EP0671265A1 - Procédé pour démarrer/redémarrer la production dans une machine d'impression pour feuilles, en particulier une machine offset - Google Patents

Procédé pour démarrer/redémarrer la production dans une machine d'impression pour feuilles, en particulier une machine offset Download PDF

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Publication number
EP0671265A1
EP0671265A1 EP95102368A EP95102368A EP0671265A1 EP 0671265 A1 EP0671265 A1 EP 0671265A1 EP 95102368 A EP95102368 A EP 95102368A EP 95102368 A EP95102368 A EP 95102368A EP 0671265 A1 EP0671265 A1 EP 0671265A1
Authority
EP
European Patent Office
Prior art keywords
speed
printing press
printing
sheet
feeder
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
EP95102368A
Other languages
German (de)
English (en)
Other versions
EP0671265B1 (fr
Inventor
Horst Klingler
Joachim 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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0671265A1 publication Critical patent/EP0671265A1/fr
Application granted granted Critical
Publication of EP0671265B1 publication Critical patent/EP0671265B1/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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/16—Programming systems for automatic control of sequence of operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B41F33/06—Tripping devices or stop-motions for starting or stopping operation of sheet or web feed

Definitions

  • the invention relates to a method for starting / restarting the continuous printing in a sheet-processing printing machine according to the preamble of claim 1.
  • the sheets to be printed are removed from the top of a sheet stack by means of a separating and drag suction in a feeder, conveyed over a feed table to the sheet feeder, aligned there and - if a correct sheet feeder has been determined - detected by a pre-gripper or the like and printed in the individual printing units.
  • the feeder is coupled to the drive of the printing press via a magnetic coupling.
  • the blowing and suction air for the organs that cause the sheets to be removed from the stack (separating and dragging suction devices) is controlled by switchable solenoid valves.
  • start-up / restarting of the production run takes place, for example, or at the start of production after a stopper in such a way that the printing press is first run up to a so-called basic speed when the feeder is uncoupled.
  • This basic speed can be, for example, 3,000 sheets / h and is usually designed in such a way that the feeder can still be switched on at this speed via the magnetic coupling.
  • the magnetic coupling points positively to one another cooperating coupling parts, so that it is not possible to connect the feeder at a higher speed.
  • the organs causing the sheets to be removed from the stack are also switched on. If a first sheet is found to be correctly aligned with the system (front mark query), the sheet is gripped by the pre-gripper. The command "print-on” is then automatically given in the individual printing units, so that the blanket cylinders are placed on the corresponding plate cylinders and, for printing on the first sheet, on the respective impression cylinder.
  • the object of the present invention is therefore to develop a method according to the preamble of claim 1 in such a way that the waste which arises when the printing speed is increased can be avoided.
  • the feeder is switched on at the basic speed of the printing press, but the organs causing the removal of the sheets from the stack remain switched off.
  • the printing press can be run up to a specified speed, in particular the specified production speed. When this speed is reached, the organs causing the removal of the sheets from the stack are switched on.
  • the sheets now run over the feed table to the machine and a first sheet that has been correctly identified on the machine can now run into the machine.
  • the "Print-On" command is now triggered in the individual printing units in accordance with the sheet travel.
  • the invention ensures that a first sheet entering the machine is already printed at the production speed.
  • the settling process for dyeing and dampening begins without disruption, since the pressure is already taken up at the intended speed.
  • FIG. 1 and FIG. 2 show the time course of the start-up of the printing press and the corresponding switching processes as an abscissa with respect to the time axis.
  • T is the time axis (abscissa) and V is the printing speed / speed.
  • V is the printing speed / speed.
  • the feeder is uncoupled, and the suction and blowing air for the corresponding conveying elements is also switched off.
  • the cylinders in the individual printing units as well as the application roller of the inking and dampening units are in the "print-down" state.
  • the feeder is now switched on at the basic speed VG by appropriately switching the magnetic coupling.
  • the separating and drag vacuums remain switched off.
  • the speed of the printing press is again increased from the basic speed VG to the production speed VP by correspondingly controlling the main drive according to a predetermined time ramp. After a certain period of time, the printing press reaches the intended production speed VP.
  • the damping and Ink rollers are attached to the associated plate cylinder and also to pre-ink the blanket cylinder they are placed on the respective plate cylinder.
  • the separating and drag vacuums are switched on at a time t2 by actuating one or more solenoid valves.
  • a first sheet is now conveyed to the system via the feed table and at time t3 is found to be correctly attached to the system (front label control), whereupon it is gripped by a pre-gripper and conveyed through the printing press via sheet-guiding cylinders.
  • the blanket cylinder is then brought into contact with the impression cylinder in the first printing unit, so that the first sheet is printed in the first printing unit.
  • the consequent connection of the blanket cylinders to the impression cylinders in the other printing units is carried out analogously and likewise automatically by a control known per se.
  • the drive of the printing press is activated in this way at a time t0 when the feeder is uncoupled, so that the printing press runs the basic speed VG.
  • the feeder is engaged when the separating and drag vacuums are switched off.
  • the printing machine is now ramped up from the basic speed VG to an intermediate speed VZ in accordance with a predetermined time ramp.
  • This intermediate speed VZ is, for example, a certain amount below the final intended production speed VP and higher than the speed at which the feeder can still be switched on.
  • the air for the separating and dragging vacuum cleaners and the other sheet guiding devices is switched on at a time t2, so that at a time t3 a first sheet correctly detected in the system is inserted into the machine can break in.
  • the plate and blanket cylinders are already pre-moistened and pre-inked in the individual printing units.
  • the plate cylinders are also connected to the corresponding impression cylinders in the individual printing units at intermediate speed VZ, for example.
  • VZ intermediate speed
  • Fig. 2 only the corresponding time t4 for the first printing unit is indicated.
  • the first sheet in the printing press is thus printed at the intermediate speed VZ. It can now be provided that, after the pressure has been switched on in all printing units, the speed V of the printing press is increased from the intermediate speed VZ to the final production speed VP.
  • the two embodiment variants of the method according to the invention described above are preferably triggered in a program-controlled manner by an automatic control, for example via a machine control center.
  • an automatic control for example via a machine control center.
  • both automatic start-up and the start-up method described according to the invention can optionally be triggered by the automatic start-up control.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Handling Of Cut Paper (AREA)
  • Paper (AREA)
EP95102368A 1994-03-08 1995-02-21 Procédé pour démarrer/redémarrer la production dans une machine d'impression pour feuilles, en particulier une machine offset Expired - Lifetime EP0671265B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4407631A DE4407631C1 (de) 1994-03-08 1994-03-08 Verfahren zum Anfahren/Wiederanfahren des Fortdrucks bei einer bogenverarbeitenden Druckmaschine, insbesondere Bogenoffsetdruckmaschine
DE4407631 1994-03-08

Publications (2)

Publication Number Publication Date
EP0671265A1 true EP0671265A1 (fr) 1995-09-13
EP0671265B1 EP0671265B1 (fr) 1997-08-13

Family

ID=6512125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102368A Expired - Lifetime EP0671265B1 (fr) 1994-03-08 1995-02-21 Procédé pour démarrer/redémarrer la production dans une machine d'impression pour feuilles, en particulier une machine offset

Country Status (5)

Country Link
US (1) US5584244A (fr)
EP (1) EP0671265B1 (fr)
JP (1) JP2695390B2 (fr)
AT (1) ATE156755T1 (fr)
DE (2) DE4407631C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2017079A2 (fr) * 2007-07-14 2009-01-21 manroland AG Procédé pour faire fonctionner a machine d'impression de feuilles

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19639134C2 (de) * 1996-09-24 1999-03-25 Roland Man Druckmasch Verfahren zum Anfahren/Wiederanfahren des Fortdruckes
DE19916470A1 (de) * 1999-04-13 2000-10-26 Roland Man Druckmasch Verfahren und Vorrichtung zum Anfahren einer Bogendruckmaschine
US20020084567A1 (en) * 2000-12-28 2002-07-04 Holbrook Russell W. Method for providing an inserter system with a variable input speed at startup
DE102006007181A1 (de) * 2006-02-16 2007-08-23 Heidelberger Druckmaschinen Ag Steuerung einer Druckmaschine mittels Torsionsmodell
US9079388B2 (en) 2006-02-16 2015-07-14 Heidelberger Druckmaschinen Ag Control of a printing press using a torsion model and printing press controlled by torsion model
DE102007000952A1 (de) * 2007-09-20 2009-04-02 Koenig & Bauer Aktiengesellschaft Verfahren zum Hochlauf einer Rotationsdruckmaschine
JP2009028937A (ja) * 2007-07-25 2009-02-12 Ryobi Ltd 印刷機の給水制御機構
DE102007057732A1 (de) * 2007-11-30 2009-06-04 Koenig & Bauer Aktiengesellschaft Verfahren zum Anfahren/Wiederanfahren einer Bogendruckmaschine
JP5281851B2 (ja) * 2008-08-28 2013-09-04 リョービ株式会社 枚葉印刷機の給紙速度制御装置
DE102009017898A1 (de) 2009-04-17 2010-10-21 Heidelberger Druckmaschinen Ag Verfahren zum Vorfeuchten einer Druckplatte in einem Offsetdruckwerk
DE102012024734B4 (de) * 2012-01-18 2023-04-06 Heidelberger Druckmaschinen Ag Verfahren zum Zuführen von Bogen zu einer drucktechnischen Maschine
US10227197B2 (en) * 2013-08-16 2019-03-12 The Procter & Gamble Plaza Method for reducing the effects of parent roll variations during unwinding
DE102014116074A1 (de) 2014-11-04 2016-05-04 manroland sheetfed GmbH Steuerung für Bogendruckmaschinen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195456A (en) * 1963-11-18 1965-07-20 Cutler Hammer Inc Timing and sequencing control system for sheet fed rotary printing press
DE2930270A1 (de) * 1979-07-26 1981-03-12 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Kontrolleinrichtung fuer die zufuhr von bogen.
EP0490475A1 (fr) * 1990-11-28 1992-06-17 Ward Holding Company, Inc. Démarrage et arrêt d'impression des feuilles fournies
DE4206626A1 (de) * 1992-03-03 1993-09-09 Heidelberger Druckmasch Ag Verfahren zur verringerung von dublieren beim anlaufen einer bogendruckmaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056346A (en) * 1960-01-14 1962-10-02 Addressograph Multigraph Printing machine
US3460473A (en) * 1966-12-28 1969-08-12 Harris Intertype Corp Rotary sheet fed machine
IT991860B (it) * 1973-07-25 1975-08-30 Nebiolo Spa Macchina rotativa da stampa per fogli singoli
ES427105A1 (es) * 1974-06-08 1976-07-16 Impression Textil Maquinaria Perfeccionamientos en la construccion de maquinas de estam-par tejidos con moldes planos.
JPS6010976B2 (ja) * 1975-08-18 1985-03-22 株式会社リコー 印刷機の給紙時機調整装置
DD125119A1 (fr) * 1976-03-15 1977-04-06
US4038921A (en) * 1976-04-28 1977-08-02 Halm Instrument Co., Inc. Means to connect printing presses in tandem
DE2853901C2 (de) * 1978-12-14 1982-10-28 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Eindruckvorrichtung für eine Druckmaschine, insbesondere Rotationsdruckmaschine
DE2921955C2 (de) * 1979-05-30 1982-06-09 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogenanleger für eine Bogendruckmaschine
JP2535428B2 (ja) * 1990-04-13 1996-09-18 エス・ケイエンジニアリング株式会社 シ―ト供給装置
DE4013075C1 (fr) * 1990-04-25 1991-06-20 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5272975A (en) * 1990-04-25 1993-12-28 Man Roland Druckmaschinen Ag Throw-on/throw-off device for a blanket cylinder with a printing speed dependent control system for a sheet-fed offset press
DE4013106C1 (fr) * 1990-04-25 1991-12-12 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195456A (en) * 1963-11-18 1965-07-20 Cutler Hammer Inc Timing and sequencing control system for sheet fed rotary printing press
DE2930270A1 (de) * 1979-07-26 1981-03-12 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Kontrolleinrichtung fuer die zufuhr von bogen.
EP0490475A1 (fr) * 1990-11-28 1992-06-17 Ward Holding Company, Inc. Démarrage et arrêt d'impression des feuilles fournies
DE4206626A1 (de) * 1992-03-03 1993-09-09 Heidelberger Druckmasch Ag Verfahren zur verringerung von dublieren beim anlaufen einer bogendruckmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2017079A2 (fr) * 2007-07-14 2009-01-21 manroland AG Procédé pour faire fonctionner a machine d'impression de feuilles
EP2017079A3 (fr) * 2007-07-14 2011-08-24 manroland AG Procédé pour faire fonctionner a machine d'impression de feuilles

Also Published As

Publication number Publication date
EP0671265B1 (fr) 1997-08-13
US5584244A (en) 1996-12-17
JPH07256870A (ja) 1995-10-09
DE4407631C1 (de) 1995-10-19
JP2695390B2 (ja) 1997-12-24
DE59500485D1 (de) 1997-09-18
ATE156755T1 (de) 1997-08-15

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