EP2111984A1 - Presse - Google Patents

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Publication number
EP2111984A1
EP2111984A1 EP09005259A EP09005259A EP2111984A1 EP 2111984 A1 EP2111984 A1 EP 2111984A1 EP 09005259 A EP09005259 A EP 09005259A EP 09005259 A EP09005259 A EP 09005259A EP 2111984 A1 EP2111984 A1 EP 2111984A1
Authority
EP
European Patent Office
Prior art keywords
unit
printing
cylinder
dampening
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
EP09005259A
Other languages
German (de)
English (en)
Other versions
EP2111984B1 (fr
Inventor
Peter Dipl.-Ing. Hummel
Robert Dipl.-Ing. Ortner
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 Sheetfed GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40757036&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2111984(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Manroland AG filed Critical Manroland AG
Publication of EP2111984A1 publication Critical patent/EP2111984A1/fr
Application granted granted Critical
Publication of EP2111984B1 publication Critical patent/EP2111984B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/004Electric or hydraulic features of drives
    • B41F13/0045Electric driving devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/008Mechanical features of drives, e.g. gears, clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F7/00Rotary lithographic machines
    • B41F7/20Details
    • B41F7/24Damping devices
    • B41F7/26Damping devices using transfer rollers

Definitions

  • the invention relates to a printing press according to the preamble of claim 1.
  • a sheet-fed press with several printing units wherein each of the printing units comprises a counter-pressure cylinder, a rolling on the impression cylinder blanket cylinder, a rolling on the blanket cylinder cylinder and an inking unit and a dampening unit.
  • the impression cylinders, the blanket cylinders, the inking units and the dampening units of the printing units are driven by a main drive.
  • the cylinders of the printing units are associated with their own drives or direct drives, which drive the form cylinder decoupled from the main drive of the printing press eigenmotorisch.
  • the impression cylinders, the blanket cylinders, the inking units and the dampening units of the printing units are driven by the main drive according to this prior art, while the forme cylinders of the printing units are driven by the respective direct drives, synchronized with the main drive.
  • the form cylinder are driven in the continuous printing operation by means of the form cylinders associated direct drives, print quality disturbances can form, which are caused by torque fluctuations in the corresponding printing unit.
  • print quality disturbances can form, which are caused by torque fluctuations in the corresponding printing unit.
  • the present invention is based on the problem to provide a novel printing press.
  • dampening unit is associated with a separate direct drive, which drives the dampening unit in the production mode self-propelled and thus independent of the main drive and the direct drive of the forme cylinder.
  • each of the dampening units of the printing units a separate direct drive.
  • a dampening unit is then driven in an eigenmotoric manner by the same direct drive assigned to it.
  • there is then no mechanical drive connection via gears between the inking unit and the forme cylinder and blanket cylinders of the respective printing unit so that a reaction of the dampening unit drive can be avoided on the cylinder of the printing unit.
  • This can be used to avoid torque fluctuations in the printing unit, so that print quality disturbances can be eliminated by torque fluctuations.
  • the inking unit of the printing units in each case at least one separate direct drive is assigned, which drives the inking unit in the continuous printing mode self-propelled and thus independent of the main drive and the direct drive of the forme cylinder.
  • Fig. 1 shows a highly schematic of a printing unit designed as a sheet-fed press printing machine, wherein the printing of the Fig. 1 a forme cylinder 1, a rolling on the forme cylinder 1 blanket cylinder 2 and a rolling from the blanket cylinder 2 impression cylinder 3 includes.
  • the forme cylinder 1 is also referred to as a plate cylinder and the blanket cylinder 2 as a transfer cylinder.
  • the printing unit has the Fig. 1
  • At least the impression cylinder 3 and the blanket cylinder 2 of the printing of the Fig. 1 are driven by a main drive 6.
  • the transfer cylinder 1 is associated with a direct drive 7 to drive the forme cylinder 1 own motor.
  • printing unit are driven under conditions of continuous printing of the blanket cylinder 2, the impression cylinder 3 and the inking unit 4 from the main drive 6.
  • the plate cylinder 1 is driven by the direct drive 7 eigenmotorisch, in synchronism with the blanket cylinder. 2
  • a separate direct drive is associated with the dampening unit 5, which drives the dampening unit 5 under conditions of production intrinsic motor and thus independently of the main drive 6 of the printing press and the direct drive 7 of the forme cylinder 1 of the respective printing unit.
  • the direct drive 8 of the dampening unit 5 is preferably associated with the dampening form roller of the dampening unit 5, which then drives the dampening form roller in the self-propelled mode.
  • the dampening roller of the dampening unit 5 can be driven by the direct drive 8 so that the peripheral speed of the dampening roller either corresponds to the peripheral speed of the forme cylinder 1 or deviates from the same.
  • dampening unit 5 in particular the dampening roller of the dampening unit 5, a direct drive is assigned, there is no reaction of the dampening unit drive or dampening roller drive on the cylinders 1, 2 and 3 of the printing unit. Pressure disturbances caused by torque fluctuations can thus be reduced or avoided.
  • the dampening roller of the dampening unit 5 may be associated with a clutch that is open in the continuous printing operation for disengaging the dampening roller and thus the dampening unit 5 from the main drive 6, but which can be closed in an emergency operation to z. B. in case of failure of the dampening unit 5 associated direct drive 8 to be able to drive the dampening unit 5 from the main drive 6 from.
  • At least one separate direct drive is assigned to the inking unit 4 of each printing unit in order to drive the inking unit 4 self-propelled in the continuous printing mode and thus independently of the main drive 6 of the printing press and of the direct drive 7 of the forme cylinder 1 ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP09005259A 2008-04-22 2009-04-09 Presse Revoked EP2111984B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008001318A DE102008001318A1 (de) 2008-04-22 2008-04-22 Druckmaschine

Publications (2)

Publication Number Publication Date
EP2111984A1 true EP2111984A1 (fr) 2009-10-28
EP2111984B1 EP2111984B1 (fr) 2011-09-28

Family

ID=40757036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09005259A Revoked EP2111984B1 (fr) 2008-04-22 2009-04-09 Presse

Country Status (3)

Country Link
EP (1) EP2111984B1 (fr)
AT (1) ATE526157T1 (fr)
DE (1) DE102008001318A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699524A2 (fr) 1994-08-30 1996-03-06 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Machine d'impression offset
EP0812683A1 (fr) 1996-06-11 1997-12-17 MAN Roland Druckmaschinen AG Entraînement pour une machine à imprimer
GB2328903A (en) * 1997-09-08 1999-03-10 Roland Man Druckmasch Process for achieving the production run state in a web-fed printing machine
EP1593498A2 (fr) * 2004-05-06 2005-11-09 Koenig & Bauer Aktiengesellschaft Dispositif d'entraínement d'un rouleau toucheur de mouillage dans rotatives d'impression

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408025A1 (de) * 1994-03-10 1995-09-14 Koenig & Bauer Ag Druckwerk für eine Mehrfarbenrollenrotationsdruckmaschine
DE10000903A1 (de) * 1999-02-05 2000-08-10 Heidelberger Druckmasch Ag Verfahren zum Betrieb einer Druckmaschine und Druckmaschine zur Durchführung des Verfahrens
DE10206891A1 (de) * 2001-03-12 2002-09-19 Heidelberger Druckmasch Ag Druckwerksantrieb
DE10350098A1 (de) * 2002-11-21 2004-06-03 Heidelberger Druckmaschinen Ag Antrieb für eine Offsetdruckmaschine
DE102004042264A1 (de) * 2004-09-01 2006-03-02 Koenig & Bauer Ag Verfahren zum Betreiben eines Rotationskörpers mit Enzelantrieb
DE102005041697B4 (de) * 2005-09-02 2017-09-21 manroland sheetfed GmbH Druckmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0699524A2 (fr) 1994-08-30 1996-03-06 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Machine d'impression offset
EP0812683A1 (fr) 1996-06-11 1997-12-17 MAN Roland Druckmaschinen AG Entraînement pour une machine à imprimer
GB2328903A (en) * 1997-09-08 1999-03-10 Roland Man Druckmasch Process for achieving the production run state in a web-fed printing machine
EP1593498A2 (fr) * 2004-05-06 2005-11-09 Koenig & Bauer Aktiengesellschaft Dispositif d'entraínement d'un rouleau toucheur de mouillage dans rotatives d'impression

Also Published As

Publication number Publication date
ATE526157T1 (de) 2011-10-15
EP2111984B1 (fr) 2011-09-28
DE102008001318A1 (de) 2009-10-29

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