EP0391223B1 - Verfahren zum Betreiben einer Druckmaschine während einer Einstellphase (Andruck) - Google Patents

Verfahren zum Betreiben einer Druckmaschine während einer Einstellphase (Andruck) Download PDF

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Publication number
EP0391223B1
EP0391223B1 EP90105865A EP90105865A EP0391223B1 EP 0391223 B1 EP0391223 B1 EP 0391223B1 EP 90105865 A EP90105865 A EP 90105865A EP 90105865 A EP90105865 A EP 90105865A EP 0391223 B1 EP0391223 B1 EP 0391223B1
Authority
EP
European Patent Office
Prior art keywords
process according
printed image
cylinder
control cylinder
printing
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
EP90105865A
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German (de)
English (en)
French (fr)
Other versions
EP0391223A2 (de
EP0391223A3 (de
Inventor
Josef Schneider
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
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0391223A2 publication Critical patent/EP0391223A2/de
Publication of EP0391223A3 publication Critical patent/EP0391223A3/de
Application granted granted Critical
Publication of EP0391223B1 publication Critical patent/EP0391223B1/de
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
    • B41F7/00—Rotary lithographic machines
    • B41F7/18—Rotary lithographic machines specially adapted for proof printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/20—Rotary letterpress machines specially adapted for proof printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/04—Rotary intaglio printing presses specially adapted for proof printing

Definitions

  • the invention relates to a method for operating a printing press during an adjustment phase (pressure) before the start of the print run (continuous printing).
  • the print run is preceded by a more or less long adjustment phase, during which the alignment and uniform inking of the print image-bearing cylinder based on an assessment of sample prints (paper copies) Operating personnel is made.
  • These waste copies can also be obtained outside the printing press on specially designed devices (US-A-4004509).
  • Presettings based on color density measurements on the print template, devices for presetting the circumferential, side and diagonal registers (DE-C-31 36 703) and the adjustability of all parameters involved in the printing process from a central control station have reduced the production of waste, however cannot eliminate. In the case of short runs in particular, the costs involved are very high. This is particularly true for the offset printing process, in which not only the circumferential and page registers and registers have to be taken into account, but also the adjustment of the correct ink-water balance means increased effort due to the use of fountain solution.
  • the invention has for its object to provide a method by means of which the amount of waste during the setting phase (pressure) of a printing press is reduced to a minimum.
  • the offset printing unit shown in Fig. 1 is formed by a plate cylinder 1, a blanket cylinder 2, an inking unit 3, a dampening unit 4 and an impression cylinder 5.
  • a printing substrate 6 - in the present case a printing substrate web - is formed between the blanket cylinder 2 and the impression cylinder 5 - Passed through and printed by the transferred from the plate cylinder 1 to the blanket cylinder 2 print image.
  • the print image is not transferred from the blanket cylinder 2 to the printing material but at the contact line between the blanket cylinder 2 and impression cylinder 5 during an adjustment phase.
  • the impression cylinder 5 serves as a control cylinder in this case. It preferably has a surface that is similar in roughness to the printing substrate; a white ceramic surface is particularly suitable.
  • a first circumferential area 7 of the control cylinder 5 following the contact line to the blanket cylinder 2 in the direction of rotation the printed image is visually checked, and the conclusions about the allows further setting of parameters that influence the print quality and position.
  • parameters are, for example, the preset values of the circumferential and page register or register, the ink zone setting or the wet film thickness.
  • the optical inspection of the printed image can be carried out in the simplest way by the eye of an operator who, according to his observation, makes manual changes to the setting parameters.
  • the optical inspection of the printed image can also be carried out by means of optical sensors, the observation results of which are displayed on a central operating console, from which the parameters influencing the printed image can also be changed.
  • the optical inspection of the printed image can be carried out by means of optoelectronic sensors 8, which combine the ascertained actual values (position of register marks or characteristic elements in the printed image, color density at characteristic points in the printed image) as input signals Feed computer 9.
  • this reads out target values for a given print job from a memory, taking into account the materials used (paper, ink) and, in accordance with a target / actual comparison, outputs output signals 11 for changing the parameters influencing the print image to corresponding actuators (not shown).
  • actuators are for example servomotors for register and register adjustment, for ink zone control, for ink fountain roller speed or lifter roller frequency adjustment.
  • an erasing device 13 can be set on the periphery thereof, which serves to completely erase the printed image on the control cylinder after the optical inspection.
  • the quenching device 13 consists of a housing 14, a first doctor 15, a first drain channel 16, a rotating brush roller 17 which dispenses a washing fluid, a second doctor 18, a second drain channel 19 and a dryer 20 arranged downstream of the housing 14.
  • a substantial part of the printing ink adhering to the control cylinder 5 is scraped off the first doctor blade 15 and is preferably fed via the first discharge channel 16 to an printing ink recycling device, not shown.
  • the control cylinder 5 is cleaned of ink residues by the rotating brush roller 17 by means of a washing fluid. Remnants of ink and washing fluid adhering to the surface of the control cylinder 5 are removed from the second doctor blade 18 and are preferably also fed through the second drainage channel 19 to a printing ink recycling device, not shown, provided with a separator.
  • the subsequent dryer 20 is formed by a radiant heater and / or a blow molding fed with dry warm air.
  • the cleaned and dried surface of the control cylinder 5 is now provided with a new print image along the contact line with the blanket cylinder 2.
  • the extinguishing device 13 is switched off by the impression cylinder 5, the impression cylinder 5 is removed from the blanket cylinder 2, a printing material web 6 is drawn into the printing press (or, in the case of a sheet-fed machine, the sheet transport is switched on) and the impression cylinder 5 is then put back on the blanket cylinder 2.
  • the optoelectronic sensors 8 are mounted on a pivotable device, by means of which they are directed towards the first circumferential area of the control cylinder 5 during the pressing phase and by means of which they can be moved into a position 8 'before the start of the printing process, which allows an optical inspection of the printed image on the printing material 6 during the production run.
  • the impression cylinder is also in with all other printing processes advantageously to be used directly as a control cylinder in which the print image is transmitted at least indirectly via a cylinder with a soft surface.
  • Examples include indirect rotogravure, indirect letterpress or flexographic printing.
  • an additional cylinder can be used as a control cylinder, as the exemplary embodiments described below and shown in FIGS. 2 and 3 show.
  • a printing unit of an intaglio printing machine is shown schematically in FIG.
  • a form cylinder 21 receives 22 printing ink when immersed in an ink container. Excess ink is scraped off by a doctor blade 23 and conveyed back into the ink container.
  • An impression cylinder 24, which has a soft surface, can be placed on the forme cylinder.
  • a printing material 25 - depending on the machine type as a sheet or web - is passed between the forme cylinder 21 and the impression cylinder 24 and printed on one side by the forme cylinder.
  • a control cylinder 26 is placed on the impression cylinder 24 during an adjustment phase (proofing) preceding the production run, in which there is no printing material between the cylinders 21 and 24.
  • This preferably has a hard surface which is similar in structure to the printing substrate 25; A white ceramic surface has proven to be advantageous.
  • An opto-electronic sensor 28 is directed onto the control cylinder 26 in a first circumferential region 27 following the contact line with the impression cylinder 24. Using this, an optical check of the printed image is carried out analogously to the sensor 8 of the first exemplary embodiment.
  • a second circumferential region 29 is arranged downstream of the first circumferential region 27 in the direction of rotation.
  • an extinguishing device 30 is arranged, which is similar in structure to the extinguishing device 13 described in the first exemplary embodiment.
  • the print image transferred to the control cylinder 26 during the adjustment phase is completely removed after the optical check by means of the erasing device 30, whereupon a print image is again taken over at the contact line with the counter-pressure cylinder for assessment.
  • the means connected to the opto-electronic sensor 28 for evaluating and further regulating the parameters influencing the printed image have been omitted, since they are basically the same as those of the first exemplary embodiment.
  • a printing unit of a high-pressure machine shown schematically in FIG. 3, consists of a plate cylinder 31, which is inked by an inking unit 32 and prints a printing material 33 during production, which is passed between it and an adjacent impression cylinder 34.
  • a control cylinder 35 is placed on the impression cylinder 34 on which the print image is imaged.
  • an opto-electronic sensor 37 is directed onto the surface of the control cylinder 35 in a first circumferential region 36, which adjoins the contact line with the impression cylinder 34 in the direction of rotation.
  • the means connected to the sensor 37 for the effect of the recorded measured values and for regulating the parameters influencing the printed image have been omitted; they are basically the same as those mentioned in the first embodiment.
  • a second circumferential region 38 is arranged downstream of the first circumferential region 36 in the direction of rotation.
  • an extinguishing device 39 is arranged, which is similar in structure to the extinguishing device 13 of the first embodiment.
  • the erasing device 39 is used for the complete removal of the print image transferred to the control cylinder 35, so that a new print image in the first circumferential region 36 is also checked here every revolution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Rotary Presses (AREA)
EP90105865A 1989-04-01 1990-03-28 Verfahren zum Betreiben einer Druckmaschine während einer Einstellphase (Andruck) Expired - Lifetime EP0391223B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910557 1989-04-01
DE3910557A DE3910557A1 (de) 1989-04-01 1989-04-01 Verfahren zum betreiben einer druckmaschine waehrend einer einstellphase (andruck)

Publications (3)

Publication Number Publication Date
EP0391223A2 EP0391223A2 (de) 1990-10-10
EP0391223A3 EP0391223A3 (de) 1991-04-17
EP0391223B1 true EP0391223B1 (de) 1994-01-05

Family

ID=6377607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90105865A Expired - Lifetime EP0391223B1 (de) 1989-04-01 1990-03-28 Verfahren zum Betreiben einer Druckmaschine während einer Einstellphase (Andruck)

Country Status (5)

Country Link
US (1) US5069124A (enrdf_load_stackoverflow)
EP (1) EP0391223B1 (enrdf_load_stackoverflow)
JP (1) JP2848912B2 (enrdf_load_stackoverflow)
CA (1) CA2013363C (enrdf_load_stackoverflow)
DE (2) DE3910557A1 (enrdf_load_stackoverflow)

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Publication number Priority date Publication date Assignee Title
DE4005558A1 (de) * 1990-02-22 1991-09-19 Roland Man Druckmasch Verfahren zur prozessdiagnose einer rotationsdruckmaschine anhand von remissionen von vollton- und rastertonfeldern
US6259824B1 (en) * 1991-03-12 2001-07-10 Canon Kabushiki Kaisha Image processing apparatus utilizing a neural network to improve printed image quality
US5235913A (en) * 1991-12-10 1993-08-17 United States Can Company Litho start-off device and method of stabilizing an offset lithographic printing press to print a precise ink image
DE4334712A1 (de) * 1993-10-12 1995-04-13 Heidelberger Druckmasch Ag Reproduktionssystem
GB9426166D0 (en) * 1994-12-23 1995-02-22 Langston Corp Printing apparatus
DE19506425B4 (de) * 1995-02-24 2004-11-18 Heidelberger Druckmaschinen Ag Offsetdruckverfahren
CA2228476C (en) * 1996-06-03 2003-12-23 Ascom Hasler Mailing Systems Inc. Printing apparatus
US6039426A (en) * 1996-08-09 2000-03-21 Hewlett-Packard Company Simplified print mode selection method and apparatus
US5868069A (en) * 1996-09-17 1999-02-09 Escher-Grad Technologies Inc. Method of generating proofs of print signatures
US5704282A (en) * 1996-09-17 1998-01-06 Escher-Grad Technologies Inc. Method of generating proofs of print signatures
EP0849077A1 (en) * 1996-12-20 1998-06-24 Escher-Grad Technologies Inc. Method of generating proofs of print signatures
US6253678B1 (en) * 1999-03-24 2001-07-03 R. R. Donnelley & Sons Method of printing to reduce misregistration
JP2001056624A (ja) * 1999-08-17 2001-02-27 Canon Inc 画像形成装置
DE10154430B4 (de) * 2001-11-06 2009-04-02 Manroland Ag Verfahren und Vorrichtung zum Löschen eines Druckbildes auf einer Druckform für eine Druckmaschine
EP1728628A1 (en) * 2005-06-01 2006-12-06 Kba-Giori S.A. Typographic printing machine with independent drive means
US7967407B2 (en) 2006-02-03 2011-06-28 R.R. Donnelley Use of a sense mark to control a printing system
JP4892728B2 (ja) * 2006-11-20 2012-03-07 独立行政法人 国立印刷局 インキ供給装置
US8753026B2 (en) 2007-06-29 2014-06-17 R.R. Donnelley & Sons Company Use of a sense mark to control a printing system
DE102007044622B4 (de) * 2007-09-19 2018-11-15 Manroland Web Systems Gmbh Rollendruckmaschine
US9098903B2 (en) * 2009-07-21 2015-08-04 R.R. Donnelley & Sons Company Systems and methods for detecting alignment errors
CN102381011A (zh) * 2010-08-30 2012-03-21 上海运青制版有限公司 一种改进型数字化打样机
DE102010053989A1 (de) * 2010-12-09 2012-06-14 Heidelberger Druckmaschinen Ag Sensor für Wascheinrichtung
US9616657B2 (en) 2013-10-01 2017-04-11 Goss International Americas, Inc. Closed loop ink thickness control system with reduced substrate waste in a printing press
JP5957116B1 (ja) * 2015-03-30 2016-07-27 株式会社太陽機械製作所 フレキソ印刷機を用いた線印像並列印刷方法及びこの線印像並列印刷方法を用いた櫛形電極の製造方法
DE102016213211B4 (de) * 2016-07-20 2020-07-23 Koenig & Bauer Ag Vorrichtung zum Bedrucken von Hohlkörpern
CN106827809B (zh) * 2017-03-07 2022-12-09 浙江显昱纤维织染制衣有限公司 一种印花辊筒的清洗装置
US10370214B2 (en) 2017-05-31 2019-08-06 Cryovac, Llc Position control system and method
CN111098585A (zh) * 2020-02-04 2020-05-05 厦门恰乐文具有限公司 一种自动清洁印版滚筒的印刷设备
CN115284733B (zh) * 2022-08-31 2023-10-03 西门子（中国）有限公司 凹版印刷机启动控制系统及方法
CN116653409B (zh) * 2023-08-01 2023-09-29 泉州市华山彩色印刷有限公司 一种凹版印刷设备及印刷工艺

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US3203346A (en) * 1961-05-02 1965-08-31 Harris Intertype Corp Three cylinder convertible printing press
US3460143A (en) * 1967-09-18 1969-08-05 Columbia Controls Research Cor Apparatus for measuring the quality of a printed character
US3567923A (en) * 1968-04-03 1971-03-02 Hurlectron Inc System for monitoring and controlling the color density of ink during printing
US3654864A (en) * 1970-01-16 1972-04-11 Energy Conversion Devices Inc Printing employing materials with variable volume
US3678852A (en) * 1970-04-10 1972-07-25 Energy Conversion Devices Inc Printing and copying employing materials with surface variations
US3741118A (en) * 1970-06-17 1973-06-26 A Carley Method for electronic lithography
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US4004509A (en) * 1975-08-01 1977-01-25 Mosstype Corporation Mounting-proofing machine
JPS5944225B2 (ja) * 1976-04-27 1984-10-27 株式会社東京機械製作所 製版装置を付設した印刷装置
DE2924912A1 (de) * 1978-06-22 1980-01-10 Coulter Systems Corp Verfahren und vorrichtung zum elektrostatischen bedrucken eines ausgedehnten traegers mit zusammengesetzten farbbildern
DE3136703C1 (de) * 1981-09-16 1982-11-04 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Einrichtungen an Druckmaschinen mit Registerverstelleinrichtungen
DE3136704A1 (de) * 1981-09-16 1983-03-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum justieren von auf plattenzylindern montierten druckplatten
US4759285A (en) * 1987-07-14 1988-07-26 Hurletron, Inc. Rotogravure cylinder proofing method

Also Published As

Publication number Publication date
EP0391223A2 (de) 1990-10-10
CA2013363A1 (en) 1990-10-01
EP0391223A3 (de) 1991-04-17
DE3910557A1 (de) 1990-10-04
JP2848912B2 (ja) 1999-01-20
DE3910557C2 (enrdf_load_stackoverflow) 1993-04-22
CA2013363C (en) 1993-04-13
DE59004076D1 (de) 1994-02-17
US5069124A (en) 1991-12-03
JPH02286244A (ja) 1990-11-26

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