EP1494860A1 - Procede d'entrainement d'une unite d'impression - Google Patents

Procede d'entrainement d'une unite d'impression

Info

Publication number
EP1494860A1
EP1494860A1 EP03722204A EP03722204A EP1494860A1 EP 1494860 A1 EP1494860 A1 EP 1494860A1 EP 03722204 A EP03722204 A EP 03722204A EP 03722204 A EP03722204 A EP 03722204A EP 1494860 A1 EP1494860 A1 EP 1494860A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
speed
drive motor
cylinders
limit value
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
EP03722204A
Other languages
German (de)
English (en)
Other versions
EP1494860B1 (fr
Inventor
Erhard Herbert GLÖCKNER
Bernd Kurt Masuch
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
Priority claimed from PCT/DE2002/000805 external-priority patent/WO2002074540A1/fr
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority claimed from PCT/DE2003/000670 external-priority patent/WO2003074275A1/fr
Publication of EP1494860A1 publication Critical patent/EP1494860A1/fr
Application granted granted Critical
Publication of EP1494860B1 publication Critical patent/EP1494860B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft

Definitions

  • the invention relates to methods for driving a printing unit according to the preamble of claims 1 or 3.
  • a compensating friction gear in the form of bearer rings having an inverse radius ratio is superimposed on a friction gear made of process-related friction cylinders.
  • the normal force between the cylinders placed against each other is set in such a way that an amount of a difference in the Power consumption of the motors driving the cylinders is minimal.
  • the above Regulation can be used particularly in printing units, with several transmission cylinders with so-called satellite cylinders forming pressure points, such as. B. in 5-cylinder printing units, 9-cylinder or 10-cylinder satellite printing units.
  • selectable items are selected simultaneously with the minimization of the generator or motor power on the satellite cylinder.
  • Upper limits for the deviation of the speed or the peripheral speed of the circumferential speed of the interacting transfer cylinders do not fall below or exceed. Within these limits, the satellite cylinder is driven at its minimum absolute power (generator or motor). These limits can be selected differently for different substrates, for different printing processes and different quality requirements.
  • FIG. 3 shows a schematic illustration of a 10-cylinder satellite printing unit
  • the length of the usable bale is understood to be the width or length of the bale that is suitable for receiving lifts. This roughly corresponds to a maximum possible web width of a web to be printed. Any bearer rings, operating areas or grooves in the area of the lateral surface near the face are also not taken into account.
  • FIG. 2 shows a 9-cylinder satellite printing unit 14 with four possible printing points 01, at which the paper web 02 can be printed in the print-on position. (Printing points 01 and paper web 02 and elevators 09 are not explicitly shown in FIGS. 2 and 3).
  • four transfer cylinders 04 can now optionally be adjusted to an impression cylinder 03 designed as a satellite cylinder 03.
  • the transfer cylinders 04 and the interacting forme cylinders 08 can each be driven in pairs by means of the drive motor 07.
  • no drive controls 12; 13 shown In contrast to FIG. 1, between the drive motors 06; 07 and the controller 11 no drive controls 12; 13 shown.
  • the supply of power L06 is no longer the speed n06-nominal or circumferential speed u03-nominal corresponding to the circumferential speed u04, but rather the speed in the reverse manner using the performance L06 as a command variable n06 or the peripheral speed u03 is regulated with regard to a minimum motor or generator power L06 of the drive motor 06.
  • the setpoint u03-Soll on the satellite cylinder 03 is z. B. changed by a relative deviation ⁇ u.
  • At least one of the drive motors 06; 07 of the two cylinders 03; 04 has in its drive control 12; 13 such a transmission G.
  • This transmission G can now be adjusted either via a control station or directly on-site in its translation.
  • the two peripheral speeds u03; 04 are now changed via the setting of the gearbox or g such that they are different from each other, d. H. a relative deviation ⁇ u in their geometrically resulting peripheral speeds u03; received u04.
  • the relative deviation ⁇ u to be set can be different for different types of elevator types (manufacturer and / or class etc.), substrates, for different printing processes and / or different quality requirements, different productions and / or different web guides.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

L'invention concerne un procédé d'entraînement d'une unité d'impression, comprenant au moins un cylindre à contre-pression (03) et un cylindre formant un point de pression avec ce dernier (04). Selon ledit procédé, ce cylindre à contre-pression (01) est entraîné mécaniquement, indépendamment du cylindre, à l'aide d'au moins un premier moteur d'entraînement (06) et une vitesse circonférentielle au niveau du point de contact entre les deux cylindres est modifiée, dès qu'en position d'impression une valeur limite d'une puissance absorbée ou d'un couple du moteur d'entraînement (06, 07), entraînant le cylindre à contre-pression (03) et/ou le cylindre (04), est dépassée.
EP03722204A 2002-03-06 2003-02-28 Procede d'entrainement d'une unite d'impression Expired - Lifetime EP1494860B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
PCT/DE2002/000805 WO2002074540A1 (fr) 2001-03-20 2002-03-06 Procedes et dispositifs pour entrainer une unite d'impression
WOPCT/DE02/00805 2002-03-06
DE10244934 2002-09-25
DE10244934 2002-09-25
DE10252796 2002-11-13
DE10252796 2002-11-13
PCT/DE2003/000670 WO2003074275A1 (fr) 2002-03-06 2003-02-28 Procede d'entrainement d'une unite d'impression

Publications (2)

Publication Number Publication Date
EP1494860A1 true EP1494860A1 (fr) 2005-01-12
EP1494860B1 EP1494860B1 (fr) 2012-03-14

Family

ID=45724306

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03722204A Expired - Lifetime EP1494860B1 (fr) 2002-03-06 2003-02-28 Procede d'entrainement d'une unite d'impression

Country Status (2)

Country Link
EP (1) EP1494860B1 (fr)
AT (1) ATE549162T1 (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03074275A1 *

Also Published As

Publication number Publication date
ATE549162T1 (de) 2012-03-15
EP1494860B1 (fr) 2012-03-14

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