EP0477768B1 - Farbwerk für eine Tiefdruckmaschine - Google Patents

Farbwerk für eine Tiefdruckmaschine Download PDF

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Publication number
EP0477768B1
EP0477768B1 EP91115899A EP91115899A EP0477768B1 EP 0477768 B1 EP0477768 B1 EP 0477768B1 EP 91115899 A EP91115899 A EP 91115899A EP 91115899 A EP91115899 A EP 91115899A EP 0477768 B1 EP0477768 B1 EP 0477768B1
Authority
EP
European Patent Office
Prior art keywords
forme cylinder
ink
cylinder
inking roller
inking
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
EP91115899A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0477768A1 (de
Inventor
Peter Maier
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.)
Koenig and Bauer AG
Original Assignee
Albert Frankenthal AG
Koenig and Bauer Albert 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 Albert Frankenthal AG, Koenig and Bauer Albert AG filed Critical Albert Frankenthal AG
Publication of EP0477768A1 publication Critical patent/EP0477768A1/de
Application granted granted Critical
Publication of EP0477768B1 publication Critical patent/EP0477768B1/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
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B41F9/063—Using inking rollers

Definitions

  • the invention relates to an inking unit for a rotogravure printing press according to the preamble of claim 1.
  • a generic inking unit for a rotogravure printing press has become known from US-A-18 43 048.
  • the inking unit consists of a lifting and lowering ink tray, a forme cylinder, a inking roller, which is rotatably mounted on a lever and is in rolling contact with the forme cylinder.
  • the inking roller is arranged so that it can be brought into rolling contact in a lower, part of the forme cylinder facing the printing ink.
  • a force can be introduced via the lever so that the inking roller can be pressed against the forme cylinder.
  • the inking roller is arranged at a lateral distance from a vertical plane which passes through the axis of rotation of the forme cylinder.
  • the form cylinder cannot dip into the printing ink, it can only be inked using the inking roller.
  • Gravure inking units with inking rollers are e.g. B. become known from DE-PS 2 48 463.
  • the inking roller transports ink against the gravure cylinder.
  • DE-GM 72 29 629 is a device for adjusting the height of an ink tray to the forme cylinder.
  • the invention has for its object to provide an inking unit with a inking roller for a rotogravure printing press, in which it is possible to keep the contact pressure of the inking roller on the forme cylinder and the preselected immersion depth of the forme cylinder in the intaglio ink even if one after the other Forme cylinders with different diameters can be used.
  • the advantages that can be achieved with the invention also include the fact that a constant contact pressure (kg / m2) of the inking roller on the forme cylinder even with one large format variability of the forme cylinder (e.g. smallest diameter to largest diameter, such as 1: 2) can be set and maintained.
  • a constant contact pressure (kg / m2) of the inking roller on the forme cylinder even with one large format variability of the forme cylinder (e.g. smallest diameter to largest diameter, such as 1: 2) can be set and maintained.
  • the immersion depth of the forme cylinder can be changed without the contact pressure of the inking roller on the forme cylinder changing unaffectedly.
  • the contact pressure (line pressure) can be changed sensitively and also changed while the machine is running, without having to change the immersion depth of the forme cylinder in the printing ink.
  • a inking roller 3 and a forme cylinder 4 are immersed in an ink fountain 2 filled to the brim with gravure ink 1.
  • the forme cylinder 4 dips to a pre-selectable depth.
  • B. a few centimeters in gravure ink 1 (immersion depth T).
  • the inking roller 3 is covered on its outer surface with a textile cover and is laterally spaced z. B. right (distance 12) from one vertical plane through the axis of rotation 11 of the forme cylinder 4 below in frictional contact with the jacket of the forme cylinder 4.
  • the inking roller 3 is in a first end 10 of a one-armed lever arm 5 and a first end 7 of an angled two-armed lever arm 6, which over the left wall of the Protrude paint tray 2, rotatably mounted.
  • a one-sided piston rod 13 of a single-acting cylinder 14 is articulated to a second end 8 of the two-armed lever arm 6 via a pin 9 and fork head.
  • the cylinder 14 can be pressurized via a connection 15 on the rod side by means of a pneumatic or hydraulic medium.
  • the pressure can be set via pressure sources (compressor, pump) and manual valves or pressure reducers not shown.
  • a counter bearing of the cylinder 14 is articulated to a support piece 16.
  • the support piece 16 is welded on the outside to the bottom plate 17 and is on the left beyond the outline of the paint pan 2.
  • Bores are provided in the kink 18 of the double-armed lever arms 6 and at the second end 20 of the one-armed lever 5, through which a spindle 19 passes and is welded to the lever arms 5, 6.
  • the ends of the spindle 19 are rotatably mounted in bores of two spaced webs 21 (left and right).
  • the webs 21 (left, right) are integrally connected to the floor panel 17 inside the paint trough 2 near the two side walls 22.
  • the bottom plate 17 is positively connected to the outside in the middle with one end of a toothed rack 23.
  • the rack 23 is displaceable in a guide which is fixed to the frame and is not shown, but is not rotatably mounted.
  • a Pinion 24 is in engagement with the toothing of the rack 23 and is connected via a shaft 25 to a reduction gear with a stepping motor 26 and a counter 27.
  • the counter 27 serves as an indication of the current height of the ink tray 2 and is to be used as a measure of the current immersion depth of the forme cylinder 4.
  • the ink tray 2 can be raised or lowered and thus the immersion depth of the forme cylinder 4 in the printing ink 1 can be determined independently of the diameter of the forme cylinder 4.
  • a pressure medium with variable pressure is supplied to the cylinder 14 via the connection 15. This makes it possible to selectively apply the contact pressure of the inking roller 3 depending on the position of the pressure setting device z. B. sensitive pressure reducer to change.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Coating Apparatus (AREA)
EP91115899A 1990-09-26 1991-09-19 Farbwerk für eine Tiefdruckmaschine Expired - Lifetime EP0477768B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4030377 1990-09-26
DE4030377A DE4030377A1 (de) 1990-09-26 1990-09-26 Farbwerk fuer eine tiefdruckmaschine

Publications (2)

Publication Number Publication Date
EP0477768A1 EP0477768A1 (de) 1992-04-01
EP0477768B1 true EP0477768B1 (de) 1995-04-26

Family

ID=6414976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115899A Expired - Lifetime EP0477768B1 (de) 1990-09-26 1991-09-19 Farbwerk für eine Tiefdruckmaschine

Country Status (6)

Country Link
US (1) US5103723A (fi)
EP (1) EP0477768B1 (fi)
JP (1) JPH07110540B2 (fi)
DE (2) DE4030377A1 (fi)
ES (1) ES2073085T3 (fi)
FI (1) FI102062B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003728A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238054C2 (de) * 1992-11-11 1996-07-11 Koenig & Bauer Albert Ag Einrichtung zum Kompensieren der Durchbiegung eines Tiefdruckformzylinders
DE4340128C2 (de) * 1993-11-25 1996-07-25 Koenig & Bauer Albert Ag Tiefdruckfarbwerk
DE4340482C2 (de) * 1993-11-27 1995-10-12 Frankenthal Ag Albert Tiefdruckfarbwerk
DE19617746B4 (de) * 1996-05-03 2005-05-25 Heidelberger Druckmaschinen Ag Farbwerk für eine Druckmaschine
WO1998050233A1 (de) * 1997-05-05 1998-11-12 Koenig & Bauer Aktiengesellschaft Farbwerk zum einfärben eines formzylinders einer tiefdruckmaschine
JP2001030611A (ja) * 1999-07-27 2001-02-06 Nihon Tokkyo Kanri Co Ltd 水性グラビアインキを用いて行うグラビア印刷方法及びこの印刷方法の実施に用いられる版胴並びにこの印刷方法により印刷された印刷物
US6910341B2 (en) * 2003-09-26 2005-06-28 Thermo King Corporation Temperature control apparatus and method of operating the same
DE102011009287B4 (de) 2011-01-24 2015-07-02 Ibg Monforts Walzentechnik Gmbh & Co.Kg Farbwerk
CN104029465A (zh) * 2014-05-27 2014-09-10 渭南三立印刷机械有限公司 一种凹印机上的供墨补偿装置
WO2019238200A1 (en) 2018-06-12 2019-12-19 Bobst Italia S.P.A. Inking cartridge for a rotogravure press with optimal configurations for several types of ink
CN112423987B (zh) * 2018-06-12 2022-08-16 鲍勃斯脱意大利有限公司 具有用于多种墨水的最佳配置的轮转凹版印刷机的着墨系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE248463C (fi) *
GB259684A (en) * 1925-07-17 1926-10-18 Walter Everett Molins Improvements in and relating to printing machines
US1843048A (en) * 1930-05-16 1932-01-26 Linotype Machinery Ltd Mechanism for inking the printing surfaces of rotary intaglio printing machines
DE674972C (de) * 1936-12-15 1939-04-26 Albert Schnellpressen Farbwerk fuer Rotationstiefdruckmaschinen
US2974586A (en) * 1960-04-19 1961-03-14 Hunt Forest Wethero Doctor blade and doctor blade shear for textile printing machine
DE1282026B (de) * 1966-08-08 1968-11-07 Dornbusch & Co Einrichtung an einer Rotationsdruckmaschine, insbesondere einer Mehrfarbentiefdruckmaschine, zum Anstellen des Formzylinders an den Gegendruckzylinder
DE1611286A1 (de) * 1967-08-31 1970-04-02 Albert Schnellpressen Einfaerbevorrichtung fuer den Formzylinder von Tiefdruckmaschinen
DE7229629U (de) * 1972-08-10 1972-11-16 Frankenthal A Ag Vorrichtung zum An- und Abstellen der Farbwannen in Tiefdruck-Rotationsmaschinen
DE2321377C2 (de) * 1973-04-27 1974-11-28 Fischer & Krecke Kg, 4800 Bielefeld Farbwerk
US4354449A (en) * 1978-07-03 1982-10-19 The Black Clawson Company Two sided coater
JPS56167455A (en) * 1980-05-30 1981-12-23 Toppan Printing Co Ltd Prevention method for adhering of foam to gravure cylinder
DD229961A1 (de) * 1984-12-03 1985-11-20 Polygraph Leipzig Farbkasten
JPH0440924Y2 (fi) * 1985-01-25 1992-09-25
DD260893A1 (de) * 1987-06-22 1988-10-12 Polygraph Leipzig An- und abstellvorrichtung fuer die gummituchzylinder eines vier-zylinder-druckwerks fuer eine rollenrotations-offsetdruckmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007003728A1 (de) 2007-01-25 2008-08-07 Koenig & Bauer Aktiengesellschaft Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine
DE102007003728B4 (de) * 2007-01-25 2009-10-29 Officine Meccaniche Giovanni Cerutti S.P.A. Farbwerk zum Einfärben eines Formzylinders eines Druckwerks einer Tiefdruckmaschine

Also Published As

Publication number Publication date
FI914509A (fi) 1992-03-27
FI102062B1 (fi) 1998-10-15
JPH04246540A (ja) 1992-09-02
FI102062B (fi) 1998-10-15
JPH07110540B2 (ja) 1995-11-29
FI914509A0 (fi) 1991-09-25
US5103723A (en) 1992-04-14
DE4030377C2 (fi) 1993-08-05
EP0477768A1 (de) 1992-04-01
DE59105306D1 (de) 1995-06-01
ES2073085T3 (es) 1995-08-01
DE4030377A1 (de) 1992-04-16

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