EP0812682A2 - Entraînement pour une machine à imprimer - Google Patents

Entraînement pour une machine à imprimer Download PDF

Info

Publication number: EP0812682A2
Authority: EP; European Patent Office
Prior art keywords: actual position; drive; position values; cylinder; values
Prior art date: 1996-06-11
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

EP97106049A

Other languages

German (de)

English (en)

Other versions

EP0812682B1 (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.)

1996-06-11

Filing date

1997-04-12

Publication date

1997-12-17

Family has litigation

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(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1997-04-12 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1997-12-17 Publication of EP0812682A2 publication Critical patent/EP0812682A2/fr

1998-06-10 Publication of EP0812682A3 publication Critical patent/EP0812682A3/fr

1999-09-29 Application granted granted Critical

1999-09-29 Publication of EP0812682B1 publication Critical patent/EP0812682B1/fr

2017-04-12 Anticipated expiration legal-status Critical

Status 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 plate cylinder is usually mounted in the circumferential and / or side register direction (in the axial direction of the cylinder) so as to be adjustable with respect to the frame walls carrying it and also adjustable with respect to the gearwheel carrying it. Since, in the case of the helical toothed gears used, a displacement of the plate cylinder gear relative to the gear of the rubber blanket cylinder driving it simultaneously causes this plate cylinder gear to rotate, additional correction devices must be provided here.
a drive for the cylinders of an offset printing unit is known from JP-A-56-21860, the plate, the blanket and the impression cylinder each having a single motor. These single drives receive a common signal specification (electronic master axis) in order to achieve angular synchronism and follow these signal specifications.
the individual cylinders of such an offset printing unit have to be driven with maximum accuracy with respect to one another in an angle-synchronous manner, which necessitates appropriate measures for suppressing or compensating for disturbance variables.
a drive for a printing press with several printing units is known, in which the individual printing units or printing unit groups are mechanically decoupled from one another, with each printing unit or each printing unit group being assigned a drive motor and with each printing unit or each Printing unit group is arranged a device for determining speed and / or angle of rotation.
angle controllers are provided which dimension a permissible rotation angle deviation of the individual printing units or printing unit groups from a predetermined angle setpoint such that the rotation angle deviation is minimal, at least in the rotation angle position at which the sheet transfer takes place.
the device according to DE 4 137 979 A1 places the highest demands on 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. Even the slightest misalignment of the encoder or the rotor of this encoder with respect to the rotating part (cylinder) coupled to it thus causes a systematic and periodically repeating deviation of the actual angular value from the angular value supplied by the encoder. It should also be taken into account with this device that strong and periodically repeating load fluctuations occur especially in the cylinders in printing units of sheet-fed offset printing presses, which are caused in particular by the rolling of the channels of these printing unit cylinders against one another.
DE 4 214 394 A1 discloses a rotary printing press in the form of a web-fed rotary printing press which has a number of individually driven cylinders with at least one separately driven folder.
the individual drives of the cylinders and their drive controllers are combined into pressure point groups and obtain a position reference from the folder.
the administration of the pressure point groups is done by a superordinate control system (electronic longitudinal shaft). Since this is a drive system for a web-fed rotary printing press, the synchronization problems specific to sheet-fed offset printing presses are not addressed in this prior art or are not covered by the solution proposed therein. It should also be noted that there is no risk of a so-called mechanical gripper collision in rotary roller printing machines.
the cylinders (plate, blanket, impression cylinders) in the printing unit of a web offset printing press only have very narrow cylinder gaps, so that the torque fluctuations that occur very markedly in sheet-fed offset printing presses do not occur when the printing unit cylinders roll off against each other and accordingly only cause very little disruptive effects.
the object of the present invention is therefore to extend a drive according to the preamble of claim 1 such that, while avoiding the disadvantages mentioned above and taking into account the aspects explained, a high and flexibly adaptable to the present pressure conditions synchronism accuracy of individually driven cylinders or cylinder groups is achievable.
a correction device is assigned to the drive controller, which controls the motor coupled to the printing unit cylinder according to a predetermined position setpoint via an assigned power unit, for detecting the actual position values supplied by an angular position encoder, by means of which the angle position encoder ( Position of the cylinder) supplied actual position values can be changed into predefined, stored values or values which can be calculated depending on the actual position values.
the correction device is a storage device in which the actual position values that can be read in directly via the angular position encoder are assigned in tabular form to correspondingly modified actual position values, which are then forwarded directly to the drive controller for position control.
This drive controller then performs the position control of the cylinder or motor by forming appropriate ones Control signals to the power section in connection with the position setpoints, for example, specified by a higher-level control.
the drive controller therefore carries out the target / actual comparison on the basis of the actual position values modified in accordance with the correction device in conjunction with a predetermined nominal position value and forms the necessary control signals, from which the power section (electronic drive) then supplies the corresponding current to the cylinder which is directly coupled to the cylinder Motors makes.
the correction device is designed as a computing device by means of which the actual position values formed by the angular position encoder are modified over the entire angular range or in sections by certain factors. For example, it can be provided that within certain angular position ranges the actual position values read directly via the angular position encoder are increased or decreased by multiplication by a correspondingly stored factor.
the correction device provided according to the invention which is connected downstream of the angular position encoder and upstream of the drive controller, is a storage device or a computing device, it is possible, for example, to determine during installation of the system (attachment of the angular position encoder to the corresponding cylinder) determine systematic deviations in position and make appropriate corrections to compensate for these errors.
runout deviations caused by inaccuracies are to be mentioned or the resulting position errors if the rotor of the angular position encoder is not exactly coaxial with the axis of the cylinder (eg wobble movements).
the correction device provided according to the invention can also be used to detect and compensate for systematic angular position deviations caused by the measuring principle of the angular position encoder.
the correction device can additionally supply the correction device with a signal (speed signal) corresponding to the movement speed of the cylinder, in order to supply different correction values to the position controller (drive controller) in accordance with the actual position values read in accordance with the rotation speed of the cylinder.
a signal speed signal
the position controller drive controller
a correction device for example containing an offset table, is provided for modifying the actual position values supplied by the angular position encoder.
the resolution of the angular position encoder i.e. the increment with which the actual position values can be taken from it
one-way reproducible path deviations can be specified, which means that the cylinder driven by the drive controller together with the motor during a revolution in a predetermined manner compared to the one interacting with it Cylinder leads or lags.
angle correction values stored in the offset table of the correction device is such that there is a homogeneous or continuous concentricity, that is to say a modification with the same correction value is carried out after each full rotation.
Print-specific corrections can also be made by the invention.
the so-called pressure length compensation was addressed, which takes place in conventionally driven cylinders by placing correspondingly strong washers under the printing plate and / or the rubber blanket.
an offset printing unit with a blanket cylinder and / or plate cylinder individually driven according to the invention, it is possible to store the plate cylinder by storing corresponding angular position correction values in the correction device provided according to the invention (offset table) to be driven in such a way with respect to the blanket cylinder so that exactly the effect which otherwise arises through the use of different thickness of the supporting sheet is obtained.
the plate cylinder While the pressure zones of the two cylinders correspond to each other (roll against each other), the plate cylinder, for example, has a leading or trailing effect compared to the blanket cylinder, so that the resulting slip causes the printed image transferred to the rubber blanket cylinder to be printed correspondingly longer or shorter.
the correction values stored in the offset table of the correction device provided in accordance with the invention are coordinated with one another in such a way that the leading or trailing of the interacting cylinders (blanket cylinder / plate cylinder) is canceled again during the channel correspondence, the leading or trailing cylinder, for example, at the nominal start of pressure returns to the same starting position.
advantages can also be achieved in the assembly / production of the drive system according to the invention.
an angle measuring system of lower quality can be used, which results from the correction option indicated above and in particular taking into account the printing speed (speed).
the inaccuracies of a gearbox connected between the cylinder and the drive motor driving it can also be compensated for by the correction device provided according to the invention.
a complex fine adjustment of the measuring system angular position encoder
a correction function is made using a comparison measurement of the encoder with a high-precision position encoder used during assembly, which causes a compensation via the provided offset table and the control.
Fig. 1 shows in principle the components for an individual drive of a cylinder 1 in the printing unit, not shown, of a sheet-fed offset printing press.
the cylinder 1 can be a plate cylinder, a blanket cylinder or an impression cylinder.
the cylinder 1 is directly coupled to a motor 2 and can be driven by it.
the cylinder 1 also has an angular position sensor 6, which is rotatably coupled to it, in the form of an absolute angle sensor, from which signals corresponding to the angular position of the cylinder 1 can be derived.
a drive controller 3 designed as an electronic control device is in signal connection with a power unit (converter) 4 for energizing the motor 2.
the motor 2 which is designed as a brushless DC motor, is connected to a commutation transmitter 5 for forming commutation signals and energizing the motor 2 in the correct position by the power section 4.
Setpoint values LS are supplied to the drive controller 3 via an indicated signal line from a higher-level control device (not shown).
the actual position values (angle signals) LI which can be detected via the angular position sensor 6 of the cylinder 1 are fed to a correction device 7 designed as a memory or computer device, by means of which the actual position values LI which can be obtained directly from the position sensor 6 are converted into modified actual position values LI ' .
modified actual position values LI ' are formed from the actual position values LI which can be detected directly 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 according to 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 the correction values ⁇ (LI) assigned to the individual actual position values LI (stored in an offset table).
⁇ (LI) the correction values assigned to the individual actual position values LI (stored in an offset table).
the characteristic curve according to FIG. 2 thus represents a reference to the correction value ⁇ L (LI) which can be read off the ordinate and is assigned to the respective actual position value LI.
the transition from 0 to 360 ° or the transition from 360 ° to 0 ° (via one turn) has a continuous transition of the characteristic curve ⁇ L (LI). 2 also shows that a characteristic curve stored in the offset table can also be modified.
the solid characteristic curve represents a so-called output characteristic curve, the characteristic curve shown in broken lines indicating that it can be modified in accordance with predeterminable parameters.
the output characteristic ⁇ L (LI) has been modified by multiplication by a predetermined factor.

Landscapes

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

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 true EP0812682A2 (fr)	1997-12-17
EP0812682A3 EP0812682A3 (fr)	1998-06-10
EP0812682B1 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 (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2010023228A3 (fr) *	2008-09-01	2010-10-07	Avl List Gmbh	Procédé et dispositif de réglage d'un système asservi à cycle de travail répétitif
US8620473B2 (en)	2007-06-13	2013-12-31	Intuitive Surgical Operations, Inc.	Medical robotic system with coupled control modes
DE102017208513A1 (de)	2017-05-19	2018-11-22	Koenig & Bauer Ag	Verfahren zum Betreiben einer bogenverarbeitenden Maschine
EP3267273B1 (fr)	2011-10-13	2022-08-03	I.M.A. Industria Macchine Automatiche S.p.A.	Procédé permettant de commander et de contrôler le moteur électrique d'un système connecté et unité d'automatisation

Families Citing this family (28)

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DE19820160A1 (de) *	1997-10-07	1999-04-08	Heidelberger Druckmasch Ag	Drehwinkelmessung für Druckmaschinen
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
DE10317570B3 (de) *	2003-04-16	2004-09-16	Koenig & Bauer Ag	Antriebsvorrichtung eines Aggregates einer Druckmaschine
DE102004051633A1 (de) *	2004-10-23	2006-05-18	Man Roland Druckmaschinen Ag	Verfahren zur Schnittregisterregelung bei einer Rollenrotationsdruckmaschine
DE102005041651A1 (de) †	2005-09-02	2007-03-22	Bosch Rexroth Aktiengesellschaft	Verfahren zur Druckkorrektur
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
DE102008000184B4 (de) *	2008-01-30	2011-02-24	Koenig & Bauer Aktiengesellschaft	Verfahren zur Verringerung bzw. Vermeidung von Abwickelfehlern an Rotationsdruckmaschinen
DE102008053127B4 (de) *	2008-10-24	2015-04-02	Robert Bosch Gmbh	Bereitstellungsvorrichtung und Verfahren zur Bereitstellung eines Verknüpfungssignals zur Steuerung einer Anlage
DE102010011577B4 (de) *	2009-03-25	2025-12-04	Heidelberger Druckmaschinen Ag	Winkelabhängige Farbwertkorrektur
DE102015215538A1 (de)	2014-09-18	2016-03-24	Koenig & Bauer Ag	Vorrichtung zum Anpassen mindestens eines Zylinderaufzugs an eine Bedruckstoffänderung in einer Druckmaschine
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
DE102015204858A1 (de)	2015-03-18	2016-09-22	Koenig & Bauer Ag	Verfahren zum Betreiben einer Druckmaschine und Druckmaschine hierzu
EP3495133B1 (fr) *	2017-09-27	2021-06-23	Mitsubishi Heavy Industries Machinery Systems, Ltd.	Machine de fabrication de boîte et procédé de réglage d'une position de traitement d'une feuille de carton ondulé

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JPS5621860A (en) *	1979-07-30	1981-02-28	Ryobi Ltd	Cylinder driving device of offset printing machine
DE4137979B4 (de) *	1991-11-19	2004-05-06	Heidelberger Druckmaschinen Ag	Antrieb für eine Druckmaschine mit mindestens zwei mechanisch voneinander entkoppelten Druckwerken
US5481971A (en) *	1991-11-19	1996-01-09	Heidelberger Druckmaschinen Ag	Drive for a printing press with a plurality of printing units
DE4214394C2 (de) *	1992-04-30	1998-08-20	Asea Brown Boveri	Antriebsvorrichtung für eine längswellenlose Rotationsdruckmaschine
DE4215227C2 (de) *	1992-05-09	1996-07-04	Kba Planeta Ag	Verfahren und Einrichtung zum Positionieren eines Druckwerkzylinders von Druckmaschinen
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DE4322744C2 (de) *	1993-07-08	1998-08-27	Baumueller Nuernberg Gmbh	Elektrisches Antriebssystem und Positionierverfahren zur synchronen Verstellung mehrerer dreh- und/oder verschwenkbarer Funktionsteile in Geräten und Maschinen, Antriebsanordnung mit einem Winkellagegeber und Druckmaschine
EP0930159B1 (fr) *	1993-12-29	2001-04-11	Maschinenfabrik Wifag	Machine rotative d'impression
DE4427733C1 (de) *	1994-08-05	1995-10-12	Ruhlatec Industrieprodukte	Druckwalzenantrieb
US5615609A (en) *	1995-08-21	1997-04-01	The Lawrence Paper Company	System and method for controlling AC motor driven multi-unit printing press

1996
- 1996-06-11 DE DE19623223A patent/DE19623223C2/de not_active Expired - Fee Related
1997
- 1997-04-12 DE DE59700492T patent/DE59700492D1/de not_active Expired - Lifetime
- 1997-04-12 EP EP97106049A patent/EP0812682B1/fr not_active Expired - Lifetime
- 1997-04-12 AT AT97106049T patent/ATE185108T1/de active
- 1997-06-11 JP JP9153255A patent/JPH1067098A/ja active Pending
- 1997-06-11 US US08/872,847 patent/US5924362A/en not_active Expired - Lifetime

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8620473B2 (en)	2007-06-13	2013-12-31	Intuitive Surgical Operations, Inc.	Medical robotic system with coupled control modes
WO2010023228A3 (fr) *	2008-09-01	2010-10-07	Avl List Gmbh	Procédé et dispositif de réglage d'un système asservi à cycle de travail répétitif
CN102138109B (zh) *	2008-09-01	2013-06-05	Avl里斯脱有限公司	控制具有重复工作周期的控制对象的方法和控制装置
US9134712B2 (en)	2008-09-01	2015-09-15	Avl List Gmbh	Method and control arrangement for controlling a controlled system with a repeating working cycle
EP3267273B1 (fr)	2011-10-13	2022-08-03	I.M.A. Industria Macchine Automatiche S.p.A.	Procédé permettant de commander et de contrôler le moteur électrique d'un système connecté et unité d'automatisation
DE102017208513A1 (de)	2017-05-19	2018-11-22	Koenig & Bauer Ag	Verfahren zum Betreiben einer bogenverarbeitenden Maschine
DE102017208513B4 (de)	2017-05-19	2019-05-02	Koenig & Bauer Ag	Verfahren zum Betreiben einer bogenverarbeitenden Maschine

Also Published As

Publication number	Publication date
DE19623223C2 (de)	2001-05-17
DE19623223A1 (de)	1997-12-18
DE59700492D1 (de)	1999-11-04
JPH1067098A (ja)	1998-03-10
EP0812682B1 (fr)	1999-09-29
ATE185108T1 (de)	1999-10-15
US5924362A (en)	1999-07-20
EP0812682A3 (fr)	1998-06-10

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