EP1615774B1 - Druckmaschine und verfahren zum betrieb einer druckmaschine - Google Patents

Druckmaschine und verfahren zum betrieb einer druckmaschine Download PDF

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Publication number
EP1615774B1
EP1615774B1 EP04722573A EP04722573A EP1615774B1 EP 1615774 B1 EP1615774 B1 EP 1615774B1 EP 04722573 A EP04722573 A EP 04722573A EP 04722573 A EP04722573 A EP 04722573A EP 1615774 B1 EP1615774 B1 EP 1615774B1
Authority
EP
European Patent Office
Prior art keywords
measuring device
register
control unit
print
signal
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.)
Revoked
Application number
EP04722573A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1615774A1 (de
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(B1) "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/de
Application granted granted Critical
Publication of EP1615774B1 publication Critical patent/EP1615774B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • B41F33/0081—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 as well as 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.
  • register-based tuning of a printing cylinder printing on one side of a web is effected by means of register regulators.
  • An input of the register regulator is supplied with a register deviation recorded by a sensor which is assigned to a web page.
  • the register controller is connected to a bus of a higher-level controller.
  • the higher-level control system includes a control station, section computers and service interfaces accessible via Moden. The setpoints for drive control of motors are given by means of the higher-level controller.
  • register control e.g. from printing cylinders to the web printed registration marks, which are received by means of a arranged behind the last printing unit pair of sensors.
  • the registration marks printed on the web are picked up by the sensor and evaluated in a measuring head of the sensor. From an output of the sensor, the determined register deviations of the printing cylinder are guided to a reference cylinder to an input of the register controller.
  • Registration marks are printed markings which are also known as print marks and which can be used to optimize a print.
  • An embodiment of the 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 has at least one printing unit, a drive unit which is associated with 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 by a means for signal transmission to the control unit, which is provided at least for controlling a drive unit.
  • the register measuring device has, for example, a CCD camera or a scanning device. From the recorded by the register measuring optical signals, the register accuracy of a printer can be determined. Color prints are color registers - also called passports - or corresponding to a color register measuring device. A color register measuring device can be used both for print marks and for prints without print marks using the print itself.
  • the printing press has, for example, a large number of printing units, which have to rotate very accurately synchronously and in the correct position to each other for a good print image.
  • print marks are applied to the paper to be printed.
  • the difference of the individual printing units or colors is measured.
  • Such a difference can also be determined by an evaluation of the printed image with the aid of a (color) register measuring device and a corresponding evaluation unit.
  • a print mark is here and below, alternatively or in combination, also a registration mark to understand.
  • 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.
  • a high-resolution image analysis device is particularly advantageous.
  • the measurement of the difference serves to determine at least one correction value for, for example, a circumferential register of the printing unit or color outside the tolerance. These correction values are time-critical and the exact compensation 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 coupled directly to a control unit for controlling the drive of a drive of the printing press.
  • a means for signal transmission such as a cable transmission or a radio transmission can be used.
  • Such a direct coupling results in a faster processing of the correction value, which is calculated for example in the control unit, and thus also a quality improvement of the printed image.
  • the print mark measuring device evaluates the measuring signal of the print mark measuring device or the register measuring device in an evaluation unit.
  • the evaluation of the print mark measuring device is coupled for example via a serial coupling with the control unit, so a drive controller of the printing unit, directly related data technology.
  • a software is executable, which evaluates the measured values of the print mark measuring device and calculates the correction values or also directly implements the correction.
  • 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 hitherto required separate correction computer results in a cost optimization.
  • the correction signal or the correction signals are used e.g. also sent via an existing communication links within a printing press of the control unit to a control room.
  • the print mark measuring device which has an evaluation unit, wherein the evaluation unit generates 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 used, which already comes in the printing press for use.
  • a register measuring device must also be used.
  • 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 a power converter.
  • control unit for controlling a drive unit of a printing machine, wherein the control unit has a signal interface for inputting a signal of 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 measuring signal from the register measuring device to the control unit.
  • the control unit calculates a correction value for the motion control of at least one drive unit.
  • FIG. 1 In the illustration according to FIG. 1 is shown in the form of an overview of the structure of a printing machine DM. From paper rolls P1 to P3 run paper webs PB1 to PB3 by printing units DE, DE1 and DE2, as well as to a folder F.
  • the paper web PB1 passes after passing through the printing units DE1 and DE2 still further processing units, however, in the illustration according to FIG. 1 are not shown.
  • the paper web PB1 therefore runs 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 are each ten cylinders ZY, which are arranged in two groups G1, G2 five cylinders ZY.
  • As cylinder ZY here all cylinders or wheel-shaped machine elements of a printing unit DE, DE1, DE2, as well as a folder F are designated.
  • About these groups G1, G2, which are referred to as pressure points in the printing units DE run the paper webs PB1 to PB3.
  • a pressure point consists e.g. essentially of a blanket cylinder, a plate cylinder and a paint and dampening unit. Each print location can be used to print a color on one page. All printing locations that operate on a folder F, that is, in which the printed paper webs PB1 to PB3 are fed onto a folder F, belong to a rotation.
  • the printing units DE, DE1, DE2 are usually housed in printing towers.
  • Each driven cylinder includes a drive device A1 to A29.
  • the drive device A1 to A29 is assigned a control unit RE1 to RE29.
  • the drive unit has, for example, a motor and a power converter. In a higher degree of integration, the drive unit has an integrated control unit RE1 to RE29.
  • the folder F drive units A30 to A34 and associated control units RE30 to RE34 are provided.
  • the printing units DE, DE1 and DE2 or the folding apparatus F have, per drive group, which has the drive units, a control device RE1, RE20, RE21 and RE30 with master functionality on.
  • the control devices RE1 to RE10 of a drive group are networked with each other in terms of data technology.
  • the control units RE1, RE20, RE21 and RE33 or the drive units A1, A20, A21 and A30, which have a master or master functionality, are characterized by a more clearly drawn border.
  • a group of drive units or control units is associated with an associated control computer L1 to L4 and connected to this data technology.
  • the control computers L1 to L4 are also connected to one another by a host computer communication LK1 to LK3. This is shown in the drawing by a dashed line. Again, further embodiments of the data networking are possible.
  • a master computer L1 to L4 takes over a higher-level process organization.
  • a print mark measuring device ME1, ME2 and ME3 is arranged, 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 (s) of the drive units in order to improve the printed image.
  • the previously necessary procedure that the correction value is calculated with its own evaluation and output, for example, by a pulse width modulated binary signal to the respective drive units of the printing units, overcome.
  • a previously required long way with regard to the transferring of the correction values to a central computer of the printing press for example, via a serial link, no longer necessary via Profibus ® or Arcnet.
  • the print mark measuring device ME1, ME2, ME3 By connecting the print mark measuring device ME1, ME2, ME3 eg by serial coupling (DS) directly to the control unit RE1, RE21 or the drive controller of the printing unit, the signal path is considerably shortened, which is the faster evaluation the signals or the correction comes to good.
  • the direct coupling and thus faster processing of these correction values results in a quality improvement of the printed image.
  • the omission of a separate correction computer also results in a cost optimization.
  • the correction signals can be transmitted via existing communication links from the control device to a control computer or to a control station.
  • a register measuring device RME is provided which, in terms of data technology, is connected to the control unit RE1.
  • a register measurement signal RMS in the FIG. 1 shown as an arrow, then serves to correct the pressure.
  • the representation according to FIG. 2 shows a printing machine DM, in which printing paths DB run, which are falzbar in a folder F.
  • the print mark measuring device ME5 serves as a sensor for print marks on the printing 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 pressure unit DE1, DE2, DE3 and DE4.
  • the print mark measuring device ME4 has an evaluation unit AE, wherein the print mark signal can be transmitted to the control device RE via a bus connection.
  • the control devices RE are linked in terms of data with control stations LST1, LST2 and LST3.
  • the control stations LST1, LST2 and LST3 are linked in terms of data with a routing unit LE.
  • the representation according to FIG. 3 shows the data connection between a print mark measuring device ME and a drive unit A, which is associated with a control unit RE.
  • the control unit has an interface SNR and the print mark measuring device an interface SNM.
  • the connection is made by means of a bus cable BK.
  • the control device is integrated, for example, in the drive device, so that in the drive device current control as well as other controls such as torque control or speed control done.
  • the representation according to FIG. 4 shows the waveform of a print mark signal DMS.
  • a print mark signal DMS is generated, which is transmitted to a control unit RE.
  • a correction value calculation KWB which outputs a correction value KW.
  • 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 the more precise control of the drives, so that an improvement of the print quality can be achieved.
  • the correction value KW can additionally be output to a control station 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)
EP04722573A 2003-04-22 2004-03-23 Druckmaschine und verfahren zum betrieb einer druckmaschine Revoked EP1615774B1 (de)

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 (de) 2003-04-22 2004-03-23 Druckmaschine und verfahren zum betrieb einer druckmaschine

Publications (2)

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

Family

ID=33304875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04722573A Revoked EP1615774B1 (de) 2003-04-22 2004-03-23 Druckmaschine und verfahren zum betrieb einer druckmaschine

Country Status (6)

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

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 (de) * 1997-06-02 2003-07-23 Maschinenfabrik Wifag Registerhaltige Abstimmung von Druckzylindern einer Rollenrotationsmaschine
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

Also Published As

Publication number Publication date
CN100540304C (zh) 2009-09-16
EP1615774A1 (de) 2006-01-18
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 (de) 2004-11-04
US20060272522A1 (en) 2006-12-07

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