EP1615774A1 - Presse et procede pour faire fonctionner une presse - Google Patents

Presse et procede pour faire fonctionner une presse

Info

Publication number
EP1615774A1
EP1615774A1 EP04722573A EP04722573A EP1615774A1 EP 1615774 A1 EP1615774 A1 EP 1615774A1 EP 04722573 A EP04722573 A EP 04722573A EP 04722573 A EP04722573 A EP 04722573A EP 1615774 A1 EP1615774 A1 EP 1615774A1
Authority
EP
European Patent Office
Prior art keywords
measuring device
control unit
register
printing
unit
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
EP04722573A
Other languages
German (de)
English (en)
Other versions
EP1615774B1 (fr
Inventor
Werner Agne
Jochen Schlinkert
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.)
Siemens AG
Original Assignee
Siemens 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33304875&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1615774(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1615774A1 publication Critical patent/EP1615774A1/fr
Application granted granted Critical
Publication of EP1615774B1 publication Critical patent/EP1615774B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • 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
    • 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
    • B65H2557/2644—Calculating means; Controlling methods with key characteristics based on closed loop control characterised by PID control

Definitions

  • the invention relates to a printing press or a method for operating a printing press and also to a control unit for controlling a drive unit of the printing press.
  • a web-fed rotary press is disclosed as an example of a printing press.
  • the register-based adjustment of a printing cylinder printing on one side of a web is carried out by means of register regulators.
  • An input of the register controller is supplied with a register deviation recorded by a sensor which is assigned to a web side.
  • the register controller is connected to a bus of a higher-level controller via another input.
  • the higher-level control system includes a control center, section computer and service interfaces accessible via Modens. The setpoints for a drive control of motors are given by the higher-level control.
  • Registration marks are therefore printed markings which also as
  • Print marks are known and can be used to optimize printing.
  • the object of the present invention is an inexpensive or an improved faster processing of signals of a color register control, i.e. generally achieve a register control or a print mark, which is recorded by a sensor, a print mark button. Furthermore, it is also a goal to achieve improved error correction.
  • a printing press is, for example, a single printing unit.
  • Another embodiment of the printing press is, for example, a printing press with two or more printing units.
  • the printing units are advantageously matched to one another.
  • a printing press according to the invention has at least one printing unit, a drive unit which is assigned to the printing unit, a control unit at least for controlling a drive unit and a print mark measuring device and / or a register measuring device.
  • the print mark measuring device or the register measuring device is directly connected to the control unit, which is provided at least for controlling a drive unit, by means of signal transmission.
  • the direct connection shortens the signal path, ie the signal runtime, compared to the technical solution in accordance with the above-mentioned laid-open specification. In this way it is possible to react faster and better to deviations in the printed image.
  • the register measuring device has, for example, a CCD camera or a scanning device.
  • the register accuracy of a printer can be determined from the optical signals recorded by the register measuring device.
  • Color prints are color registers - also called registers - or correspondingly a color register measuring device.
  • a color register measuring device can be used for print marks as well as for prints without print marks using the print itself.
  • the printing press has, for example, a large number of printing units, which, for a good printed image, have to be rotated very precisely in synchronism with one another in the correct position. To control this, e.g. Print marks applied to the paper to be printed. At least one printing mark measuring device is also for evaluating these printing marks
  • a print mark also includes a passport to understand the brand.
  • the print mark measuring device is then to be understood as a registration mark measuring device which is used alternatively or in combination with the print mark measuring device.
  • the registration mark measuring device is provided for recognizing the registration marks.
  • the measurement of the difference serves to determine at least one correction value for, for example, a circumferential register of the printing unit or of the printing units or ink lying outside the tolerance.
  • These correction values are time-critical and the exact correction of these correction values is very important for the quality of the printed image.
  • the print mark measuring device or the register measuring device is directly coupled to a control unit for drive control of a drive of the printing press.
  • a means for signal transmission such as cable transmission or radio transmission can be used for the coupling.
  • Such direct coupling results in faster processing of the correction value, which is calculated, for example, in the control unit, and thus also an improvement in the quality of the printed image.
  • the signal from the sensor is transmitted to an assigned register controller, the register controller being connected to a bus with a higher-level control and a correction value for improving the register accuracy via the control station being corrected to a drive controller as Setpoint can be transferred to the higher-level control.
  • the print mark measuring device is directly connected to the control unit, which is provided at least for controlling a drive unit, by means of signal transmission.
  • the print mark measuring device evaluates the measurement signal of the print mark measuring device or the register measuring device in an evaluation unit.
  • the evaluation unit of the print mark measuring device is, for example, directly data-technically coupled via a serial coupling to the control unit, ie a drive controller of the printing unit.
  • Software can be run in the control unit, which evaluates the measured values of the print mark measuring device and calculates the corrective values or also implements the correction directly.
  • the direct coupling and thus faster processing of the correction values results in a qualitative improvement of the printed image. Furthermore, the elimination of a separate correction computer previously required results in cost optimization.
  • the correction signal or the correction signals are e.g. also sent to a control center via an already existing communication link within a printing press of the control unit.
  • the print mark measuring device which has an evaluation unit, the evaluation unit, the signals generated by a print mark measuring device in e.g. Converts digital signals, sends these digital signals e.g. via a bus system to the control unit.
  • a bus system which is already used in the printing press can advantageously be used as the means for signal transmission. The same should be done for a register measuring device.
  • control unit has the integrated evaluation unit, which converts a signal generated by the print mark measuring device or the register measuring device, for example an analog signal, into a digital signal that can be processed by the control unit.
  • control unit which is provided at least for controlling a drive unit and is directly connected to the print mark measuring device or the register measuring device, has a master functionality with respect to further drive units or with respect to further control units.
  • a drive unit has at least one electric motor and one converter.
  • control unit for controlling a drive unit of a printing press, the control unit having a signal interface for inputting a signal from a print mark measuring device or the register measuring device.
  • a print mark signal is transmitted from the print mark measuring device or a register measurement signal from the register measuring device to the control unit.
  • a correction value for the motion control of at least one drive unit is calculated by the control unit.
  • FIG. 1 shows a printing press
  • FIG. 2 shows another printing press
  • FIG. 3 shows the communication between a print mark measuring device and a drive unit with an associated control device
  • FIG. 4 shows the signal path of a print mark signal.
  • FIG. 1 shows the structure of a printing press DM in the form of an overview.
  • Paper rolls Pl to P3 run paper webs PBl to PB3 through printing units DE, DE1 and DE2, as well as to a folder F. After passing through the printing units DE1 and DE2, the paper web PB1 arrives at further processing units which, however, are not shown in the illustration according to FIG. The paper web PB1 therefore ends in the drawing with a dashed line.
  • the printing units DE, DE1 and DE2 are shown in the illustration by an approximately H-shaped outer contour.
  • the printing units DE, DE1 and DE2 each have ten cylinders ZY, which are arranged in two groups G1, G2, five cylinders ZY each. All cylinders or wheel-shaped machine elements of a printing unit DE, DE1, DE2 and a folder F are referred to here as cylinders ZY.
  • the paper webs PB1 to PB3 run over these groups G1, G2, which are referred to as printing points in the printing units DE.
  • a pressure point exists e.g. essentially consisting of a rubber cylinder, a plate cylinder and a dyeing and dampening unit.
  • One color can be printed on one page with each printing point.
  • All printing points that work on a folder F i.e. where the printed paper webs PB1 to PB3 are fed onto a folder F, belong to one rotation.
  • the printing units DE, DE1, DE2 are usually housed in printing towers.
  • a drive device AI to A29 belongs to each individual driven cylinder.
  • a control unit RE1 to RE29 is assigned to the drive device AI to A29.
  • the drive unit has, for example, a motor and a converter. In a higher degree of integration, the drive unit has an integrated control unit RE1 to RE29.
  • Drive units A30 to A34 or associated control units RE30 to RE34 are also provided for folder F.
  • the printing units DE, DE1 and DE2 or the folder F have a control device RE1, RE20, RE21 and for each drive group which has the drive units RE30 with master functionality.
  • the control devices RE1 to RE10 of a drive group are networked with one another in terms of data technology.
  • the control units RE1, RE20, RE21 and RE33 or the drive units AI, A20, A21 and A30, which have a control or master functionality, are identified by a more clearly marked border.
  • An associated master computer L1 to L4 is assigned to a group of drive units or control units and is connected to it in terms of data technology.
  • the master computers L1 to L4 are also connected to one another with a master computer communication LK1 to LK3. This is shown in the drawing by a dashed line. Further embodiments of data networking are also possible here.
  • a master computer Ll to L4 takes over a higher-level process organization.
  • a print mark measuring device ME1, ME2 and ME3 which serves to receive print marks on the paper webs PB1, PB2 and PB3.
  • the print mark measuring device ME1, ME2 and ME3 is connected to a control device RE1 or RE21.
  • the control device RE1 or RE21 determines the correction value for the drive or drives of the drive units in order to improve the print image.
  • the procedure that has been necessary up to now that the correction value is calculated with its own evaluation electronics and e.g. output by a pulse-width-modulated binary signal to the respective drive units of the printing units.
  • a long way previously necessary with regard to the transmission of the correction values to a master computer of the printing press e.g. via serial coupling, via Profibus or Arcnet no longer necessary.
  • the signal path is considerably shortened, which means faster evaluation. signal or correction.
  • the direct coupling and thus faster processing of these correction values results in an improvement in the quality of the printed image.
  • the elimination of a separate correction calculator also results in cost optimization.
  • the correction signals can be transmitted from the control device to a control computer or to a control center via already existing communication connections.
  • a register measuring device RME is provided for the paper web PB1, which is connected to the control unit RE1 in terms of data technology.
  • a register measurement signal RMS shown as an arrow in FIG. 1, then serves to correct the pressure.
  • FIG. 2 shows a printing press DM, in which printing webs DB run, which can be folded in a folder F.
  • the print mark measuring device ME5 serves as a sensor for print marks on the print webs and transmit the sensor data to an integrated evaluation device of the control unit RE.
  • The. Control devices RE are linked to different drive units A of a printing unit DE1, DE2, DE3 and DE4.
  • the print mark measuring device ME4 has an evaluation unit AE, the print mark signal being able to be transmitted to the control device RE via a bus connection.
  • the control devices RE are linked to control centers LST1, LST2 and LST3.
  • the control stations LST1, LST2 and LST3 are technically linked to a control unit LE.
  • FIG. 3 shows the data connection between a print mark measuring device ME and a drive unit A, to which a control unit RE is assigned.
  • the control unit has an interface SNR and the print mark measuring device has an interface SNM.
  • the connection is made using a bus cable BK.
  • the control device is integrated into the drive device, for example, so that current control as well as other controls such as torque control or speed control take place in the drive device.
  • FIG. 4 shows the signal curve of a print mark signal DMS.
  • a print mark signal DMS is generated by the print mark measuring device ME and is transmitted to a control unit RE.
  • a correction value calculation KWB which outputs a correction value KW, is carried out in the control unit.
  • This correction value KW serves as an input signal for a drive control AR, wherein the drive control AR further input signals ES are available.
  • the corrected output signal AS then serves to control the drives more precisely, so that an improvement in the print quality can be achieved.
  • the correction value KW can also be output to a control center LS.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

L'invention concerne une presse (DM) et un procédé pour faire fonctionner une presse qui comporte au moins une imprimante (DE,DE1,DE2,DE3,DE4), une unité d'entraînement (A,A1-A29) associée à l'imprimante (DE,DE1, DE2,DE3,DE4), une unité de régulation (RE,RE1 - RE29) réglant au moins une unité d'entraînement (A,A1- A29) et un dispositif de mesure de marques d'impression (ME,ME1,ME2,ME3, ME4,ME5) ou un dispositif de mesure de registres ou de repères. Le dispositif de mesure de marques d'impression (ME,ME1,ME2,ME3,ME4,ME5) ou le dispositif de mesure de registres (RME) est, par un moyen (DS) de transmission de signaux, en liaison directe avec l'unité de régulation (RE,RE1,RE20, RE21) réglant au moins une unité d'entraînement (A,A1-A29). Du dispositif de mesure de marques d'impression (ME,ME1,ME2,ME3,ME4,ME5) est envoyé un signal de marques d'impression (DMS) directement à l'unité de régulation (RE, RE1,RE20,RE21), laquelle calcule une valeur de correction (KW) pour réguler le mouvement d'au moins une unité d'entraînement (A,A1-A29), ce qui améliore la qualité d'impression.
EP04722573A 2003-04-22 2004-03-23 Presse et procede pour faire fonctionner une presse Revoked EP1615774B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10318209A DE10318209A1 (de) 2003-04-22 2003-04-22 Druckmaschine bzw. Verfahren zum Betrieb einer Druckmaschine
PCT/EP2004/003072 WO2004094146A1 (fr) 2003-04-22 2004-03-23 Presse et procede pour faire fonctionner une presse

Publications (2)

Publication Number Publication Date
EP1615774A1 true EP1615774A1 (fr) 2006-01-18
EP1615774B1 EP1615774B1 (fr) 2008-03-19

Family

ID=33304875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04722573A Revoked EP1615774B1 (fr) 2003-04-22 2004-03-23 Presse et procede pour faire fonctionner une presse

Country Status (6)

Country Link
US (1) US20060272522A1 (fr)
EP (1) EP1615774B1 (fr)
JP (1) JP5025260B2 (fr)
CN (1) CN100540304C (fr)
DE (2) DE10318209A1 (fr)
WO (1) WO2004094146A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054975B4 (de) * 2005-11-16 2016-12-15 Siemens Aktiengesellschaft Registerregelung bei einer Druckmaschine
DE102006009434B4 (de) * 2006-03-01 2011-12-08 Siemens Ag Verfahren und Vorrichtung zum zeitrichtigen Erfassen von in regelmäßigen Abständen auf einer Druckbahn befindlichen Druckmarken

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2204224A1 (de) * 1972-01-29 1973-08-02 Siemens Ag Registerregeleinrichtung fuer mehrfarbendrucke
USRE32967E (en) * 1982-11-24 1989-06-27 Xerox Corporation Web tracking system
GB8913770D0 (en) * 1989-06-15 1989-08-02 Crosfield Electronics Ltd Register mark detection
DE19526373B4 (de) * 1994-08-08 2005-10-20 Tokyo Kikai Seisakusho Ltd Vorrichtung zur Registersteuerung bei Rollenrotationsdruckmaschinen und automatisches Verfahren zur Registersteuerung für Rollenrotationsdruckmaschinen zur Korrektur von Registereinstellfehlern
US5668455A (en) * 1994-09-16 1997-09-16 Gotz; Fritz Rainer Angle encoder for rotating equipment
DE19520919C2 (de) * 1995-06-08 1998-02-26 Roland Man Druckmasch Steuerung für eine Druckmaschine
CH691225A8 (fr) * 1996-02-09 2001-08-15 Bobst Sa Machine d'impression rotative.
EP0882587B1 (fr) * 1997-06-02 2003-07-23 Maschinenfabrik Wifag Contrôle du repérage des cylindres dans une machine à imprimer rotative pour bandes
DE19723059A1 (de) * 1997-06-02 1998-12-03 Wifag Maschf Registerhaltige Abstimmung von Druckzylindern einer Rollenrotationsmaschine
DE19919741A1 (de) * 1999-04-30 2000-11-02 Heidelberger Druckmasch Ag Verfahren zur Registersteuerung beim Übereinanderdruck mehrerer Teilfarben
JP3363872B2 (ja) * 2000-06-23 2003-01-08 株式会社東京機械製作所 切断見当及び印刷見当自動調整機能を有する同期制御装置
DE10038551A1 (de) * 2000-08-03 2002-02-14 Roland Man Druckmasch Ermittlung der Voreinstelldaten für das Schnittregister (und das Farbregister) für längswellenlose Druckwerke
US6591746B2 (en) * 2001-06-13 2003-07-15 Hurletron, Incorporated Registration system for printing press
US7032988B2 (en) * 2002-04-08 2006-04-25 Kodak Graphic Communications Canada Company Certified proofing

Non-Patent Citations (1)

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Title
See references of WO2004094146A1 *

Also Published As

Publication number Publication date
CN100540304C (zh) 2009-09-16
DE502004006582D1 (de) 2008-04-30
CN1809459A (zh) 2006-07-26
JP5025260B2 (ja) 2012-09-12
JP2006524147A (ja) 2006-10-26
DE10318209A1 (de) 2004-11-25
WO2004094146A1 (fr) 2004-11-04
EP1615774B1 (fr) 2008-03-19
US20060272522A1 (en) 2006-12-07

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