EP0047505A2 - Procédé et appareil pour ajuster les éléments de dosage des zones d'encrage dans les machines d'impression - Google Patents

Procédé et appareil pour ajuster les éléments de dosage des zones d'encrage dans les machines d'impression Download PDF

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Publication number
EP0047505A2
EP0047505A2 EP81106930A EP81106930A EP0047505A2 EP 0047505 A2 EP0047505 A2 EP 0047505A2 EP 81106930 A EP81106930 A EP 81106930A EP 81106930 A EP81106930 A EP 81106930A EP 0047505 A2 EP0047505 A2 EP 0047505A2
Authority
EP
European Patent Office
Prior art keywords
ink
metering
color
amount
drive
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
EP81106930A
Other languages
German (de)
English (en)
Other versions
EP0047505A3 (en
EP0047505B1 (fr
Inventor
Erich Georg Wieland
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
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0047505A2 publication Critical patent/EP0047505A2/fr
Publication of EP0047505A3 publication Critical patent/EP0047505A3/de
Application granted granted Critical
Publication of EP0047505B1 publication Critical patent/EP0047505B1/fr
Expired legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a method and a device for setting ink zone-wide ink metering elements according to the generic terms of claims 1 and 4.
  • the invention has for its object to provide a method and a device with which it is possible to set a precise position of the color metering elements despite playful drive.
  • the advantages of the invention are, in particular, that, despite play in the drive train for a color metering element, a very precise setting of the color metering elements is possible.
  • a simple position indicator for the color metering elements can be created by balancing the steps with which the stepper motors are loaded.
  • Drives can be used to adjust the ink metering elements, which are not subject to high mechanical accuracy requirements and which are therefore very inexpensive. This is all the more important because each ink metering element has its own drive is needed. It is also not necessary to know the play in the drive elements qenau in order to still be able to make an exact adjustment of the color metering elements in both directions.
  • a game compensation can be carried out easily. The game compensation can also be easily adapted to progressive wear.
  • a driven ink fountain roller 2 is immersed in an ink fountain 1 of a rotary printing machine.
  • a plurality of pivotable ink metering elements 3 are arranged in close proximity to one another in a known manner.
  • the ink metering elements 3 can be pivoted about a pivoting edge 4 of an ink fountain base 6 of the ink fountain 1.
  • the swivel arm 7 In its lower part 8, the swivel arm 7 is provided with an open control groove 9, which has two vertical control surfaces 10, 15.
  • An eccentrically on a gearwheel 11 dips into the control groove 9 arranged control roller 12 a.
  • Via a number of toothed wheels 13, the toothed wheel 11 is positively or non-positively connected to a pinion 14 of a stepping motor 16 which can be operated with a reversal of the direction of rotation.
  • the drive for the color metering elements 3 each having a color metering edge 21 is not free of play.
  • Each of the drive elements 9, 12, 11, 13, 14 for the ink metering elements 3 can have a different game, the values of which add up to an overall game "a”.
  • the size of the total play "a" is determined and converted into adjustment steps of the stepper motor 16, it being defined that an adjustment step is a process in which a motor shaft of a stepper motor 16 rotates by a precisely defined step angle (clockwise and counterclockwise rotation).
  • the ink dosage element 3 Due to the pressure exerted by a printing ink in the ink fountain 1 due to its weight or during its transport through an ink gap "b", which is formed by the ink dosage edge 21 and a circumference of the ink fountain roller 2, the ink dosage element 3 is always in the same direction " A "pivots about the Verschwenkkante 4 (in this example clockwise g Fi. 1). This means that a right control surface 15 of the control groove 9 in the swivel arm 7 rests on the control roller 12.
  • an ink gap "b" is enlarged, i. H. an ink film on the ink fountain roller 2 becomes thicker.
  • the color gap "b” is reduced, i. H. the ink film on the ink fountain roller 2 becomes thinner.
  • the stepping motor 16 must have a number of "c" adjustment steps run in a "minus direction", z. B. clockwise.
  • the pivot arm 7 is pivoted counterclockwise by means of the control roller 12. Compensation for the drive play is not necessary in this direction, because the right control surface 15 of the control groove 9 is constantly pressed against the control roller 12 by the forces which act on the ink metering element 3 and thus on the pivot arm 7 via the printing ink in the ink fountain 1.
  • the stepping motor 16 must have a number of " d "Run adjustment steps in a” plus direction ", e.g. B. counterclockwise.
  • the pivot arm 7 is pivoted clockwise around the pivot edge 4 by means of the control roller 12. Because forces act on the ink in the ink fountain 1 on the ink metering element 3 and thus on the swivel arm 7, the right control surface 15 of the control groove 9 is pressed against the control roller 12.
  • the stepping motor 16 rotates in the opposite direction and resets the preselected amount "c” in the form of “c” adjustment steps without play compensation "a” and additional adjustment steps "z".
  • the ink metering element 3 is always adjusted in the inventive direction from the same direction, ie from the same flank in the gear 9, 10, 15, 11, 13, 14. This will be explained with reference to FIG. 2.
  • the ink metering element 3 is to be adjusted in the "reduce ink gap” direction by the number of "d” adjustment steps from a position "L".
  • the control roller 12 lies in the starting position "L” on the right control surface 15 of the control groove 9. In this position, the control roller 12 presses against the right control surface 15 of the control groove 9, then pivots the pivot arm 7 with the ink metering element 3 by "c" adjustment steps in Rich tunq "reduce the color gap", ie counterclockwise, to a position "M" which corresponds exactly to the desired adjustment value "c". Also in this position "M", the control roller 12 bears against the right control surface 15 of the control groove 9.
  • the ink metering element 3 is now to be pivoted from the position "M" by an amount "d" (it corresponds to the number “d” adjustment steps) in the direction of "enlarging the ink gap".
  • the play compensation can also be easily adapted to the wear of the components such as toothed wheels 11, 13, 14 and guides 10, 15 by adjusting the values for "a” or "a + z" from time to time.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP19810106930 1980-09-10 1981-09-04 Procédé et appareil pour ajuster les éléments de dosage des zones d'encrage dans les machines d'impression Expired EP0047505B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3033994 1980-09-10
DE19803033994 DE3033994A1 (de) 1980-09-10 1980-09-10 Verfahren und einrichtung zum einstellen von farbzonenbreiten farbdosierelementen von druckmaschinen

Publications (3)

Publication Number Publication Date
EP0047505A2 true EP0047505A2 (fr) 1982-03-17
EP0047505A3 EP0047505A3 (en) 1982-03-24
EP0047505B1 EP0047505B1 (fr) 1984-11-28

Family

ID=6111549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810106930 Expired EP0047505B1 (fr) 1980-09-10 1981-09-04 Procédé et appareil pour ajuster les éléments de dosage des zones d'encrage dans les machines d'impression

Country Status (3)

Country Link
EP (1) EP0047505B1 (fr)
JP (1) JPS5780059A (fr)
DE (1) DE3033994A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100364229C (zh) * 2002-04-26 2008-01-23 汤姆森特许公司 用于适配天线特性的、具有电可调整响应的调谐器输入滤波器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD210878B1 (de) * 1982-06-03 1990-04-25 Foerster Karl Heinz Steuerung fuer farbzonenfernverstellung
DE3424349C2 (de) * 1984-07-03 1995-05-04 Heidelberger Druckmasch Ag Vorrichtung zur Erfassung der Stellung eines Stellelements einer Druckmaschine
JPS6369647A (ja) * 1986-09-11 1988-03-29 J P Ii Kk 印刷機のインキ壷装置
JPS6369648A (ja) * 1986-09-11 1988-03-29 J P Ii Kk 印刷機のインキ壷装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7228918U (de) * 1973-10-04 Maschinenfabrik Augsburg Nuernberg Ag Einrichtung an Farbwerken von Druckmaschinen
DE1102181B (de) * 1955-11-26 1961-03-16 Koenig & Bauer Schnellpressfab Farbkasten an Druckmaschinen
US3055273A (en) * 1958-11-10 1962-09-25 Ind Controls Corp Anti-backlash devices
US3702587A (en) * 1970-10-12 1972-11-14 North American Rockwell Electronic control system for adjustment of ink fountain in a printing press
GB1316009A (en) * 1971-06-23 1973-05-09 Polygraph Leipzig Printing machine control arrangements
DE2714577C3 (de) * 1977-04-01 1980-02-28 M.A.N.-Roland Druckmaschinen Ag, 6050 Offenbach Vorrichtung zum Verstellen des Farbflusses an Druckmaschinenfarbwerken
US4170177A (en) * 1977-04-07 1979-10-09 Toshiba Kikai Kabushiki Kaisha Printing machine inking device with plurality of cam levers
DE3033995C2 (de) * 1980-09-10 1984-11-22 Koenig & Bauer AG, 8700 Würzburg Einrichtung zur Erhaltung der Leichtgängigkeit von Dosierelementen in Farbkästen von Druckmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100364229C (zh) * 2002-04-26 2008-01-23 汤姆森特许公司 用于适配天线特性的、具有电可调整响应的调谐器输入滤波器

Also Published As

Publication number Publication date
JPH0319066B2 (fr) 1991-03-14
JPS5780059A (en) 1982-05-19
DE3033994A1 (de) 1982-04-15
EP0047505A3 (en) 1982-03-24
EP0047505B1 (fr) 1984-11-28
DE3033994C2 (fr) 1988-11-17

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