EP1149697A2 - Méthode et dispositif de fonctionnement d'une machine d'impression avec deux entraínements individuels - Google Patents

Méthode et dispositif de fonctionnement d'une machine d'impression avec deux entraínements individuels Download PDF

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Publication number
EP1149697A2
EP1149697A2 EP01108659A EP01108659A EP1149697A2 EP 1149697 A2 EP1149697 A2 EP 1149697A2 EP 01108659 A EP01108659 A EP 01108659A EP 01108659 A EP01108659 A EP 01108659A EP 1149697 A2 EP1149697 A2 EP 1149697A2
Authority
EP
European Patent Office
Prior art keywords
drive
gear train
angle
individual
difference
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
EP01108659A
Other languages
German (de)
English (en)
Other versions
EP1149697A3 (fr
EP1149697B1 (fr
Inventor
Holger Dr. Wiese
Valentin Gensheimer
Joachim Blumör
Steffen Dr. Garrelts
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
Priority claimed from DE10115546A external-priority patent/DE10115546A1/de
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1149697A2 publication Critical patent/EP1149697A2/fr
Publication of EP1149697A3 publication Critical patent/EP1149697A3/fr
Application granted granted Critical
Publication of EP1149697B1 publication Critical patent/EP1149697B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices

Definitions

  • the invention relates to a method for operating a printing press, in particular a sheetfed offset printing machine in which two are independent operated, position-controllable individual drives in a continuous Feed the wheel train, whereby the subunits coupled to the wheel train the printing press are driven and a rotation of the gear train is generated between the input points of the individual drives and a drive to carry out the procedure.
  • a device for controlling a multi-motor drive Printing machine known in which the printing machine has a continuous Gear train and several electromotive individual drives, which in the Feed the wheel train.
  • the instantaneous position of the electric motor measured in the form of an angle of rotation and fed to a control device, which from the angle of rotation differences two neighboring motors in the power flow on their power flows closes.
  • the Actuators of the electric motors are controlled such that the elastic Twist in the gear train of the drive of the printing press and thus also the Power flows are kept constant.
  • the invention is therefore based on the object, a method and a Specify device for operating a printing press, in which despite the rigid, angularly synchronous rotation at the entry points of the electromotive single drives a lifting of the tooth flanks of the Gear train is prevented safely.
  • the object is achieved in that the angle of rotation position of the gear train is measured at two positions of the gear train, the Location of a single drive depending on the resulting Difference resulting from the rotational angle positions is set.
  • the advantage of the invention is that the actual rotation in the The gear train of the printing press was measured and used to set a preload one of the individual drives compared to the second single drive is used. This ensures that all interlocking tooth flanks of the The gear wheels of the gear train just lie against each other and therefore always one minimal positive load is transferred to the gear train. An unnecessarily strong one Bracing the gears against each other is reliably avoided and a Increased wear in the gear transmission prevented.
  • the rotational angle difference of the gear train before the start of the printing process depending on a predetermined operating state of the Printing machine determined and the individual drive during the printing process prestressed this angle of rotation difference.
  • the Printing machine After setting the predetermined operating state, the Printing machine the wheel train by the single drive in a predetermined Direction of rotation moves, the difference in the angular position within the Wheel train is determined by moving the wheel train until at multiple measurement a constant angle of rotation difference is determined.
  • the Printing machine With this initialization process, the Printing machine a constant angle difference depending on one certain load state of the printing machine is reached.
  • the load state is thereby especially by the machine speed of the printing press, the color in the Characterized inking units and the printing state of the printing units. For every Load situation of the printing press is therefore simply a preload on the Individual drive can be determined.
  • the position of the position-controllable Single drive before the movement of the gear train and after reaching the constant angle of rotation difference of the individual drive determined, from the a rotational angle difference of the individual drive is determined in both positions, where from the sum of the rotational angle difference of the gear train and the Rotation angle difference of the individual drive, the bracing is determined in order which the single drive is preloaded during the printing process.
  • the accuracy of the twist presetting of the wheel train is improved, if an additional angle of rotation difference is set, which consists of a predetermined operating load and / or the wheel stiffness is determined.
  • two can be acted upon individually Single drives connected to a control unit, the individual drives on two different places of the printing press in one continuous Feed the wheel train, which is coupled to the subunits of the printing press is, a position-controllable individual drive by the control unit with a Setpoint can be acted upon, causing the gear train between the two Individual drives can be preloaded by a predetermined angle.
  • a position-controllable individual drive by the control unit with a Setpoint can be acted upon, causing the gear train between the two Individual drives can be preloaded by a predetermined angle.
  • each Position sensor emits a signal per gear revolution, from which the Control unit a rotation angle difference under specified operating conditions calculated.
  • the play of the tooth flanks of the gears is surely prevented when the Control unit applies a setpoint to the individual drive, which is derived from the Rotational angle difference of the gear train and a rotational angle difference of the Individual drive can be determined.
  • each drive for an electric motor has its own independent speed control loop. These speed control loops are given identical basic speed setpoints fed. With the exception of a master drive, each slave drive receives one Another setpoint, the additional speed setpoint, which is generated by the slave drive assigned differential angle controller is formed.
  • each of these differential angle controllers can be derived from the actual angles of the concerned slave drive and an adjacent slave drive Difference or that from the actual angles of the slave drive concerned and the Lead drive formed difference are used.
  • the master drive must not necessarily be adjacent to the slave drive under consideration.
  • the difference between the actual angles can also be calculated using a difference of Actual speeds of two drives with subsequent integration to determine one Difference angle can be realized.
  • the actual speeds can also be selected here of the relevant and a neighboring slave drive or the relevant one Slave drive and the master drive can be used to form the difference.
  • control concept can include a power or Torque pre-control in each or only in individual control loops be expanded.
  • the differential angle controller is converted from the manipulated variables Pilot control currents or torques are calculated. These input tax parameters are as additional setpoints the current or torque controllers of the respective Slave drives activated.
  • the basis for recording the actual values are Absolute encoder (angle encoder) or incremental encoder with Reference signal for determining the absolute position.
  • Differential angle controllers can be in different positions in the gear train at least two sensors can be arranged, which are dependent on variable Operating states of the printing press (e.g. depending on speed, temperature etc.) provide angle information.
  • Target differential angles can be used as basic values for setting the differential angle individual drive axles determined relative to each other and as static Setpoint specification can be stored in the differential angle controllers.
  • the determination of a setpoint specification for the differential angle controller can also be based on Based on other different basics, e.g. E.g .: by more fixed values or by any movement size (Angular velocities or accelerations) or by force quantities (Drive and cutting torques) or by electrical quantities (drive currents, voltages) as well as combinations of these sizes.
  • This allows one achieve dynamic change in the differential angle setpoint in order for example, the register differences between the individual printing units To be able to optimize machine speed changes.
  • each slave drive receives one Another setpoint, the additional speed setpoint, which is generated by the slave drive assigned differential angle controller is formed.
  • FIG. 1 shows a printing press 1, which consists of a feeder 2, a plurality of subunits 3 to 6 designed as printing units, and a delivery arm 7.
  • the printing machine 1 is driven from the feeder 2 via the printing units 3 to 6 to the delivery unit 7 via a closed gear train 8, which is formed by intermeshing gear wheels 8a to 8h.
  • a closed gear train 8 is formed by intermeshing gear wheels 8a to 8h.
  • blanket cylinders which cooperate with impression cylinders and the transfer cylinders arranged downstream of the impression cylinders.
  • the path of the printing material in the configuration shown in FIG. 1 takes place in the direction of the arrow from right to left.
  • Each position-controllable individual drive 9 and 10 is an electric motor formed, the individual drive 9, the sub-units 3 and 4 and Single drive 10 drives the sub-units 5 and 6 and the boom 7.
  • a pulse generator 11 is opposite to the shaft 17 of the gear 8d and a another pulse generator 12 is opposite the shaft 16 of the gear 8c arranged.
  • Each shaft 16 and 17 has a projection 18 and 19, respectively.
  • Both pulse generators 11, 12 are designed so that they are accurate in one defined angular position of the two gears 8c, 8d when the Projection 18 and 19 each have an electrical pulse per gear revolution output.
  • the upper representation shows the pulse curve on Pulse generator 11 and the lower illustration shows the pulse curve on the pulse generator 12, as it is from a control unit 13 connected to the pulse generators 11 and 12 is detected.
  • control unit 13 is directly connected to the individual drives 9 and 10 connected and acts on the individual drives 9 via an actuator 14 and 15, respectively and 10 a.
  • the control unit 13 accesses the individual drives 9 and 10 and forces the drive elements 9 to run synchronously with the angle of rotation and 10 at the entry points.
  • the control unit 13 determines the actual position of each individual drive 9, 10 and compares this with the Control unit stored setpoints. Based on this comparison each individual drive 9, 10 from the control unit 13 individually via the actuator 14, 15 controlled.
  • the individual drive 9 is at the angle ⁇ 1 and Single drive 10 rotated by the angle ⁇ 2.
  • the individual drives are to be set by a setpoint value determined according to the invention 9 and 10 are controlled such that in addition a predetermined constant Twist ⁇ of the gear train between the input points of the individual drives 9, 10 is guaranteed. Indicator of the presence of such Twist ⁇ is that the tooth flanks of two adjacent, intermeshing gears on meshing a under operating conditions just touch and possibly transfer a small load.
  • the time interval .DELTA.t that results from the pulse curves Pulse generators 11, 12 measured pulses and its temporal changes measured by the control unit 13 and in at a constant engine speed converted a proportional angle of rotation difference.
  • the printing press 1 is first determined to produce Load conditions brought into a predetermined operating state in which the Colors provided in the printing units and the printing units switched on become. A machine speed is also set. Then will on the individual drive 9 by the control unit 13 a lag compared to Single drive 10 generated and increased until the time difference ⁇ t1 constant between the pulses generated by the pulse generators 11 and 12 remains. The constant time difference ⁇ t1 is stored in the control unit 13.
  • the control unit 13 then controls the individual drive 9 in the opposite direction Direction so that there is an advance at the input of the individual drive 9 sets the drive of the individual drive 10. This lag is long as well increased until the time difference between that of the pulse generators 11, 12 emitted pulses is constant.
  • the constant time difference ⁇ t2 determined in this way is stored in the memory of the control unit 13.
  • the location of the Electric motor determined after setting the lead and to determine the Angle of rotation difference ⁇ 2 used analogous to the lead.
  • the control unit 13 then subtracts the time difference ⁇ t2 and calculates it from this an angle difference ⁇ 2, to which the angle difference ⁇ 2 is added.
  • the angle difference ⁇ determined in this way is called the setpoint Production conditions of the regulation of the individual drive 9 by the Control unit 13 used as a basis. It is always a light touch system the tooth flanks in a predetermined direction of movement of the gear train 8 guaranteed.
  • This Lead ⁇ 3 is determined from the desired operating load Printing machine in meshing and the wheel stiffness. It is advantageous the advance ⁇ 3 to a map stored in the control unit 13 remove. This lead ⁇ 3 is added to the lead ⁇ and at Regulation of the individual drive 9 is also taken into account as the setpoint.
  • the method according to the invention is for different configurations of the Printing machine applicable.
  • the number and formation of the sub-units are 3 to 6 variable and can vary from press to press.
  • a setpoint that is, the rotation ⁇ between the Entry points of the individual drives 9, 10 can also be provided Varying the drive torque of the first and second individual drives 9, 10 or that to determine the setpoints for the position control one at a certain ratio of those to be fed in by the individual drives Torques resulting in torsion ⁇ is determined.
  • the snapshot of the Individual drives measured by special sensors or via the current values of the Drive motors determined indirectly.
  • this is preferably done via the first drive 9 in the gear train 8a-8h injected drive torque increased so that to maintain a predetermined speed, the torque to be fed in via the second drive 10 gets smaller.
  • the fed via the first and second motors 9, 10 Moments are compared and used to determine a setpoint for the position control of the two individual drives, i.e. for the rotation ⁇ of Wheel train 8a - 8h used.
  • An angle value ⁇ can be determined in this way corresponds to a certain torque ratio. Training can also be provided, the determination of angles of rotation ⁇ at different Perform speeds and / or different load situations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP20010108659 2000-04-10 2001-04-06 Méthode de fonctionnement d'une machine d'impression avec deux entraînements individuels Expired - Lifetime EP1149697B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10017525 2000-04-10
DE10017525 2000-04-10
DE10115546A DE10115546A1 (de) 2000-04-10 2001-03-28 Verfahren und Vorrichtung zum Betreiben einer Druckmaschine, insbesondere eine Bogenoffset-Druckmaschine
DE10115546 2001-03-28

Publications (3)

Publication Number Publication Date
EP1149697A2 true EP1149697A2 (fr) 2001-10-31
EP1149697A3 EP1149697A3 (fr) 2002-08-21
EP1149697B1 EP1149697B1 (fr) 2010-11-10

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Application Number Title Priority Date Filing Date
EP20010108659 Expired - Lifetime EP1149697B1 (fr) 2000-04-10 2001-04-06 Méthode de fonctionnement d'une machine d'impression avec deux entraînements individuels

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EP (1) EP1149697B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1759842A2 (fr) 2005-09-06 2007-03-07 MAN Roland Druckmaschinen AG Procédé de contrôle et de réglage de registre
DE102007039221A1 (de) 2007-08-20 2009-02-26 Koenig & Bauer Aktiengesellschaft Verfahren zum Antreiben einer Bogenrotationsdruckmaschine mit mehreren Druckwerken
CN116946790A (zh) * 2022-04-27 2023-10-27 海德堡印刷机械股份公司 印刷机中输送带的功能监控

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210989A1 (de) * 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Mehrfachantrieb für eine Bogenrotationsdruckmaschine
DE4210988A1 (de) * 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Einrichtung zum Regeln der mechanischen Leistung eines Mehrmotorenantriebs für eine Druckmaschine
EP0592850A1 (fr) * 1992-10-16 1994-04-20 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé pour amortir les vibrations mécaniques d'une machine à imprimer
EP0846555A1 (fr) * 1996-12-03 1998-06-10 MAN Roland Druckmaschinen AG Entraínement pour une machine à imprimer
EP0904934A1 (fr) * 1997-09-26 1999-03-31 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé d'entraínement des machines d'impression avec plussieurs moteurs indépendents
DE19826338A1 (de) * 1997-09-26 1999-04-01 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4210989A1 (de) * 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Mehrfachantrieb für eine Bogenrotationsdruckmaschine
DE4210988A1 (de) * 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Einrichtung zum Regeln der mechanischen Leistung eines Mehrmotorenantriebs für eine Druckmaschine
EP0592850A1 (fr) * 1992-10-16 1994-04-20 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé pour amortir les vibrations mécaniques d'une machine à imprimer
EP0846555A1 (fr) * 1996-12-03 1998-06-10 MAN Roland Druckmaschinen AG Entraínement pour une machine à imprimer
EP0904934A1 (fr) * 1997-09-26 1999-03-31 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé d'entraínement des machines d'impression avec plussieurs moteurs indépendents
DE19826338A1 (de) * 1997-09-26 1999-04-01 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1759842A2 (fr) 2005-09-06 2007-03-07 MAN Roland Druckmaschinen AG Procédé de contrôle et de réglage de registre
EP1759842A3 (fr) * 2005-09-06 2010-12-08 manroland AG Procédé de contrôle et de réglage de registre
DE102007039221A1 (de) 2007-08-20 2009-02-26 Koenig & Bauer Aktiengesellschaft Verfahren zum Antreiben einer Bogenrotationsdruckmaschine mit mehreren Druckwerken
CN116946790A (zh) * 2022-04-27 2023-10-27 海德堡印刷机械股份公司 印刷机中输送带的功能监控

Also Published As

Publication number Publication date
EP1149697A3 (fr) 2002-08-21
EP1149697B1 (fr) 2010-11-10

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