EP2203370A1 - Procédé et dispositif de réglage d'un mécanisme d'entraînement - Google Patents

Procédé et dispositif de réglage d'un mécanisme d'entraînement

Info

Publication number
EP2203370A1
EP2203370A1 EP07856995A EP07856995A EP2203370A1 EP 2203370 A1 EP2203370 A1 EP 2203370A1 EP 07856995 A EP07856995 A EP 07856995A EP 07856995 A EP07856995 A EP 07856995A EP 2203370 A1 EP2203370 A1 EP 2203370A1
Authority
EP
European Patent Office
Prior art keywords
web tension
web
drive
value
actual value
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
EP07856995A
Other languages
German (de)
English (en)
Other versions
EP2203370B1 (fr
Inventor
Raimond Posselt
Ulrich Seyffert
Bernd Mehlis
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 Web Systems GmbH
Original Assignee
Manroland 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=39241587&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2203370(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Manroland AG filed Critical Manroland AG
Publication of EP2203370A1 publication Critical patent/EP2203370A1/fr
Application granted granted Critical
Publication of EP2203370B1 publication Critical patent/EP2203370B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/03—Threading webs into printing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • 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
    • B65H2557/24—Calculating methods; Mathematic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method for controlling an intake of a web-fed printing press according to the preamble of claim 1. Furthermore, the invention relates to a device for controlling a retraction of a web-fed printing press according to the preamble of claim. 9
  • An infeed mechanism which serves to draw a printing material web into a printing unit of a web-fed printing press, has at least one roller driven by a drive of the drawing-in unit, wherein the driven roller of the draw-in unit is operated at a lower rotational speed or peripheral speed than the transport of the printing material web Rolls or cylinders of the printing unit, so as to provide a defined web tension for the fed-in printing material web between the infeed unit and the printing unit.
  • the web train is a force, whereby a web tension is calculated from the web train if the same is divided by the width of the web to be collected.
  • EP 0 976 674 B2 From EP 0 976 674 B2, it is already known to regulate the web tension by comparing an actual value of the web tension with a corresponding desired value, wherein a control variable depends on the difference or deviation between the actual value and the desired value Einzugwerk generated.
  • a measured actual value is used for the web tension, from which it follows that a corresponding measuring device for the web tension is required.
  • Such a measuring device for the web tension causes a complex structure of the feed mechanism or the web printing press and thus increases their costs.
  • the present invention is based on the problem to provide a novel method and an apparatus for controlling a retraction of a web-fed printing press.
  • the actual value of the web tension or the web tension is calculated on the basis of a model.
  • the actual value of the web tension or the web tension is determined by calculation on the basis of a model. According to the invention can therefore be dispensed with a measuring device or a sensor for determining an actual value of the web tension or the web tension. As a result, a simpler construction of the infeed unit or of the web-fed printing press can be realized with less effort and therefore lower costs.
  • the regulation of the web tension or the web tension is superimposed on a regulation of a rotational speed of the drive of the intake train or a regulation of a position of the drive of the intake train.
  • the inventive device for controlling a retraction of a web press is defined in claim 9.
  • Fig. 1 a schematic section of a web-fed printing press to illustrate the invention
  • FIG. 2 is a schematic representation of a preferred control concept for a drive of a drawing-in unit of the web-fed printing machine
  • FIG. 3 shows a signal flow plan of a model for the computational determination of an actual value of the web tension or the web tension
  • FIG. 4 shows a signal flow diagram of a further model for the computational determination of an actual value of the web tension or the web tension.
  • FIG. 1 shows a schematic section of a web-fed printing press in the region of two printing units 10, 11 arranged one above the other and a roll changer 12 located upstream of the two printing units 10, 11.
  • a web-shaped printing material in the form of a printing stock roll 13 is kept ready and used as a printing material web Unwound from the printing roll 13, wherein the printing substrate 14 by means of one of
  • Pressure unit 10 associated infeed 15 is fed into the printing unit 10.
  • the feed mechanism 15 has a roller 17 driven by a drive 16 in order to feed the printing material web 14 into the printing unit 10.
  • the printing units 10, 1 1 are designed as so-called 8-cylinder printing units.
  • Each of the printing units 10, 11 therefore has four printing units, each printing unit having a forme cylinder 18 and a transfer cylinder 19.
  • the transfer cylinder 19 of two printing units roll to form a printing nip for the printing material 14 from each other, wherein the transfer cylinder 19 and the further transport of the printing material
  • the drive 16 of the intake 15 is assigned a drive controller 20.
  • the preferred structure of the drive controller 20 is shown in FIG. 2, wherein the drive controller 20 of FIG. 2 additionally controls a speed of the drive 16 in addition to the web tension or the web tension of the printing material web.
  • the drive controller 20 of FIG. 2 additionally controls a speed of the drive 16 in addition to the web tension or the web tension of the printing material web.
  • the speed controller 21 for controlling the speed of the drive 16, the speed controller 21 based on a deviation between a setpoint NSOLL for the speed of the drive 16 and a measured actual value NIST of the speed of the drive 16 is a manipulated variable Y M o ⁇ for the drive 16 outputs.
  • the drive 16 is assigned a rotational speed sensor 22.
  • the speed control is superimposed according to FIG. 2, a control of the web tension or the web tension, for which purpose the drive controller 20 in addition to the speed controller 21 comprises a control device 23 for controlling the web tension or the web tension.
  • the web tension controller or web tension controller 23 determines based on a deviation between a setpoint value XSO L L for the web tension or the web tension and a corresponding actual value X
  • S ⁇ of the train or the web tension not metrologically, but rather on the basis of a model 24 calculated.
  • the model 24 outputs as an output the actual value X ⁇ s ⁇ for the web tension or the web tension, wherein in the embodiment of FIG. 2 the model 24 as input variables with the aid of a torque sensor 25 measured engine torque M M o ⁇ the drive 16, by means of the speed sensor 22 measured actual value N
  • the model 24 determines according to FIG. 4 the actual value XI S T of the web tension or the web tension as follows:
  • XIST is the calculated actual value of the web tension
  • XRW is the web tension value of the web changer
  • MM O T is the engine torque of the drive
  • S ⁇ is the speed of the drive
  • G1 and G2 are smoothing functions
  • a and m and c are constants.
  • an electric current forming the engine torque can also be measured by measurement and used as an input variable for the model 24.
  • a variable forming the web tension value or web tension value can be used instead of the web tension value or web tension value XRW of the reel changer.
  • the smoothing functions G1 and G2 which smooth the motor torque M M o ⁇ or the web tension value or web tension value X RW of the roll changer, are filter functions.
  • the smoothing functions Gi-tind G2 can be dispensed with if already appropriately smoothed quantities are provided by the torque sensor 25 or roll changer.
  • the quantities c, m and a are constants.
  • the variables c and m are the constants of the speed-dependent, linearized friction torque M RE IB-
  • the constant a is a conversion factor which is dependent on a transmission ratio i between the drive 16 and the roller 17 of the intake 15 and a radius r of the roller 17. For the conversion factor a, the following applies:
  • the simplified model 24 'shown in FIG. 3 can also be used.
  • the model 24 'then determines according to FIG. 3 the actual value X I ST of the web tension or of the web tension as follows:
  • X I S T is the calculated actual value of the web tension
  • XRW is the web tension value of the roll changer
  • MMOT is the engine torque of the drive
  • G1 being a smoothing function
  • a and c are constants.
  • the control of the web tension or the web tension of the speed control of the drive 16 is superimposed.
  • the regulation of the web tension or the web tension of a control of a position of the drive 16 of the infeed 15 is superimposed, in which case the controller 23 for the web tension or the web tension as a manipulated variable an offset for the desired value Position of the drive 16 outputs.
  • the control device 23 can also adapt a so-called gear factor.
  • an inertia moment of the intake train can be taken into account as a further input variable in order to calculate the actual value X
  • control device 23 for the web tension or the web tension as well as the model 24 for the computational determination of the actual value XIST or the web tension are integrated into the drive controller 20.
  • control device 23 for the web tension or the web tension as well as the model 24 for the computational determination of the actual value XIST or the web tension are integrated into the drive controller 20.
  • a web tension measuring device is installed between the infeed unit 15 and the printing unit 10 exclusively for parameter determination, in which case the drive controller 20 is operated at different speeds with different setpoint values for the web tension.
  • the torque of the drive or the torque-forming current of the drive, the rotational speed of the drive and the web tension are detected, which can be calculated from this metrological detection of the parameters c, m and a by means of numerical optimization.
  • the parameters determined in this way are then used in the model in order subsequently to determine the actual value X

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

L'invention concerne un procédé de réglage d'un mécanisme d'entraînement (15) d'une presse rotative à bobines, notamment pour le réglage d'un tirage de bande respectivement d'une tension de bande d'une bande de matériau à imprimer (14) rentrant dans l'unité d'impression (10, 11) au moyen du mécanisme d'entraînement. A cet effet, une valeur réelle est comparée à une valeur théorique, et en fonction de l'écart entre la valeur réelle et la valeur théorique, un dispositif de réglage destiné au tirage de bande respectivement à la tension de bande produit une valeur de réglage pour le mécanisme d'entraînement. Selon l'invention, la valeur réelle du tirage de bande respectivement de la tension de bande est calculée sur la base d'un modèle.
EP07856995.1A 2006-12-22 2007-12-20 Procédé et dispositif de réglage d'un mécanisme d'entraînement Revoked EP2203370B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006061252A DE102006061252A1 (de) 2006-12-22 2006-12-22 Verfahren und Vorrichtung zur Regelung eines Einzugwerks
PCT/EP2007/011272 WO2008077582A1 (fr) 2006-12-22 2007-12-20 Procédé et dispositif de réglage d'un mécanisme d'entraînement

Publications (2)

Publication Number Publication Date
EP2203370A1 true EP2203370A1 (fr) 2010-07-07
EP2203370B1 EP2203370B1 (fr) 2013-10-23

Family

ID=39241587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856995.1A Revoked EP2203370B1 (fr) 2006-12-22 2007-12-20 Procédé et dispositif de réglage d'un mécanisme d'entraînement

Country Status (6)

Country Link
US (1) US20100089962A1 (fr)
EP (1) EP2203370B1 (fr)
CN (1) CN101583550B (fr)
CH (1) CH701390B1 (fr)
DE (1) DE102006061252A1 (fr)
WO (1) WO2008077582A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102009028597A1 (de) 2009-08-17 2011-02-24 Manroland Ag Verfahren und Vorrichtung zur Regelung der Bahnspannung einer Rollendruckmaschine
DE102009056293B4 (de) 2009-11-30 2012-03-29 Eastman Kodak Company Vorrichtung und Verfahren zum Regeln der Spannung einer Substratbahn
DE102010050821A1 (de) 2010-11-09 2012-05-10 Robert Bosch Gmbh Verfahren zur Regelung der Bahnspannung in einem einen Tänzer aufweisenden ersten Bahnspannungsabschnitt
GB2493541A (en) 2011-08-10 2013-02-13 Markem Imaje Ltd Motor control system using position or torque as dominant control parameter
GB2507771B (en) * 2012-11-09 2020-03-04 Dover Europe Sarl Tape drive and method of operation of a tape drive
GB2510645B (en) 2013-02-12 2016-06-01 Dover Europe Sarl Tape drive and method of operation
GB2510832B (en) 2013-02-13 2020-02-26 Dover Europe Sarl Tape drive and method of operation of a tape drive
GB2510834B (en) 2013-02-13 2017-01-18 Dover Europe Sarl Printing apparatus and method of operating a printing apparatus
EP4487869A3 (fr) 2016-04-22 2025-07-30 CureVac SE Arn codant pour un antigène tumoral
EP3416010B1 (fr) * 2017-06-12 2020-11-25 Siemens Aktiengesellschaft Procédé et dispositif de détermination de la tension d'une bande de produit, produit-programme d'ordinateur, installation industrielle et machine de production
EP3805884A1 (fr) * 2019-10-11 2021-04-14 Siemens Aktiengesellschaft Procédé de détermination et / ou de classification d'un état d'une bande de matériau, produit programme informatique, dispositif de fabrication et installation industrielle

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US4227952A (en) * 1979-04-16 1980-10-14 Sabee Products, Inc. Method and apparatus for making diapers with elastic bands
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US5137223A (en) * 1990-04-09 1992-08-11 The United States Of America As Represented By The United States Department Of Energy Precision wire feeder for small diameter wire
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Also Published As

Publication number Publication date
US20100089962A1 (en) 2010-04-15
WO2008077582A1 (fr) 2008-07-03
CH701390B1 (de) 2011-01-14
CN101583550A (zh) 2009-11-18
CN101583550B (zh) 2011-12-21
EP2203370B1 (fr) 2013-10-23
DE102006061252A1 (de) 2008-06-26

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