EP0747216A2 - Dispositif de commande pour une machine à imprimer - Google Patents

Dispositif de commande pour une machine à imprimer Download PDF

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Publication number
EP0747216A2
EP0747216A2 EP96107754A EP96107754A EP0747216A2 EP 0747216 A2 EP0747216 A2 EP 0747216A2 EP 96107754 A EP96107754 A EP 96107754A EP 96107754 A EP96107754 A EP 96107754A EP 0747216 A2 EP0747216 A2 EP 0747216A2
Authority
EP
European Patent Office
Prior art keywords
bus
control
printing
printing press
angle
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
EP96107754A
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German (de)
English (en)
Other versions
EP0747216A3 (fr
EP0747216B1 (fr
Inventor
Johannes Tenfelde
Michael Dotzert
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
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Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0747216A2 publication Critical patent/EP0747216A2/fr
Publication of EP0747216A3 publication Critical patent/EP0747216A3/fr
Application granted granted Critical
Publication of EP0747216B1 publication Critical patent/EP0747216B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0009—Central control units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/36—Means for registering or alignment of print plates on print press structure

Definitions

  • the invention relates to a controller for a printing press, in particular a sheet-fed offset printing press according to the preamble of claim 1.
  • Sheet-fed offset printing presses of the type which are widely used today generally have so-called central controls, which are constructed in particular in the form of a PLC or PC board control. It is also known to divide the control of the printing press functionally.
  • a computer can be provided which permanently reads the switching states or signals from actuators, control buttons or sensors and controls a second computer in particular the main drive and the switching operations of the printing press related to the angle of rotation of moving machine parts.
  • rotation-dependent switching functions the printing on / printing off, the switching on and off of ink and dampening rollers, the blocking of the sheet inlet, the switching of the feeder and the switching of certain functions in the delivery are examples.
  • These switching operations are time-critical, i.e. in particular, the positioning of the inked blanket cylinder on the sheet-bearing impression cylinder may only follow the cylinder during channel correspondence, that is, when the first sheet to be printed is already on the impression cylinder.
  • a disadvantage of such a centrally constructed control system which implements a sequential circuit is that the program structure in the computer of the control system must be geared precisely to the configuration of the machine.
  • a sheetfed press with a different number of printing units therefore requires different programming of the corresponding control. This fact is complicated considerably by the fact that there is now a clear trend towards so-called in-line finishing or further processing.
  • sheetfed offset presses there are often one or more after the last printing unit and before the delivery Painting facilities or other coating plants interposed. Since switching operations dependent on the angle of rotation position must also be carried out in these devices, this function must also be taken over by the central control.
  • a central control of the type briefly outlined above is known from DE 3 815 534 A1, which has a system for detecting the position of moving machine parts. For this purpose, the signals of an incremental encoder attached to a single-rotating shaft of the machine are evaluated. This system not only evaluates the square-wave signals of the incremental encoder, which are phase-shifted by 90 °, but also also the so-called zero pulses, which occur each time a full, single-revolution machine revolution.
  • a central control with such a system has the aforementioned disadvantages.
  • a so-called absolute angle encoder can also be used to record the position of moving machine parts. However, this does not change the complexity of the control that arises when a printing press is individually equipped with a different number of units.
  • a control for rotary printing presses is known from EP 0 543 281 A1, in which a computer representing the control is assigned to each system part and these computers are connected to one another in the individual system parts for the purpose of signal exchange via a bus system called a network.
  • ARCNET using coax cables is proposed as the networking interface between the individual computers.
  • this document does not describe how individual switching operations dependent on the angle of rotation are to be carried out.
  • the object of the present invention is therefore to expand a control according to the preamble of claim 1 in such a way that the disadvantages described above can be avoided and a high degree of flexibility with regard to the equipment of the machine can be achieved.
  • a further bus is provided, via which the signals of the angular position of an angle transmitter can be transmitted, this angle transmitter being attached to a single-part rotating machine part of the printing press.
  • This bus system which transmits angular position values, provides each individual station with information about the current angular value.
  • Target angular position values are stored in the individual stations in accordance with the events which can be transmitted via the bus, so that the individual stations can trigger the intended switching operations in the assigned units.
  • here is the logical switching off of pressure in the case of a missed / skewed sheet and the coupling of the feeder.
  • a so-called incremental angle encoder is arranged in a unit of the printing press on a single-speed rotating machine part.
  • the bus system provided according to the invention comprises a number of lines via which the individual incremental signals which are phase-shifted with respect to one another are sent.
  • the bus system according to the invention also has a further line via which a so-called zero pulse is sent after each full machine revolution.
  • Such a bus system ensures that switching operations can also be resolved in the individual stations, which are only to be carried out after a certain number of single-revolution machine revolutions, starting from the determined event.
  • the corresponding switching on and off of the printing unit cylinders corresponding to the paper run should be mentioned.
  • a so-called absolute angle encoder is attached to a single-rotating machine part, from which the digital values corresponding to the angular position can be taken in parallel or in series.
  • the bus system provided according to the invention is then designed as a parallel or serial bus system adapted to the resolution of the absolute angle encoder.
  • the zero pulse that can be supplied by the incremental or absolute angle encoder can be used to determine integer machine revolutions.
  • incremental or absolute angle encoders it is also possible to define integer machine revolutions by summing the angular pulses or by a predetermined angular value of the absolute encoder.
  • a single-component rotating machine component of the printing press is to be understood in particular to mean the plate cylinder, the blanket cylinder, the simply large impression cylinder or, for example, a single-drum feed drum.
  • the bus which is present in addition to the bus system transmitting the angle values, is designed as an event-controlled, message-oriented communication system, that is to say as a bus system with a message-oriented protocol.
  • the CAN bus (controller - area - network) is preferably used here.
  • Such a bus makes it possible for a station which detects a specific event by sensors or other control means to transmit a message of this event via this CAN bus, and the stations then trigger the intended angle-dependent switching processes in the assigned units.
  • the detection of a missing sheet / inclined sheet in the system of the first printing unit or a sheet loss between the second and third printing units may be mentioned.
  • the station assigned to the respective unit and determining the event now sends the message "missed sheet” or “skewed sheet” or "sheet loss between DW 2 and DW 3" to the other stations via the bus system.
  • the station assigned to the first printing unit now triggers the angle-dependent processes in the first printing unit (e.g. print down).
  • Fig. 1 With 1 to 5 individual units of a sheet-fed offset printing machine are indicated, unit 1 being the feeder, units 2 and 3 offset printing units, unit 4 being a coating unit and unit 5 being a delivery unit.
  • the individual units 1 to 5 are each assigned at least one computer 1 'to 5', which trigger the switching functions in the individual units 1 to 5 via interfaces and actuating means, not shown.
  • the station 1 'thus takes over all switching functions for the unit 1 representing the investor. In particular, the phase-correct switching on and off of the investor should be mentioned.
  • Stations 2 ', 3' and 4 'in the printing or coating units of units 2 to 4 take over the corresponding starting and stopping processes of the cylinders arranged there.
  • the station 5 takes over in the unit 5 representing the delivery of the sheet-fed printing press all switching operations relevant for the delivery, in particular the switching of means for an automated stack change or a sample sheet removal which is coordinated with the sheet travel, ie also for a certain angular position.
  • the station 2 'in the unit 2 representing the first printing unit is also connected to sensors for the sheet arrival at the system - only one sheet control 9 is shown here.
  • the station 2 'of the unit 2 of the sheetfed offset printing machine which represents the first printing unit has an angle transmitter 7 which is attached to a single-speed shaft and which is connected on the one hand directly to the station 2' and on the other hand via a transmitter which is explained further below and transmits the angle values of this transmitter Bus 8 is connected to the other stations 1 ', 3', 4 'and 5'.
  • Each of the stations 1 'to 5' has corresponding devices designed as an interface, by means of which the signals from the angle transmitter 7 can be continuously detected and read.
  • a missed sheet is understood to mean a sheet missing on the system when the machine is running.
  • the blanket cylinders in the individual printing units are switched off from the impression cylinders in order to prevent the impression cylinders from inking.
  • the cylinder in the coating unit (unit 4) that applies the paint must also be switched off.
  • the described shutdown processes have to be carried out in accordance with the sheet travel, so that the sheets that are still correctly entering the machine are printed out.
  • the station 2 'of the unit 2 which represents the first printing unit is connected to a sheet control 9 and continuously evaluates the signal of this sheet control 9. At a certain point in time, station 2 'detects the absence of the sheet, that is to say a missing sheet. Angle values are stored in a memory of the station 2 'designed as a computer, which correspond to those values at which the printing unit cylinders have to be switched off in the unit 2. The station 2 'now effects the locking of the system, the pre-gripper and then the blanket cylinder from the impression cylinder and the parking relative to the plate cylinder in the first printing unit at the corresponding predetermined angle values.
  • station 2' During the time at which the missed sheet was detected by station 2 ', station 2' outputs a signal corresponding to the "missed sheet in the first printing unit” event on bus 6.
  • station 1 ', 3', 4 'and 5' are also stored angle values at which switching measures to be carried out in these units 1, 3, 4, 5 are to be carried out.
  • station 1 After station 1 has received the "Missing sheet in the first printing unit” event via bus 6, station 1 'switches off the feeder. After a number of revolutions corresponding to the sheet travel, the stations 3 ', 4', 5 ', which also receive the message "Missing sheet in the first printing unit", initiate printing shutdown for the stored angle values provided. For this purpose, stations 1 'to 5' evaluate both the angle signals within one revolution and the total number of revolutions.
  • the printing shutdown in the case of a missing sheet has been described.
  • the other switching operations in the individual units 1 to 5 are also initiated. It is essential here that the individual stations 1 'to 5' permanently read in the angular position values of the angle transmitter 7 and via the message bus a message corresponding to the event is sent from one of the stations 1 'to 5' to the other stations 1 'to 5' and each of the stations 1 'to 5' independently carries out the required switching operations in the associated units 1 to 5 by comparing the detected current with the correspondingly stored angle values.
  • Another advantage of the permanent detection and evaluation of the angular position signals in the individual stations 1 'to 5' is that the individual stations 1 'to 5' also have angle-dependent switching functions in the associated units, regardless of the presence or reception of a message / event can execute. Examples include the control of the pendulum movement of a lifting roller, the gradual driving of a duct roller, the powder coordinated with the sheet travel by means of electronically controllable drives or other devices during the normal printing process.
  • a decentralized control system constructed in this way according to the invention is very advantageous in the case of so-called time-critical functions.
  • Fig. 2 shows an embodiment of the invention, wherein the angle encoder 7 is designed as a so-called incremental encoder.
  • the angle encoder 7 first printing unit of the sheet-fed offset printing unit 2 attached single-speed.
  • station 2 'of unit 2 is fed the incremental signals of track A and B, each phase-shifted by 90 ° relative to one another, and a so-called zero pulse on track N.
  • the bus provided according to the invention for transmitting the angular position values to the other stations 1 ', 3', 4 ', 5' also has three lines so that the incremental signals of tracks A and B as well as the single-speed zero pulses N can also be transmitted here.
  • FIG. 3 shows a further exemplary embodiment of the invention, an angle encoder 7 being used here, which is designed as a so-called absolute angle encoder.
  • this angle transmitter 7 forwards the angle values to the stations 1 'to 5' via the bus 8 designed as a parallel bus system.
  • the bus 8 according to the invention for transmitting the angular position to the individual stations 1 'to 5' has a number of lines corresponding to the resolving power of the angle transmitter 7, it being possible for a so-called zero pulse to be transmitted on a further line from which the individual stations 1 '- 5' can derive the number of single-revolution revolutions of the printing press.
  • the angle transmitter 7 is also attached to the unit 2 which represents the first printing unit of the sheet-fed offset printing press.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Small-Scale Networks (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
EP96107754A 1995-06-08 1996-05-15 Dispositif de commande pour une machine à imprimer Expired - Lifetime EP0747216B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19520919A DE19520919C2 (de) 1995-06-08 1995-06-08 Steuerung für eine Druckmaschine
DE19520919 1995-06-08

Publications (3)

Publication Number Publication Date
EP0747216A2 true EP0747216A2 (fr) 1996-12-11
EP0747216A3 EP0747216A3 (fr) 1997-05-28
EP0747216B1 EP0747216B1 (fr) 1998-09-02

Family

ID=7763917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96107754A Expired - Lifetime EP0747216B1 (fr) 1995-06-08 1996-05-15 Dispositif de commande pour une machine à imprimer

Country Status (5)

Country Link
US (1) US5873307A (fr)
EP (1) EP0747216B1 (fr)
JP (1) JP2930191B2 (fr)
AT (1) ATE170460T1 (fr)
DE (2) DE19520919C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1211070A2 (fr) 2000-11-29 2002-06-05 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé pour synchroniser des opérations se déroulant dans plusieurs unités

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806141A1 (de) * 1998-02-14 1999-08-19 Roland Man Druckmasch Steuerung für eine Druckmaschine
JP3431894B2 (ja) * 2000-09-22 2003-07-28 株式会社東京機械製作所 印刷画像情報に基づいて制御対象を選択する輪転機の同期制御装置
US6705222B2 (en) * 2001-03-09 2004-03-16 Ward, Inc. Dual registration control system
DE10208791C5 (de) * 2001-03-12 2014-12-11 Heidelberger Druckmaschinen Ag Druckmaschinenantriebssystem
DE10121322B4 (de) * 2001-05-02 2017-11-23 Siemens Aktiengesellschaft Datenübertragungssystem mit verteiler Leitfunktionalität
DE10122906C1 (de) * 2001-05-11 2003-01-09 Siemens Ag Verfahren zur Fehlerbehandlung und Schadensverhütung an Werkzeug- und Produktionsmaschinen, sowie Robotern
US7040820B2 (en) * 2001-09-12 2006-05-09 Xerox Corporation Print line segmentation
DE10311284B4 (de) * 2003-03-14 2005-11-24 Koenig & Bauer Ag Druckmaschine mit zumindest zwei Druckwerken
US6786149B1 (en) * 2003-04-01 2004-09-07 Xerox Corporation High speed continuous feed printing system
DE10317803B4 (de) * 2003-04-16 2015-01-15 Anton Rodi Messwertverarbeitung von Winkel- und Wegmesssystemen
DE10318209A1 (de) * 2003-04-22 2004-11-25 Siemens Ag Druckmaschine bzw. Verfahren zum Betrieb einer Druckmaschine
AT413868B (de) * 2004-02-17 2006-06-15 Mondl Fritz Strom-boje
DE102005048472A1 (de) * 2005-10-07 2007-04-12 Bosch Rexroth Ag Rotationsdruckmaschine und Verfahren des Betriebs einer Rotationsdruckmaschine

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DE3406924A1 (de) * 1983-06-23 1985-01-10 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Takterzeugungseinrichtung fuer druckmaschinen
EP0160167A1 (fr) * 1984-02-21 1985-11-06 Didde Graphic Systems Corporation Procédé et appareil de commande électronique distribuée d'une presse à imprimer
DE3730625A1 (de) * 1987-09-11 1989-03-23 Wifag Maschf Positioniersystem der qualitaetsfuehrungsfunktionen in rotationsdruckmaschinen
DE3836310A1 (de) * 1988-10-25 1990-04-26 Heidelberger Druckmasch Ag Verfahren und anordnung zur steuerung von schaltvorgaengen an einer druckmaschine
EP0543281A1 (fr) * 1991-11-21 1993-05-26 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Commande pour machines d'impression rotatives
DE4214394A1 (de) * 1992-04-30 1993-11-04 Asea Brown Boveri Rotationsdruckmaschine
DE4229645A1 (de) * 1992-09-04 1994-03-10 Heidelberger Druckmasch Ag Verfahren zur selbstätigen Steuerung oder Regelung des zeitlichen Ablaufes von Betriebvorgängen einer Druckmaschine

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DE3407790A1 (de) * 1983-06-23 1985-01-03 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Takterzeugungseinrichtung fuer druckmaschinen
DE3406969A1 (de) * 1983-06-23 1985-01-10 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Takterzeugungseinrichtung fuer druckmaschinen
US4621256A (en) * 1983-07-15 1986-11-04 Lockheed Missiles & Space Company, Inc. Apparatus for measuring rate of angular displacement
DE3342662A1 (de) * 1983-11-25 1985-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung an einer druckmaschine, bestehend aus einem platten- und/oder gummizylinder
JPS62177646A (ja) * 1986-01-30 1987-08-04 Nec Corp メツセ−ジプロトコル変換方式
DE3614979C3 (de) * 1986-05-02 1999-12-16 Heidelberger Druckmasch Ag Sicherheitssystem für eine Druckmaschine
DE3815534A1 (de) * 1988-05-06 1989-11-16 Heidelberger Druckmasch Ag System zur erfassung der position von beweglichen maschinenteilen
DE3839248A1 (de) * 1988-11-21 1990-05-23 Roland Man Druckmasch Dezentraler steuerrechner, insbesondere innerhalb einer rotationsdruckmaschine, der ueber einen bus mit mehreren peripheren einheiten verbunden ist
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Publication number Priority date Publication date Assignee Title
DE3406924A1 (de) * 1983-06-23 1985-01-10 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Takterzeugungseinrichtung fuer druckmaschinen
EP0160167A1 (fr) * 1984-02-21 1985-11-06 Didde Graphic Systems Corporation Procédé et appareil de commande électronique distribuée d'une presse à imprimer
DE3730625A1 (de) * 1987-09-11 1989-03-23 Wifag Maschf Positioniersystem der qualitaetsfuehrungsfunktionen in rotationsdruckmaschinen
DE3836310A1 (de) * 1988-10-25 1990-04-26 Heidelberger Druckmasch Ag Verfahren und anordnung zur steuerung von schaltvorgaengen an einer druckmaschine
EP0543281A1 (fr) * 1991-11-21 1993-05-26 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Commande pour machines d'impression rotatives
DE4214394A1 (de) * 1992-04-30 1993-11-04 Asea Brown Boveri Rotationsdruckmaschine
DE4229645A1 (de) * 1992-09-04 1994-03-10 Heidelberger Druckmasch Ag Verfahren zur selbstätigen Steuerung oder Regelung des zeitlichen Ablaufes von Betriebvorgängen einer Druckmaschine

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FLAMENT D: "L'INFORMATISATION DE LA PRESSE" 29.Januar 1991 , CARACTERE, VOL. 42, NR. 300, PAGE(S) 30 - 33 XP000176973 * Abbildung 3 * *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1211070A2 (fr) 2000-11-29 2002-06-05 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé pour synchroniser des opérations se déroulant dans plusieurs unités
EP1211070A3 (fr) * 2000-11-29 2003-08-27 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif et procédé pour synchroniser des opérations se déroulant dans plusieurs unités
CZ303068B6 (cs) * 2000-11-29 2012-03-21 Heidelberger Druckmaschinen Ag Zarízení pro synchronizaci procesu, probíhajících na více jednotkách a zpusob této synchronizace

Also Published As

Publication number Publication date
EP0747216A3 (fr) 1997-05-28
DE19520919A1 (de) 1996-12-12
EP0747216B1 (fr) 1998-09-02
US5873307A (en) 1999-02-23
DE19520919C2 (de) 1998-02-26
JPH08336956A (ja) 1996-12-24
JP2930191B2 (ja) 1999-08-03
ATE170460T1 (de) 1998-09-15
DE59600500D1 (de) 1998-10-08

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