EP0529257A1 - Méthode pour régler le profil d'encrage pour l'impression du tirage - Google Patents

Méthode pour régler le profil d'encrage pour l'impression du tirage Download PDF

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Publication number
EP0529257A1
EP0529257A1 EP92111657A EP92111657A EP0529257A1 EP 0529257 A1 EP0529257 A1 EP 0529257A1 EP 92111657 A EP92111657 A EP 92111657A EP 92111657 A EP92111657 A EP 92111657A EP 0529257 A1 EP0529257 A1 EP 0529257A1
Authority
EP
European Patent Office
Prior art keywords
color profile
ink
setting
printing
profile
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.)
Granted
Application number
EP92111657A
Other languages
German (de)
English (en)
Other versions
EP0529257B1 (fr
Inventor
Anton Rodi
Robert Müller
Bernd Müller
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0529257A1 publication Critical patent/EP0529257A1/fr
Application granted granted Critical
Publication of EP0529257B1 publication Critical patent/EP0529257B1/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
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00—Shells for rollers of printing machines
    • B41N7/04—Shells for rollers of printing machines for damping rollers
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0027—Devices for scanning originals, printing formes or the like for determining or presetting the ink supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/10—Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments

Definitions

  • the invention relates to a method for setting a continuous printing color profile of an offset printing machine with a dampening and inking unit, which has an ink metering device for setting a color profile, the application rollers of the inking and dampening unit being permanently or temporarily moved to the printing form in the system position, according to main application P 40 13 740.6.
  • the inking unit In offset printing machines, it is necessary that a thin ink film is fed to the printing form wetted with dampening solution.
  • An inking unit provided with a plurality of rollers serves for this purpose.
  • the dampening solution is supplied by means of a dampening unit, which also has a roller arrangement.
  • a dampening unit which also has a roller arrangement.
  • an appropriately adapted color distribution (color profile) across the printing direction of the offset printing press is required in order to achieve a good printing result.
  • the inking unit therefore has a color metering device which allows the zonal setting of a color profile. Depending on the setting of the individual zones, a corresponding color layer thickness results.
  • the ink is supplied from a paint box using a paint ductor.
  • the task of the printer is to make the zonally required setting of the color metering device depending on the subject color requirements.
  • a so-called ink run-in is also carried out, in which the said color film is built up within the inking unit.
  • displaceable application rollers took up a distance from the printing form when the ink ran in, so that the printing form had not yet been colored.
  • the color is also at the ink inlet by traversing friction rollers laterally distributed.
  • the color profile built up by the ink metering device during the ink run-in is evened out to a certain extent so that it is not immediately available to the desired extent at the start of printing.
  • the color profile set at the ink metering device is reconstructed by the interaction and reaction of application rollers and printing form. This measure according to the invention after the main filing made it possible to greatly reduce the amount of waste previously incurred. A color profile corresponding to the production run is quickly achieved.
  • the invention is based on the object of achieving a color profile corresponding to the production run as quickly as possible and avoiding further maculator attacks.
  • This object is achieved in that in the first step the amount of ink is controlled so that it is an inverse to the desired production color profile, i. H. oversized or undersized color profile is generated and that in the second step the ink supply is controlled so that it corresponds to the desired production color profile.
  • the amount of ink is supplied in the second step in such a way that it adapts zone by zone to the desired production profile regardless of the distance of the inverse color profile from the desired production color profile.
  • the amount of dampening agent is reduced compared to the amount supplied during continuous printing during the supply of ink.
  • the inverse color profile is set via an electronic computing and control device.
  • the optimal production color profile is detected by means of a plate reader, which determines the area coverage per zone, then the appropriate inverse color profile is determined using this data, and the ink metering device is then set accordingly.
  • the production printing profile can also be preset with a light pen or keyboard and then carried out accordingly with the computing device according to the invention.
  • the advantages achieved with the invention are, in particular, to achieve the fastest possible and optimal production status, with only a small amount of waste.
  • By using the inverse color profile an ideal color-water balance is achieved achieved. Lubrication and emulsification are avoided.
  • the production process is optimally prepared for larger orders.
  • FIG. 1 shows a diagram in which the ink layer thickness F Z is plotted against the zones Z.
  • a profile of the ink layer thickness is shown, the ink strip width set by the ink ductor being kept constant (e.g. 50%).
  • This profile corresponds approximately to the amount of color V F shown in FIG. 2, which is plotted as a solid curve over the zones Z.
  • the amount of ink V F is proportional to the product of duct stroke F D and zone opening F Z.
  • the curve corresponds to the desired amount of ink for the production status. For example, the curve has two maxima and a minimum.
  • a horizontal line runs through the turning points between the extremes, which corresponds to the average ink consumption across all zones of a printing unit.
  • the ink metering device ie the ink supply to the zones, is set in such a way that an inverse ink quantity distribution is obtained results in the dashed curve and then changes this setting so that the course of the dashed curve adapts to the course of the solid curve, ie the optimal production status and thus an optimal ink-water balance is reached.
  • the approach of the inverse curve to the desired curve is indicated by arrows.
  • FIG. 3 shows the average value of the solid color density D V as a function of the number of sheets B Z.
  • the horizontal curves a and b show the waste in the case of overstaining or understaining.
  • the setting is optimal if, as the curve I shows, it lies between the horizontal lines a and b.
  • the dotted curve I strives for the ideal final value after a relatively small number of arches
  • the solid curve II which corresponds to the setting of the ink layer thickness without inverse control, only reaches the optimum state later. This eliminates the need for previous waste sheets (approx. 100-300 sheets) and the production process can be started with very little waste (10 to 50 sheets).

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Coloring (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Color, Gradation (AREA)
  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
EP92111657A 1991-08-28 1992-07-09 Méthode pour régler le profil d'encrage pour l'impression du tirage Expired - Lifetime EP0529257B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4128537 1991-08-28
DE4128537A DE4128537A1 (de) 1991-08-28 1991-08-28 Verfahren zum einstellen eines fortdruckfarbprofils

Publications (2)

Publication Number Publication Date
EP0529257A1 true EP0529257A1 (fr) 1993-03-03
EP0529257B1 EP0529257B1 (fr) 1995-10-18

Family

ID=6439323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92111657A Expired - Lifetime EP0529257B1 (fr) 1991-08-28 1992-07-09 Méthode pour régler le profil d'encrage pour l'impression du tirage

Country Status (6)

Country Link
EP (1) EP0529257B1 (fr)
JP (1) JP3073609B2 (fr)
AT (1) ATE129193T1 (fr)
AU (1) AU658428B2 (fr)
DE (2) DE4128537A1 (fr)
ES (1) ES2080388T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1232862A1 (fr) * 2001-02-15 2002-08-21 MAN Roland Druckmaschinen AG Procédé pour mettre en marche une machine rotative d'impression offset
DE102005013634A1 (de) * 2005-03-24 2006-09-28 Man Roland Druckmaschinen Ag Verfahren zum Betrieb einer Druckmaschine
CN102649348A (zh) * 2011-02-24 2012-08-29 海德堡印刷机械股份公司 油墨装置和润湿装置中与机器相关的补偿

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE151347T1 (de) * 1993-12-02 1997-04-15 Roland Man Druckmasch Verfahren zum zuführen von druckfarbe bei einer druckmaschine
DE4429481C2 (de) * 1993-12-02 1995-12-21 Roland Man Druckmasch Verfahren zum Zuführen von Druckfarbe bei einer Druckmaschine
DE4412601C2 (de) * 1994-04-13 2003-06-18 Heidelberger Druckmasch Ag Verfahren zum Steuern oder Regeln einer Einfärbung in einem Farbwerk einer Offsetdruckmaschine
DE19516333A1 (de) * 1995-05-04 1996-11-07 Heidelberger Druckmasch Ag Verfahren zum Steuern oder Regeln der Farbgebung einer Druckmaschine
DE19615156B4 (de) * 1996-04-17 2007-12-27 Man Roland Druckmaschinen Ag Verfahren zur Versorgung einer Druckmaschine mit Farbe
DE19701219A1 (de) * 1997-01-16 1998-07-23 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Farbgebung beim Drucken
DE19720954C2 (de) * 1997-05-17 2001-02-01 Roland Man Druckmasch Verfahren zum Einrichten der Farbführung im Fortdruck in einer Rotationsdruckmaschine
DE19727387C5 (de) * 1997-06-27 2010-01-21 Manroland Ag Verfahren und Vorrichtung zur Steuerung der Farbzufuhr bei Druckmaschinen
JP4139012B2 (ja) * 1999-09-06 2008-08-27 株式会社小森コーポレーション 印刷機のインキ供給量調整方法および装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561100A1 (de) * 1966-12-27 1970-02-12 Planeta Veb Druckmasch Werke Farbwerk von Rotationsdruckmaschinen
FR2216112A2 (fr) * 1973-02-01 1974-08-30 Strachan & Henshaw Ltd
FR2293314A1 (fr) * 1974-12-03 1976-07-02 Grapho Metronic Gmbh & Co Dispositif pour la regulation de la distribution du liquide de mouillage et/ou d'encre sur une machine a impression rotative du type offset
EP0085750A1 (fr) * 1982-02-10 1983-08-17 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de réglage du débit d'encre dans une rotative d'impression
EP0141168A2 (fr) * 1983-10-20 1985-05-15 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Réglage initial pour dispositifs d'encrage
GB2189744A (en) * 1986-04-29 1987-11-04 Heidelberger Druckmasch Ag Printing press ink feed regulating system
GB2202490A (en) * 1987-03-11 1988-09-28 Heidelberger Druckmasch Ag Setting up ink distribution profiles in printing machines
DE4013740A1 (de) * 1989-06-19 1991-01-03 Heidelberger Druckmasch Ag Offset-druckmaschine sowie verfahren zum schnellen erreichen des fortdruckzustandes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0403861B1 (fr) * 1989-06-19 1994-08-31 Heidelberger Druckmaschinen Aktiengesellschaft Méthode pour obtenir rapidement l'état d'impression

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561100A1 (de) * 1966-12-27 1970-02-12 Planeta Veb Druckmasch Werke Farbwerk von Rotationsdruckmaschinen
FR2216112A2 (fr) * 1973-02-01 1974-08-30 Strachan & Henshaw Ltd
FR2293314A1 (fr) * 1974-12-03 1976-07-02 Grapho Metronic Gmbh & Co Dispositif pour la regulation de la distribution du liquide de mouillage et/ou d'encre sur une machine a impression rotative du type offset
EP0085750A1 (fr) * 1982-02-10 1983-08-17 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de réglage du débit d'encre dans une rotative d'impression
EP0141168A2 (fr) * 1983-10-20 1985-05-15 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Réglage initial pour dispositifs d'encrage
GB2189744A (en) * 1986-04-29 1987-11-04 Heidelberger Druckmasch Ag Printing press ink feed regulating system
GB2202490A (en) * 1987-03-11 1988-09-28 Heidelberger Druckmasch Ag Setting up ink distribution profiles in printing machines
DE4013740A1 (de) * 1989-06-19 1991-01-03 Heidelberger Druckmasch Ag Offset-druckmaschine sowie verfahren zum schnellen erreichen des fortdruckzustandes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1232862A1 (fr) * 2001-02-15 2002-08-21 MAN Roland Druckmaschinen AG Procédé pour mettre en marche une machine rotative d'impression offset
DE102005013634A1 (de) * 2005-03-24 2006-09-28 Man Roland Druckmaschinen Ag Verfahren zum Betrieb einer Druckmaschine
CN102649348A (zh) * 2011-02-24 2012-08-29 海德堡印刷机械股份公司 油墨装置和润湿装置中与机器相关的补偿
CN102649348B (zh) * 2011-02-24 2016-05-18 海德堡印刷机械股份公司 油墨装置和润湿装置中与机器相关的补偿

Also Published As

Publication number Publication date
EP0529257B1 (fr) 1995-10-18
DE4128537A1 (de) 1993-03-04
JP3073609B2 (ja) 2000-08-07
DE4128537C2 (fr) 1993-07-08
ES2080388T3 (es) 1996-02-01
JPH05220936A (ja) 1993-08-31
AU658428B2 (en) 1995-04-13
ATE129193T1 (de) 1995-11-15
DE59204053D1 (de) 1995-11-23
AU2130492A (en) 1993-03-04

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