EP0812682B1 - Entraínement pour une machine à imprimer - Google Patents

Entraínement pour une machine à imprimer Download PDF

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Publication number
EP0812682B1
EP0812682B1 EP97106049A EP97106049A EP0812682B1 EP 0812682 B1 EP0812682 B1 EP 0812682B1 EP 97106049 A EP97106049 A EP 97106049A EP 97106049 A EP97106049 A EP 97106049A EP 0812682 B1 EP0812682 B1 EP 0812682B1
Authority
EP
European Patent Office
Prior art keywords
actual position
position values
drive
values
cylinder
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.)
Expired - Lifetime
Application number
EP97106049A
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German (de)
English (en)
Other versions
EP0812682A2 (fr
EP0812682A3 (fr
Inventor
Albrecht Dipl.-Ing. Völz
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7796603&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0812682(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0812682A2 publication Critical patent/EP0812682A2/fr
Publication of EP0812682A3 publication Critical patent/EP0812682A3/fr
Application granted granted Critical
Publication of EP0812682B1 publication Critical patent/EP0812682B1/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
    • 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 a drive for a printing press according to the preamble of Claim 1.
  • the printing unit cylinders are used as well as those which effect sheet transport and are arranged between the printing units Cylinders or drums over a continuous wheel train of one or driven several drive motors in this wheel feed.
  • the gears of this gear train must be manufactured with high precision The machining and processing tolerances are very small and must not be exceeded become.
  • one or more drive motors using a continuous gear train driven cylinders of sheetfed offset presses result in additional and requirements that increase the construction effort. For example, here is that Circumferential and page registers and the adjusting devices necessary to correct them call.
  • the plate cylinder is usually used to correct the circumferential and / or side register adjustable in circumferential and / or lateral register direction (in the axial direction of the cylinder) with respect to the frame walls that support it and also adjustable with respect to the frame that supports it Gear stored. There is a shift in the helical gears used of the plate cylinder gear relative to the gear driving it Rubber blanket cylinder simultaneously causes this plate cylinder gear to rotate, Additional correction devices must be provided here.
  • JP-A-56-21860 is a drive for the cylinders of an offset printing unit known, both the plate, the blanket and the impression cylinder have a single motor. These single drives receive for the purpose of achievement an angular synchronous synchronism a common signal specification (electronic leading axis) and follow these signal requirements.
  • the individual cylinders of such an offset printing unit but must be angularly synchronized with each other with maximum accuracy be what appropriate measures to suppress or compensate for disturbance variables makes necessary.
  • DE 4 137 979 A1 describes a drive for a printing press with several printing units known in which the individual printing units or printing unit groups mechanically are decoupled from one another, with each printing unit or each printing unit group Drive motor is assigned and with each printing unit or each printing group a device for determining the speed and / or angle of rotation is arranged.
  • angle controllers are provided which allow a permissible angle of rotation deviation of the individual Printing units or printing unit groups of a predetermined angle setpoint such dimensioned so that at least in the rotational angle position at which the sheet is transferred, the rotation angle deviation is minimal.
  • the device according to DE 4 137 979 A1 meets the highest requirements with regard to the manufacturing and signal accuracy of the encoder for determining the angle of rotation in connection with the rotating part to which it is attached.
  • One too only slight misalignment of the encoder or the rotor of this encoder compared to the coupled with it rotating part (cylinder) thus calls a systematic and periodic Repetitive deviation of the actual angular value from that by the encoder delivered angle value. It must also be taken into account in this facility that especially with the cylinders in printing units of sheetfed offset presses during one Rotation strong and periodically repeating load fluctuations occur, which in particular caused by the rolling of the channels of these printing unit cylinders against one another become.
  • DE 4 214 394 A1 describes a rotary printing press in the form of a web-fed rotary printing press known which a number of individually driven cylinders with at least has a separately driven folder.
  • the individual drives of the cylinders and their Drive controllers are grouped into pressure point groups and refer to a position reference from the folder.
  • the administration of the pressure point groups is done by a superordinate control system (electronic longitudinal shaft). Because this is a drive system for a web-fed rotary printing press are those for sheet-fed offset printing presses specific synchronism problems not addressed in this prior art or are not included in the proposed solution. It should also be noted that that in rotary printing presses there is no risk of a so-called mechanical Gripper collision exists.
  • the cylinders (plate, blanket, Impression cylinder) in the printing unit of a web offset printing press only very narrow cylinder gaps on, so that those occurring in sheetfed offset presses are very pronounced Torque fluctuations when rolling the printing unit cylinders against each other not occur and accordingly only cause very little interference.
  • the object of the present invention is therefore to provide a drive according to the preamble of Claim 1 to be expanded in such a way that the above-mentioned disadvantages are avoided as well as taking into account the explained aspects a high and flexible to the Adaptable synchronism accuracy individually driven in the present printing conditions Cylinder or cylinder groups can be achieved.
  • the drive controller which has an associated Power section the motor coupled to the printing unit cylinder according to a predefined position setpoint controls for the detection of an angular position encoder supplied actual position values is assigned a correction device by means of which the Angular position encoder (position of the cylinder) delivered actual position values in predefined, saved or values that can be calculated depending on the actual position values can be changed.
  • the correction device is a Storage device in which the table can be read in directly via the angular position encoder Actual position values are assigned correspondingly modified actual position values, which are then directly be forwarded to the drive controller for position control.
  • This drive controller then performs the position control of the cylinder or motor by forming appropriate Control signals to the power section in connection with, for example, a higher-level Control specified position setpoints.
  • the drive controller therefore leads the Target / actual comparison based on the actual position values modified according to the correction device in Connection with a specified position setpoint and forms the necessary control signals, from which the power section (electronic drive) then receives a corresponding current engine directly coupled to the cylinder.
  • the correction device is designed as a computing device through which the from the angular position encoder Actual position values formed over the entire angular range or in sections to be modified by certain factors. For example, it can be provided that Within certain angular position ranges, those read in directly via the angular position encoder Actual position values are increased by multiplying by a correspondingly stored factor or be reduced.
  • the correction device provided according to the invention is which is connected downstream of the angular position encoder and upstream of the drive controller a storage device or a computing device, it is possible, for example when installing the system (attaching the angular position encoder to the corresponding Determined systematic positional deviations and corresponding Make corrections to compensate for these errors.
  • Can also by the invention provided correction device systematic and based on the measurement principle of Angular position encoder caused angular position deviations are detected and compensated.
  • the correction device additionally adjusts the speed of movement of the cylinder corresponding signal (speed signal) to supply accordingly the correction speed of the cylinder different correction values Position controller (drive controller) depending on the actual position values read feed. It can thus be taken into account that, for example, that caused in the angular position encoder Dead times or other processing delays of the corresponding signals between the current readable actual position value of the angular position encoder and the actual one Angular position value of the cylinder there is a speed-dependent delay. As a result, another correction or modification is then made at low speeds of the actual position values readable via the angular position encoder than for higher ones Speed values.
  • an example is an offset table containing correction device for modifying the one supplied by the angular position encoder Actual position values provided.
  • the resolution of the angular position encoder i.e. the The increment with which the actual position values can be obtained can be reproduced with one turn Path deviations are specified, which means that the drive controller in addition to motor-driven cylinders during a revolution in a predetermined Way ahead or lagging behind the cylinder interacting with it.
  • the correction device and the position controller a defined cylinder according to its position Exerts slip over the pressure zone opposite the cylinder interacting with it (e.g.
  • Print-specific corrections can also be made by the invention. Addressed was the so-called pressure length compensation, which is conventional driven cylinders by placing correspondingly thick washers under the pressure plate and / or the rubber blanket. With an offset printing unit with a rubber blanket cylinder and / or plate cylinder individually driven according to the invention it is possible to save corresponding angular position correction values in the correction device provided according to the invention (offset table), the plate cylinder to drive in such a way with respect to the blanket cylinder, so that exactly the otherwise caused by using differently strong underlay sheets Effect.
  • the plate cylinder practices compared to the blanket cylinder a leading effect or trailing effect, so that the resulting slip the printed image transferred to the rubber cylinder is correspondingly longer or shorter is printed.
  • the correction device provided according to the invention in the offset table stored correction values are matched to one another in such a way that the Leading or running of the interacting cylinders (Blanket cylinder / plate cylinder) canceled during channel correspondence the leading or trailing cylinder, for example at the nominal start of pressure returns to the same starting position.
  • the offset table of the correction device provided according to the invention also various Simulate compressibility or printing properties of blankets. Since that too Duplicate its cause in the area of the pressure zone between plate cylinder and blanket cylinder or in the area between the blanket cylinder and impression cylinder (Printing material) can also have this effect by appropriate modification of a one-off predefined or saved by a suitable choice from a large number Offset tables can be counteracted.
  • Fig. 1 shows in principle the components for a single drive of a cylinder 1 in the illustrated printing unit of a sheetfed offset printing press.
  • the cylinder 1 can here around a plate cylinder, a blanket cylinder or an impression cylinder act.
  • the cylinder 1 is directly coupled to a motor 2 and can be driven by it.
  • the cylinder 1 also has an angular position encoder 6 in rotatably coupled to it Form of an absolute angle encoder, which corresponds to the angular position of the cylinder 1 Signals can be removed.
  • a drive controller 3 designed as an electronic control device stands with a power unit (Converter) 4 for energizing the motor 2 in signal connection.
  • the brushless one DC motor designed motor 2 is with a commutation 5 Formation of commutation signals and correct energization of the motor 2 by the Power section 4 connected.
  • the drive controller 3 are via an indicated signal line Position setpoints LS from a higher-level control device, not shown fed.
  • the actual position values which can be detected via the angular position sensor 6 of the cylinder 1 (Angle signals) LI are a correction device designed as a memory or computer device 7 supplied, by means of which can be removed directly from the position sensor 6 Actual position values LI are converted into modified actual position values LI '.
  • modified actual position values LI ' are formed from the actual position values LI directly detectable by the angular position sensor 6 in conjunction with stored correction values ⁇ L.
  • the modified actual position values LI 'are formed in accordance with the following relationship: LI ' LI + ⁇ L (LI).
  • the modified actual position values LI 'formed in accordance with the above-mentioned relationship are formed from the actual position values LI which can be obtained directly from the angular position sensor 6 and a correction variable ⁇ L (LI).
  • the correction variable ⁇ L (LI) can have a positive or negative sign, so that the actual position value LI currently supplied by the angular position encoder 6 is increased or decreased by a corresponding amount.
  • Fig. 2 shows in principle in the form of a characteristic curve (which is stored in an offset table) correction values ⁇ (LI) assigned to individual actual position values LI.
  • ⁇ correction value assigned to individual actual position values LI.
  • the characteristic curve according to FIG. 2 thus relates to the actual position value that can be read on the ordinate LI assigned correction value ⁇ L (LI).
  • the transition from 0 to 360 ° or Transition from 360 ° to 0 ° (beyond one turn) shows a steady transition Characteristic curve ⁇ L (LI).
  • FIG. 2 also shows that one stored in the offset table Characteristic curve can also be modified.
  • the solid characteristic curve represents one so-called output characteristic curve, indicated by the dashed line is that this can be modified according to predeterminable parameters. For example 2 is a modification of the output characteristic ⁇ L (LI) by multiplication with a predetermined factor.

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

Claims (6)

  1. Entraínement pour une machine d'impression, en particulier une machine d'impression offset à feuilles, dans lequel un ou plusieurs cylindres peuvent être entraínés individuellement et/ou par groupe, par à chaque fois un moteur comprenant un régulateur d'entraínement associé en liaison avec des signaux d'un émetteur de position angulaire, conformément à des valeurs de position prescrites prédéfinies,
    caractérisé en ce que l'on monte, entre l'émetteur de position angulaire (6) et le régulateur d'entraínement (3), un dispositif de correction (7) transformant les valeurs effectives de position (LI) de l'émetteur de position angulaire (6) dans des valeurs effectives de position (LI') modifiées, et en ce que l'on réalise, par l'intermédiaire du régulateur d'entraínement (3), un réglage de la position du cylindre (1) en liaison avec les valeurs effectives de position (LI') modifiées.
  2. Entraínement selon la revendication 1, caractérisé en ce que le dispositif de correction (7) est réalisé sous a forme d'un dispositif de stockage, qui comporte des valeurs effectives de position (LI') modifiées, associées aux valeurs effectives de position (LI) actuelles et susceptibles d'être fournies au régulateur d'entraínement (3).
  3. Entraínement selon la revendication 1,
    caractérisé en ce que le dispositif de correction (7) est réalisé sous la forme d'un dispositif de calcul, par lequel on peut calculer des valeurs effectives de position (LI') modifiées à partir des valeurs effectives de position (LI) actuelles et susceptibles d'être fournies au régulateur d'entraínement (3).
  4. Entraínement selon l'une des revendications 1, 2 et 3,
    caractérisé en ce que, par l'intermédiaire d'un dispositif d'entrée, les valeurs effectives de position (LI') modifiées, stockées ou calculables dans le dispositif de correction (7), peuvent être changées, et peuvent ensuite être fournies, en fonction des valeurs effectives de position (LI) correspondantes, au régulateur d'entraínement (3).
  5. Entraínement selon la revendication 4,
    caractérisé en ce que le changement des valeurs effectives de position (LI') modifiées susceptibles d'être prédéfinies par le dispositif de correction (7), est réalisé en fonction des conditions d'impression correspondantes.
  6. Entraínement selon l'une des revendications précédentes,
    caractérisé en ce que l'on peut fournir au dispositif de correction (7), en plus des valeurs effectives de position (LI) de l'émetteur de position angulaire (6), une valeur correspondant à la vitesse de rotation du système d'entraínement, et en ce que la modification des valeurs effectives de position (LI) est réalisée en fonction de cette vitesse de rotation.
EP97106049A 1996-06-11 1997-04-12 Entraínement pour une machine à imprimer Expired - Lifetime EP0812682B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19623223 1996-06-11
DE19623223A DE19623223C2 (de) 1996-06-11 1996-06-11 Antrieb für eine Druckmaschine

Publications (3)

Publication Number Publication Date
EP0812682A2 EP0812682A2 (fr) 1997-12-17
EP0812682A3 EP0812682A3 (fr) 1998-06-10
EP0812682B1 true EP0812682B1 (fr) 1999-09-29

Family

ID=7796603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106049A Expired - Lifetime EP0812682B1 (fr) 1996-06-11 1997-04-12 Entraínement pour une machine à imprimer

Country Status (5)

Country Link
US (1) US5924362A (fr)
EP (1) EP0812682B1 (fr)
JP (1) JPH1067098A (fr)
AT (1) ATE185108T1 (fr)
DE (2) DE19623223C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1759844B2 (fr) † 2005-09-02 2019-04-24 Bosch Rexroth Aktiengesellschaft Procédé pour corriger l'impression

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DE19754323A1 (de) * 1997-12-08 1999-06-10 Fischer & Krecke Gmbh & Co Druckmaschine
DE19803558A1 (de) * 1998-01-30 1999-08-12 Koenig & Bauer Ag Verfahren zur Ermittlung einer Winkellage eines ortsveränderbaren Zylinders einer Druckmaschine
DE19947230C2 (de) * 1999-10-01 2001-07-26 Koenig & Bauer Ag Verfahren zur Positionierung von Plattenzylindern einer Offsetrotations-Bogendruckmaschine
US6199481B1 (en) * 1999-11-04 2001-03-13 Shinohara Machinery Co., Ltd. Power feeder apparatus for rotary shaft in printing press
EP1116582A1 (fr) * 2000-01-13 2001-07-18 Fischer & Krecke Gmbh & Co. Procédé et dispositif d'entraínement d'un cylindre d'impression
DE10155033B4 (de) * 2000-11-30 2014-09-18 Heidelberger Druckmaschinen Ag Vorrichtung zur Synchronisation von Übergaben bogenförmigen Materials
US6705222B2 (en) * 2001-03-09 2004-03-16 Ward, Inc. Dual registration control system
DE10125609A1 (de) 2001-05-25 2002-12-05 Siemens Ag Regelungsverfahren zum Betrieb von einzeln angetriebenen rotierenden Maschinenelementen
DE10132807C5 (de) * 2001-07-06 2009-01-08 Siemens Ag Regelungsverfahren zum Betrieb von gekoppelten Antriebsachsen mit überlagerten Bewegungskomponenten
US6823792B2 (en) * 2001-07-26 2004-11-30 Heidelberger Druckmaschinen Ag Multi-motor drive and method for driving a printing press
DE10254118B4 (de) * 2001-12-12 2017-01-19 Heidelberger Druckmaschinen Ag Verfahren zum Antreiben einer drucktechnischen Maschine
DE10217707A1 (de) * 2002-04-17 2003-11-06 Heidelberger Druckmasch Ag Kompensation von Zylinderschwingungen in bedruckstoffverarbeitenden Maschinen
DE10243454C5 (de) * 2002-09-19 2009-10-08 Koenig & Bauer Aktiengesellschaft Antriebsvorrichtung einer Bearbeitungsmaschine
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DE102005042563A1 (de) * 2005-09-08 2007-03-15 Man Roland Druckmaschinen Ag Druckmaschine
DE102005042932A1 (de) * 2005-09-09 2007-03-22 Man Roland Druckmaschinen Ag Druckmaschine, insbesondere Rollendruckmaschine
DE102005048472A1 (de) 2005-10-07 2007-04-12 Bosch Rexroth Ag Rotationsdruckmaschine und Verfahren des Betriebs einer Rotationsdruckmaschine
DE102006054944A1 (de) * 2006-11-22 2008-05-29 Koenig & Bauer Aktiengesellschaft Verfahren zur Kompensation von Störmomenten in mindestens einem Druckwerk einer Rotationsdruckmaschine
US8620473B2 (en) 2007-06-13 2013-12-31 Intuitive Surgical Operations, Inc. Medical robotic system with coupled control modes
DE102008000184B4 (de) * 2008-01-30 2011-02-24 Koenig & Bauer Aktiengesellschaft Verfahren zur Verringerung bzw. Vermeidung von Abwickelfehlern an Rotationsdruckmaschinen
AT10301U3 (de) * 2008-09-01 2009-09-15 Avl List Gmbh Verfahren und regelanordnung zur regelung einer regelstrecke mit sich wiederholendem arbeitszyklus
DE102008053127B4 (de) * 2008-10-24 2015-04-02 Robert Bosch Gmbh Bereitstellungsvorrichtung und Verfahren zur Bereitstellung eines Verknüpfungssignals zur Steuerung einer Anlage
DE102010011577A1 (de) * 2009-03-25 2010-10-14 Heidelberger Druckmaschinen Ag Winkelabhängige Farbwertkorrektur
ITMI20111867A1 (it) 2011-10-13 2013-04-14 Gima Spa Procedimento per il comando e controllo del motore elettrico di un gruppo d'automazione e sistema connesso
DE102015215540A1 (de) 2014-09-18 2016-03-24 Koenig & Bauer Ag Verfahren zum Anpassen mindestens eines Druckbildes und/oder mindestens eines Zylinderaufzugs an eine Bedruckstoffänderung in einer Druckmaschine
DE102015215539A1 (de) 2014-09-18 2016-03-24 Koenig & Bauer Ag Vorrichtung zum Anpassen mindestens eines Zylinderaufzugs an eine Bedruckstoffänderung in einer Druckmaschine
DE102015204858A1 (de) 2015-03-18 2016-09-22 Koenig & Bauer Ag Verfahren zum Betreiben einer Druckmaschine und Druckmaschine hierzu
DE102017208513B4 (de) 2017-05-19 2019-05-02 Koenig & Bauer Ag Verfahren zum Betreiben einer bogenverarbeitenden Maschine
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Publication number Priority date Publication date Assignee Title
EP1759844B2 (fr) † 2005-09-02 2019-04-24 Bosch Rexroth Aktiengesellschaft Procédé pour corriger l'impression

Also Published As

Publication number Publication date
DE19623223A1 (de) 1997-12-18
DE19623223C2 (de) 2001-05-17
EP0812682A2 (fr) 1997-12-17
EP0812682A3 (fr) 1998-06-10
JPH1067098A (ja) 1998-03-10
ATE185108T1 (de) 1999-10-15
DE59700492D1 (de) 1999-11-04
US5924362A (en) 1999-07-20

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