EP0692377A2 - Procédé et dispositif pour l'entraînement synchrone de composants d'une machine d'impression - Google Patents

Procédé et dispositif pour l'entraînement synchrone de composants d'une machine d'impression Download PDF

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Publication number
EP0692377A2
EP0692377A2 EP95810444A EP95810444A EP0692377A2 EP 0692377 A2 EP0692377 A2 EP 0692377A2 EP 95810444 A EP95810444 A EP 95810444A EP 95810444 A EP95810444 A EP 95810444A EP 0692377 A2 EP0692377 A2 EP 0692377A2
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EP
European Patent Office
Prior art keywords
signal
actual value
setpoint
printing press
motor
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
EP95810444A
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German (de)
English (en)
Other versions
EP0692377B1 (fr
EP0692377A3 (fr
EP0692377B2 (fr
Inventor
Ernst Lehmann
Konrad Vogel
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.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik AG
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Publication date
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Application filed by Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP0692377A2 publication Critical patent/EP0692377A2/fr
Publication of EP0692377A3 publication Critical patent/EP0692377A3/fr
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/264—Calculating means; Controlling methods with key characteristics based on closed loop control

Definitions

  • the invention relates to a method and a device for the synchronous driving of printing press components by means of coupled drive motors.
  • Known printing machines for printing web-shaped materials are equipped with a longitudinal shaft running along the machine, which ensures precise synchronous operation of one or more drive motors.
  • the individual components of this machine for example printing units, folders, web tension members and the like, are driven from this longitudinal shaft by mechanical gears and couplings.
  • a synchronous run of the individual printing press components is achieved here, the elastic flexibility of the mechanical transmission elements can have an effect on the print quality of the printed product when accelerating or decelerating.
  • Such a mechanical transmission chain with a longitudinal shaft On the one hand, synchronization is very complex, since a large number of individual parts are required; on the other hand, the transmission chain also hinders access to the individual printing press components and furthermore makes autonomous use of machine components difficult during set-up operation.
  • a printing machine without a longitudinal shaft is known from DE-A 41 38 479.
  • the actuators of the printing press components are driven individually with directly attached drive motors.
  • the mechanical transmission chain for synchronizing the printing press components is saved, but a large number of directly driving motors with correspondingly high-precision controls must be used for this. This solution is therefore complicated and expensive.
  • DE 33 18 250 A1 teaches a regulating and control device for the synchronous drive of a web-fed rotary printing press with mechanically uncoupled main drive motors.
  • the main drive motors ie their motor controllers
  • the motor controllers receive their setpoint via the control line in the form of a so-called reference frequency for setting the desired setpoint speed.
  • a rotary pulse generator is arranged to determine the actual speed value. Its output signal is also fed to the engine controller.
  • the individual motor controllers thus receive a setpoint control signal and a locally approved motor control Actual value from which the motor controller uses a suitable control algorithm to generate the output signal for controlling the respective drive motor.
  • Problems will arise with this known motor control if the printing machine components acting as loads have different elasticities. The differences between the measured actual values and the setpoint value supplied via the control line due to the different elasticities of the loads or the transmission elements from the drive motors to the loads increase in the worst case from one printing machine component to another, which inevitably leads to tension and pressure quality-reducing deviations, in particular when accelerating or decelerating the machine.
  • the object of the invention is to enable the synchronous running of printing press components at any time, in particular also during an acceleration phase, for example while the machine is starting up, but also after longer periods of printing.
  • the invention is based on a method for synchronously driving printing press components, in which drive motors of printing press components are coupled to one another by a setpoint control signal and the drive motors coupled in this way are regulated as a function of a deviation between the setpoint control signal and a suitable actual value signal.
  • the setpoint control signal can be a speed signal or a position signal, for example an angular position to be set, for the loads, namely the printing press components, or the drive motors.
  • the actual value signal designated as suitable can be taken from the motor, at a point in the transmission path from the motor to the driven load, or preferably at the torque-free end of this load.
  • the setpoint signal in certain operating conditions, for. B. speed changes when starting up the press or after system component run-in processes are not simply generated, but are adapted by an actual value signal of a press component. Since the adjusted setpoint control signal assumes the function of the coupling between the drive motors and is not simply predefined from the outside, for example by a corresponding generator of the system control, but is changed in accordance with a suitable control algorithm depending on the actual values that are set on the printing press components , the drive motors can be optimally regulated and controlled according to the required accuracy.
  • the actual value of a printing press component or a drive motor can be used.
  • An actual value signal of a printing press component and a corresponding actual value signal of an associated drive motor are preferably used simultaneously to form the setpoint control signal. Taken together, these two actual value signals contain almost complete information about the drive-load system of the printing press component and the associated drive motor. If, in continuous printing at constant speed, the differences between the actual value signals of the individual printing press components are compared with one another and monitored for limit values, then with pure speed control over a longer production time, accumulating phase position errors can be avoided by suitable control processes.
  • the control system selects the actual value signal which has the greatest deviation from the setpoint specification or the largest actual / actual difference to form the setpoint control signal.
  • a pair consisting of a printing press component and an associated drive motor is thus always determined as the master for the synchronization.
  • a simplified version of the system consists in forming the setpoint control signal on the basis of the difference between an actual press component load signal and the setpoint value signal which has not yet been adjusted.
  • the present invention can be used in such printing machines, in particular rotary printing machines, the components of which, namely the printing units, folders and the like, are also mechanically connected, for example by means of corresponding gearwheel trains.
  • it is preferably used for autonomously driven printing press components.
  • These printing press components can be driven by several drive motors.
  • the printing press components are equipped with a single drive motor or with a main drive motor which is coupled to the drive motor (s) of other printing press components by the setpoint control signal.
  • inking rollers are used in the printing press, which are not driven by the printing cylinders themselves, but independently, these can be controlled analogously to the system components via the master frequency and multiplication factors.
  • the advance factors can be predetermined or adjusted by the control depending on the respective inking roller contact pressure or radius.
  • FIG. 1 shows a roll changer 2, a pretensioner 3, printing units 4, a superstructure tension member 5, a folder 6 and a former roller 17 for a conventional web-fed rotary printing machine as printing machine components, which are synchronized by a master frequency coupling according to the invention.
  • Drive motors 7 with motor sensors 8 and load sensors 9 assigned to these printing press components are also shown.
  • FIG. 2 shows a regulating and control arrangement for the printing press components 2, 3, 4, 5, 6 and 17. This is a master frequency coupling of the drive motors 7 of the printing press components.
  • the drive motors 7 are controlled by a motor controller 10.
  • a motor encoder 8 is provided for each of the motor controllers 10. which outputs an actual value signal I 1 representing the speed or the position of the respective motor 7 to the controller 10 of this motor 7.
  • each motor controller 10 is supplied with a setpoint value signal V via a line bus 14 from a master frequency generator 12.
  • the speed setpoint specification signal V is received by all motor controllers 10 in real time via a line bus 14.
  • the motor controller 10 uses this to generate the respective control signal R for each of the drive motors 7 according to a suitable control algorithm.
  • the drive motors 7 then drive their respective printing press components, in particular the printing units 4, of which only a directly driven blanket cylinder and its impression cylinder are shown in FIG. 2.
  • the load transmitter 9 is arranged for measuring and outputting a suitable actual load value I2 for the control.
  • the printing units 4 and the folder 6 are equipped with such loaders 9. Basically, it would also suffice to provide only the pressure units 4 with loaders 9.
  • the actual values I1 and I2 from the pairs of motor and load sensors 8 and 9 are each fed back to a machine control 13 via feedback lines 28 and 29.
  • the phase shift between the respective pairs of motor sensors 8 and load angle sensors 9 is monitored by the controller 13.
  • the motor controllers 10 of the printing units 4 and of the folder 6 are equipped with address decoders 10.1 so that the machine control 13 can address them individually.
  • the actual value signals I1 and I2 are each fed via a return line 28 and 29 to the machine control 13.
  • the actual values I1 and I2 of the respective system components with each other or the actual value I1 or I2 of an individual system component for the setpoint input signal (V) are monitored in order to determine the drift in the production run. From this, a correction signal K for the respective printing unit 4 and the folder 6 is formed each time predetermined limit values are exceeded and is guided by the control via a line 16 together with an associated address signal via the address decoder 10.1 into the relevant motor controller 10.
  • the motor controllers 10 of the printing units 4 and of the folder 6 each have a setpoint / actual value comparator 10.2 and a power unit 10.3.
  • the comparator 10.2 of each printing unit 4 and the folding apparatus 6 are supplied with three signals, namely the correction signal K via line 16 or address decoder 10.1, the actual motor value I 1 and via line 14 the setpoint value signal V from the frequency generator 12.
  • the individual control is thus formed as a function of the correction signal K transmitted on line 16 and the setpoint value signal V on line 14 for each printing unit 4 or the folder 6 in the respectively assigned motor controllers 10.
  • the control signals are formed from the individually formed desired value control signals S and the individual actual values I 1 and, after amplification in the power sections 10.3, the motor controller 10 is fed as control signals R to the respective motor 7.
  • the frequency generator 12 When the machine is started, the frequency generator 12 generates the setpoint specification signal V on the basis of the speed specification of the controller 13. With the signal feedback circuits 28 and 29, the setpoint specification signal V can then be used on the bus 14 in accordance with the acceleration smoothing to the setpoint control signal S supplied to all coupled printing press components be adjusted. At a constant speed, such a global setpoint control signal S corresponds to the setpoint input signal V.
  • the signals (15, 16) can take place via a single bus connection.
  • the signals of the individually addressable motor and load sensors 8 and 9 are checked by the controller 13 in a random sampling process. Mechanical register adjustments on the printing cylinders are automatically recognized by the control 13 and taken into account in accordance with a higher-level machine program.
  • a query and correction algorithm is advantageously processed using fuzzy logic.
  • the setpoint control signals can be formed centrally with a correspondingly designed machine generator 12 and machine control 13.
  • address-coded setpoint control signals S are routed to the motor controllers 10 via the line bus 14.
  • the formation of the setpoint control signals S is shifted from the engine controllers 10 to a central unit formed by the generator 12 and the controller 13. Corresponding adjustments would have to be made with regard to the advance multipliers for the train bodies.
  • the same setpoint control signal S is always fed to the printing units 4 or the folder 6 via the bus 14.
  • the address decoder 10.1 of the motor controller 10 can be omitted.
EP95810444A 1994-07-13 1995-07-05 Procédé et dispositif pour l'entraînement synchrone de composants d'une machine d'impression Expired - Lifetime EP0692377B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4424752A DE4424752B4 (de) 1994-07-13 1994-07-13 Verfahren und Vorrichtung zum synchronisierten Antreiben von Druckmaschinenkomponenten
DE4424752 1994-07-13

Publications (4)

Publication Number Publication Date
EP0692377A2 true EP0692377A2 (fr) 1996-01-17
EP0692377A3 EP0692377A3 (fr) 1997-02-05
EP0692377B1 EP0692377B1 (fr) 1999-12-01
EP0692377B2 EP0692377B2 (fr) 2006-11-15

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Family Applications (1)

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EP95810444A Expired - Lifetime EP0692377B2 (fr) 1994-07-13 1995-07-05 Procédé et dispositif pour l'entraînement synchrone de composants d'une machine d'impression

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EP (1) EP0692377B2 (fr)
DE (2) DE4424752B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029204A1 (fr) * 1995-03-18 1996-09-26 Koenig & Bauer-Albert Ag Procede d'actionnement d'une unite, par ex. une plieuse de presse rotative
EP0882588A1 (fr) * 1997-06-02 1998-12-09 Maschinenfabrik Wifag ContrÔle du repérage des cylindres dans une machine à imprimer rotative pour bandes
EP1275499A2 (fr) * 1995-03-18 2003-01-15 Koenig & Bauer Aktiengesellschaft Procédé d'actionnement d'une unité, par exemple une plieuse de presse rotative

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942031B4 (de) * 1999-09-03 2005-10-06 Man Roland Druckmaschinen Ag Verfahren zum Betreiben einer Rollenrotations-Druckmaschine
DE102005032188A1 (de) * 2005-07-09 2007-01-18 Man Roland Druckmaschinen Ag Verfahren zum Betreiben einer Druckmaschinenanlage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318250A1 (de) 1983-05-19 1984-11-22 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rollenrotationsdruckmaschine
EP0446641A2 (fr) 1990-03-13 1991-09-18 Heidelberger Druckmaschinen Aktiengesellschaft Régulateur de position des arbres de commande d'une imprimante
DE4138479A1 (de) 1991-11-22 1993-06-03 Baumueller Nuernberg Gmbh Verfahren und anordnung fuer einen elektromotor zum antrieb eines drehkoerpers, insbesondere des druckgebenden zylinders einer druckmaschine
DE4210988A1 (de) 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Einrichtung zum Regeln der mechanischen Leistung eines Mehrmotorenantriebs für eine Druckmaschine
DE4344912A1 (de) 1993-12-29 1995-07-06 Wifag Maschf Regelung des Antriebs von Zylindern und Walzen einer Rotationsdruckmaschine
DE4344896A1 (de) 1993-12-29 1995-07-06 Wifag Maschf Rotationsdruckmaschine mit paarweise zu Zylindergruppen zusammengefaßten Gummituch- und Platten- bzw. Formzylindern
DE4405658A1 (de) 1993-12-29 1995-09-07 Wifag Maschf Rotationsdruckmaschine mit paarweise zu Zylindergruppen zusammengefaßten Gummituch- und Platten- bzw. Formzylindern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT215547B (fr) * 1959-06-15 1961-06-12 Licentia Patent-Verwaltungs-Gmbh
EP0095437A1 (fr) * 1982-05-17 1983-11-30 Asea Ab Dispositif pour le repérage de machines à imprimer
DE3318182A1 (de) * 1983-05-19 1984-11-22 Friedrich 7157 Murrhardt Legrom Verfahren zum herausbewegen von teilschiebern einer druck- oder spritzgiessform fuer waelzlagerkaefige aus den taschen fuer rollen oder nadeln sowie vorrichtung zur durchfuehrung dieses verfahrens
JPS60250955A (ja) * 1984-05-26 1985-12-11 Hamada Insatsuki Seizosho:Kk プリンタ・スロツタ
DE3519840A1 (de) * 1985-06-03 1986-12-04 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren zur begrenzung der drehzahl eines antriebsmotors einer rotationsoffsetdruckmaschine
DE3621520A1 (de) * 1985-07-08 1987-02-12 Zahnrad Und Getriebefabrik Sie Vorrichtung zum ausgleich von drehzahlschwankungen einer antriebswelle
JP2720584B2 (ja) * 1990-07-20 1998-03-04 株式会社安川電機 サーボシステムの同調位相制御装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318250A1 (de) 1983-05-19 1984-11-22 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rollenrotationsdruckmaschine
EP0446641A2 (fr) 1990-03-13 1991-09-18 Heidelberger Druckmaschinen Aktiengesellschaft Régulateur de position des arbres de commande d'une imprimante
DE4138479A1 (de) 1991-11-22 1993-06-03 Baumueller Nuernberg Gmbh Verfahren und anordnung fuer einen elektromotor zum antrieb eines drehkoerpers, insbesondere des druckgebenden zylinders einer druckmaschine
DE4210988A1 (de) 1992-04-02 1993-10-07 Heidelberger Druckmasch Ag Einrichtung zum Regeln der mechanischen Leistung eines Mehrmotorenantriebs für eine Druckmaschine
DE4344912A1 (de) 1993-12-29 1995-07-06 Wifag Maschf Regelung des Antriebs von Zylindern und Walzen einer Rotationsdruckmaschine
DE4344896A1 (de) 1993-12-29 1995-07-06 Wifag Maschf Rotationsdruckmaschine mit paarweise zu Zylindergruppen zusammengefaßten Gummituch- und Platten- bzw. Formzylindern
DE4405658A1 (de) 1993-12-29 1995-09-07 Wifag Maschf Rotationsdruckmaschine mit paarweise zu Zylindergruppen zusammengefaßten Gummituch- und Platten- bzw. Formzylindern

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029204A1 (fr) * 1995-03-18 1996-09-26 Koenig & Bauer-Albert Ag Procede d'actionnement d'une unite, par ex. une plieuse de presse rotative
US5901647A (en) * 1995-03-18 1999-05-11 Koenig & Bauer-Albert Aktiengesellschaft Process for driving equipment e.g. a folding device for a rotary press
EP1275499A2 (fr) * 1995-03-18 2003-01-15 Koenig & Bauer Aktiengesellschaft Procédé d'actionnement d'une unité, par exemple une plieuse de presse rotative
EP1275499A3 (fr) * 1995-03-18 2003-09-03 Koenig & Bauer Aktiengesellschaft Procédé d'actionnement d'une unité, par exemple une plieuse de presse rotative
EP1666248A1 (fr) * 1995-03-18 2006-06-07 Koenig & Bauer Aktiengesellschaft Procédé d'actionnement d'une unité, par exemple une plieuse de presse rotative
EP0882588A1 (fr) * 1997-06-02 1998-12-09 Maschinenfabrik Wifag ContrÔle du repérage des cylindres dans une machine à imprimer rotative pour bandes

Also Published As

Publication number Publication date
EP0692377B1 (fr) 1999-12-01
DE4424752A1 (de) 1996-01-18
EP0692377A3 (fr) 1997-02-05
DE4424752B4 (de) 2004-07-22
DE59507309D1 (de) 2000-01-05
EP0692377B2 (fr) 2006-11-15

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