre
    c) Application du cylindre mouilleur
    d) Application du dispositif de dosage contre l'encrier
    e) Application des cylindres encreurs
    f) Mise en pression
  5. Procédé selon les revendications précédentes,
    caractérisé en ce qu'
    à la fin de l'élimination des maculations, on accélère la machine d'impression lentement jusqu'à une quatrième vitesse de rotation (n4) pour l'impression continue.
EP02002596A 2001-02-15 2002-02-05 Procédé pour mettre en marche une machine rotative d'impression offset Expired - Lifetime EP1232862B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10106986 2001-02-15
DE10106986A DE10106986B4 (de) 2001-02-15 2001-02-15 Verfahren zum Anfahren einer Offsetrotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP1232862A1 EP1232862A1 (fr) 2002-08-21
EP1232862B1 true EP1232862B1 (fr) 2009-09-30

Family

ID=7674106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02002596A Expired - Lifetime EP1232862B1 (fr) 2001-02-15 2002-02-05 Procédé pour mettre en marche une machine rotative d'impression offset

Country Status (3)

Country Link
US (1) US6622626B2 (fr)
EP (1) EP1232862B1 (fr)
DE (2) DE10106986B4 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4047068B2 (ja) * 2002-05-21 2008-02-13 大日本スクリーン製造株式会社 印刷機
JP4024593B2 (ja) * 2002-05-22 2007-12-19 大日本スクリーン製造株式会社 インキ供給制御装置および印刷装置
DE102005013634A1 (de) * 2005-03-24 2006-09-28 Man Roland Druckmaschinen Ag Verfahren zum Betrieb einer Druckmaschine
DE102006046894B4 (de) * 2006-10-04 2010-05-27 Wifag Maschinenfabrik Ag Verfahren zum Anfahren einer Rollenrotationsdruckmaschine
DE102007000952A1 (de) * 2007-09-20 2009-04-02 Koenig & Bauer Aktiengesellschaft Verfahren zum Hochlauf einer Rotationsdruckmaschine
DE102008043928A1 (de) * 2008-11-20 2010-05-27 Manroland Ag Rollendruckmaschine
DE102010017866A1 (de) 2009-05-07 2010-11-25 Heidelberger Druckmaschinen Ag Verfahren zur Steuerung eines Farbwerkes einer Druckmaschine
DE102013100916A1 (de) 2013-01-30 2014-07-31 Manroland Web Systems Gmbh Verfahren zur Regelung eines Parameters eines Farbwerks
CN111204143A (zh) * 2020-03-13 2020-05-29 渭南科赛机电设备有限责任公司 一种电子轴凹版印刷机一键开机的印刷方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE529257C (de) 1931-07-10 Margarete Weil Geb Horn Aus zwei Teilen bestehender, gleichzeitig als Buegelbrett dienender Krawattenspanner
US5148747A (en) * 1989-06-19 1992-09-22 Heidelberger Druckmaschinen Ag Process for setting a production run ink zone profile
DE4128537A1 (de) * 1991-08-28 1993-03-04 Heidelberger Druckmasch Ag Verfahren zum einstellen eines fortdruckfarbprofils
DE4406727C2 (de) * 1994-03-02 1996-06-20 Roland Man Druckmasch Verfahren zur Steuerung der Fluidzufuhr bei der Herstellung von Druckerzeugnissen
DE4428403C2 (de) 1994-08-11 1996-07-11 Roland Man Druckmasch Heberantrieb einer Druckmaschine
DE19615156B4 (de) * 1996-04-17 2007-12-27 Man Roland Druckmaschinen Ag Verfahren zur Versorgung einer Druckmaschine mit Farbe
DE19625030A1 (de) 1996-06-22 1998-01-08 Roland Man Druckmasch Offsetdruckvorrichtung für Rotationsdruckmaschinen
DE19628647B4 (de) 1996-07-16 2004-03-11 Man Roland Druckmaschinen Ag Farbtransportwalze für das Farbwerk einer Rollenrotationsdruckmaschine und Verfahren zur Herstellung der Walze
DE19750960C2 (de) 1996-11-26 2002-08-14 Roland Man Druckmasch Filmfarbwerk für eine Rotationsdruckmaschine
US6318260B1 (en) * 1997-05-05 2001-11-20 Quad/Tech, Inc. Ink key control in a printing press including lateral ink spread, ink saturation, and back-flow compensation
DE19720954C2 (de) * 1997-05-17 2001-02-01 Roland Man Druckmasch Verfahren zum Einrichten der Farbführung im Fortdruck in einer Rotationsdruckmaschine
DE19739283C2 (de) * 1997-09-08 2002-10-24 Roland Man Druckmasch Verfahren zum Erreichen des Fortdruckzustandes in einer Rollenrotationsdruckmaschine
JP2001246733A (ja) * 2000-03-03 2001-09-11 Dainippon Screen Mfg Co Ltd インキ量調整方法
US6477954B1 (en) * 2000-06-28 2002-11-12 Heidelberger Druckmaschinen Ag Ink key presetting system for offset printing machines

Also Published As

Publication number Publication date
DE10106986A1 (de) 2002-09-05
US6622626B2 (en) 2003-09-23
DE10106986B4 (de) 2008-04-24
US20020108522A1 (en) 2002-08-15
DE50213876D1 (de) 2009-11-12
EP1232862A1 (fr) 2002-08-21

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