EP1916106A2 - Procédé de compensation d'erreur d'enregistrement circonférentiel fondé sur les oscillations dans une presse au sol - Google Patents

Procédé de compensation d'erreur d'enregistrement circonférentiel fondé sur les oscillations dans une presse au sol Download PDF

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Publication number
EP1916106A2
EP1916106A2 EP07117690A EP07117690A EP1916106A2 EP 1916106 A2 EP1916106 A2 EP 1916106A2 EP 07117690 A EP07117690 A EP 07117690A EP 07117690 A EP07117690 A EP 07117690A EP 1916106 A2 EP1916106 A2 EP 1916106A2
Authority
EP
European Patent Office
Prior art keywords
sheet
vibration
circumferential register
printing
compensating
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
EP07117690A
Other languages
German (de)
English (en)
Other versions
EP1916106B1 (fr
EP1916106A3 (fr
Inventor
Bernhard Dr. Buck
Stefan Dr. Schreiber
Malte Dr. Seidler
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1916106A2 publication Critical patent/EP1916106A2/fr
Publication of EP1916106A3 publication Critical patent/EP1916106A3/fr
Application granted granted Critical
Publication of EP1916106B1 publication Critical patent/EP1916106B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/16Registering devices with means for displacing the printing formes on the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/14Registering devices with means for displacing the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90Register control
    • B41P2213/91Register control for sheet printing presses

Definitions

  • the invention relates to a method for compensating oscillation-based circumferential register errors in a sheet-fed printing press in which at least one caused by vibrations deviation of the actual angular position of a cylinder is compensated by a desired angular position by adjusting the circumferential register of at least one printing unit. Furthermore, the invention relates to a sheet-fed press with a plurality of printing units and a register control with actuators for changing cylinder angle positions in individual printing units.
  • a common sheet-fed printing machine has a control or regulation of the register by the position of one or more cylinders in a printing unit in several degrees of freedom by actuators, for example by the drive of the cylinder, can be changed.
  • actuators for example by the drive of the cylinder
  • the angular position of a printing plate cylinder or a sheet leading cylinder (or a drum) can be acted upon, so that its phase position is adjusted (circumferential register).
  • register deviations in the sheet longitudinal direction, also referred to as register deviations, can be compensated in this way.
  • a multiplicity of operating variables such as operating speed, accelerations and decelerations, temperature, position of the printing forms recorded on the printing forme cylinders and sheet transfer, thereby exerts an influence on the quantitative value of the register deviations of two successive printing units.
  • operating variables such as operating speed, accelerations and decelerations, temperature, position of the printing forms recorded on the printing forme cylinders and sheet transfer
  • the different static loads occurring at different values of operating variables cause a static register deviation compared with a precisely fitting pressure at a certain set of values of operating variables.
  • This register deviation can be corrected by an opposite change in the circumferential register, in particular a corresponding change in the rotational angle setpoint values of the cylinder to be registered.
  • the expected register deviation is calculated by means of a torque flux model from the acting drive and load torques and the elasticity of the drive train in a predictive manner.
  • vibrations in a sheet-fed printing press can be excited.
  • the document DE 42 18 604 A1 It should be noted that as a result of these vibrations in the printed image register deviations may occur in the sheet longitudinal direction. In other words, there may also be a vibration-induced dynamic registration error. According to the document DE 42 18 604 A1 the occurring register error is measured directly by means of a register measuring device or indirectly by means of an sheet position detector in the printing machine, so that a corresponding correction of the circumferential register can be made.
  • a sheet-fed press is excited to particularly pronounced oscillations when a stimulating disturbance torque of a certain frequency is in resonance with a natural frequency of the sheet-fed press or of a part of the sheet-fed press.
  • the frequencies of different disturbance moments are often dependent on individual operating variables, in particular disturbance moments with relatively strong amplitudes may have speed-dependent frequencies.
  • a distinction must be made in particular between frequencies of integer order, that is to say frequencies which represent an integral multiple of the sheet-fed printing machine operating frequency, and frequencies of non-integer order, that is to say frequencies which are a non-integer multiple of the sheet-fed printing machine operating frequency.
  • a Oscillation of integer order has a fixed phase relation to an operating cycle of the sheet-fed press.
  • the object of the present invention is to selectively reduce or avoid a vibration-induced dynamic registration deviation in a sheet-fed printing press.
  • the current vibration state of the sheet-fed press (during operation) is determined, the effect of certain oscillations integer order, that is vibrations with integer multiple frequency of the sheet printing machine operating frequency, calculated on the position of the color separations on a printing material, in particular on the angular position of the at least one cylinder and the necessary according to the calculation result compensatory adjustment of the circumferential register, in particular the angular position of the cylinder as the necessary compensating motivationsregisterver ein made.
  • the vibrations can be in particular torsional vibrations.
  • the adjustment of the circumferential register of at least one printing unit can be effected by an adjustment of the circumferential register of a cylinder, in particular the phase position or the angular orientation of a cylinder.
  • the cylinder to be adjusted may alternatively be a part of another printing unit of the sheet-fed printing press, which is different from the genant printing unit.
  • the cylinder may in particular be a printing form cylinder or a sheet of leading cylinders.
  • the cylinder may be a part of the printing unit whose peripheral register is adjusted.
  • the printing form cylinder of the printing unit can be the circumferential register-bearing cylinder.
  • the adjustment of the circumferential register of at least one printing unit can be effected by the adjustment of a printing form cylinder or by the adjustment of a cylinder lying along the sheet transport path through the printing press, in particular a cylinder (preferably).
  • the adjustment of the circumferential register of at least one printing unit can be effected by the adjustment of the cylinder, at which a deviation of the actual angular position from a desired angular position is determined (measured, determined quantitatively), or by another cylinder.
  • the determination, measurement or quantitative determination of the deviation can be made on a plate cylinder or a sheet leading cylinder.
  • a vibration-related registration error a vibration-induced dynamic registration error
  • the invention makes use of the finding that, under steady-state operating conditions, integer-order vibrations dynamically induce a steady-state registration error.
  • the registration error depending on operation quantities such as the engine speed or the vibration damping performed in the engine is determined by measurement, calculation based on a model, or calculation taking into consideration measured values knowing the vibration state of the sheet-fed press, so that the peripheral register is so counteracted in advance can be that in the printing no register error is disturbing visible.
  • the measurements and / or calculations may be made in advance or during operation of the Sheet-fed press (online).
  • the adjustment of the circumferential register is preferably carried out so slowly that duplication is avoided.
  • the current oscillation state is determined by measurement by means of torsional vibration sensors or torque sensors on the sheet-fed printing machine and by determining the oscillations with integer multiple frequency of the sheet-fed machine operating frequency from the measured oscillations.
  • This procedure is preferred insofar as vibrations occurring currently in the sheet-fed printing press can be directly and individually quantified, without resorting to a theoretical modeling with necessary simplifying assumptions or generalizations.
  • the determination of the oscillatory component of integer order can be carried out in particular by determining the amplitude and phase of the oscillations with an integer order, for example by filtering the measured total oscillation or the entire frequency spectrum or by orthogonal correlation.
  • the current oscillation state is selected from a plurality of oscillation state values parameterized by values of operating variables of the sheet-fed press in a memory, which have been calculated as a function of the values of operating variables, as a function of the current values of operating variables.
  • the operating variables can describe the operating state of the sheet-fed printing machine. Important examples of such operating variables are the machine speed, the temperature or the setting state of the sheet-fed printing press in pure straight printing mode or in perfecting mode. Vibration models of sheet-fed presses, on the basis of which occurring vibrations can be calculated as a function of the operating state, are known to the person skilled in the art.
  • a storage of the vibration state values can take place in various suitable forms: In a first embodiment, the amplitudes and phase positions of the dominant vibration orders for all cylinders are stored as a function of the printing speed. In a second embodiment, time profiles of the vibration orders are stored in the memory.
  • the current oscillation state is selected from a plurality of oscillation state values parameterized by values of operating variables of the sheet-fed press in a memory, which have been measured as a function of the values of operating variables as a function of the current values of operating variables ,
  • the current vibration state is calculated from a vibration state stored in a memory which has been measured or calculated as a function of a set of values of operating variables as a function of the current values of operating variables.
  • the determination of the vibration state can be made by means of a combination of measurement in the printing operation and a model.
  • operating variables which vibration-determining parameters but are not known to the controller during the printing operation (online) are monitored, so that their offsetting is enabled with the stored vibration state.
  • the effect of certain integer-order vibrations on the position of the color separations on a substrate sheet, in particular the angular position of the at least one cylinder can be determined by means of a tracking sheet-tracking model calculated the sheetfed press, in particular during the printing operation (online) are calculated.
  • the relationship for describing the effect of certain oscillations of integer order on the position of the color separations on a printing material, in particular the angular position of the at least one cylinder be stored in the controller, so that for the current values of operating variables, the vibration-based deviation of a Target position of the color separations or, in particular, the desired angular position of the cylinder, can be determined.
  • a significant application is to be seen in relation to the dependence on the changeover to the perfecting mode (turning mode).
  • a deposit of the relationship can make particularly advantageous little computing power required and thus be economical.
  • the relationship follows from the cylinder position, some design data, the printed format and rests on simple geometric considerations. Specifically, the deposit can be in the form of a table.
  • the compensating adjustment of the circumferential register, in particular of the cylinder, required by the calculation result is carried out by means of the actuators used for the position correction of the printing plates and adjusting algorithms for the adjustment of the circumferential register, in particular using the same trailing motion.
  • the model underlying the calculation of the current oscillation state is non-linear.
  • a nonlinear model may be based on backlash coupled torsional oscillators.
  • vibrations of non-integer order are actively compensated by feeding compensation moments.
  • the vibrations of non-integer order may have a rational order (fractionally rational but not integral) or an irrational order, that is, vibrations with rational or irrational multiple frequency of the sheet-fed printing machine operating frequency. These vibrations can also be referred to as asynchronous vibrations.
  • the vibration-induced dynamic registration error generally represents only an amount to a resulting total registration error.
  • the already mentioned static registration error may occur, in particular due to static moments or distortions.
  • the compensating adjustment of the circumferential register, in particular of the cylinder required in accordance with the calculation result (for compensating a vibration-based dynamic register deviation) of a statically justified further necessary adjustment be charged.
  • the register control of the sheet-fed printing machine comprises a computing unit and / or a storage unit in which a control program is stored, by which a method with features or feature combinations according to this representation can be executed by means of the actuators.
  • the sheet-fed press may have a plurality of printing units of modular construction arranged in a horizontal row.
  • the sheet-fed press may have four, five, six, eight, ten or twelve printing units.
  • the sheet-fed press can be a perfecting press.
  • the sheet-fed press may include a feeder and a boom.
  • the sheet-fed press may include one or more finishing plants, such as stamping plants, coating plants, foil stamping mills or cutting plants.
  • the sheet-fed printing press may comprise printing units which operate according to different printing methods. In particular, the sheet-fed printing press can have offset printing units.
  • FIG. 1 shows schematically the oscillation deflection ⁇ as a function of the angle of rotation ⁇ of six cylinders, which follow one another.
  • the six cylinders have different maximum vibration amplitudes.
  • a model for calculating the effects of vibrations on the register deviation requires as input next to the cylinder positions above all the twist angle of the cylinder relative to the vibration-free movement, the target movement, for all cylinders in the sheet-fed press as a function of the machine angle or time.
  • the transfer takes place from one to a next printing unit, in particular here in the figure 1 from one to a next cylinder.
  • cylinders having the same functionality in the printing units can be printing cylinder or sheet-guiding cylinders, which each lie in different modular successive printing units in a sheet-fed printing press.
  • the cylinders can not be arranged directly following one another, in particular cylinders of two successive printing units.
  • a vibration for example the first natural vibration of the lowest frequency
  • a vibration can be excited, which has a pronounced oscillation deflection at the beginning and at the end of the sheet-fed printing machine, while the cylinders in the printing units arranged closer to the middle of the machine have small maximum oscillation amplitudes.
  • FIG. 2 is a schematic flow diagram of an advantageous embodiment of the method according to the invention for compensating oscillation-based Circumferential register error in a sheetfed press.
  • the operating state 10 of the sheet-fed printing press represented by arrow 14, influences the oscillation behavior 12 of the sheet-fed printing machine, which in turn has an effect on the sheet 32.
  • a measurement 18 of the vibration behavior 12 can take place during the operation of the sheet-fed printing press (signal flow 16) or, on the other hand, a stored vibration state 20 can be determined as a function of the operating state 10 (signal flow 16).
  • a description of the current vibration state 22 results.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP07117690A 2006-10-25 2007-10-02 Procédé de compensation d'erreur d'enregistrement circonférentiel fondé sur les oscillations dans une presse au sol Not-in-force EP1916106B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006050208A DE102006050208A1 (de) 2006-10-25 2006-10-25 Verfahren zur Kompensation schwingungsbegründeter Umfangsregisterfehler in einer Bogendruckmaschine

Publications (3)

Publication Number Publication Date
EP1916106A2 true EP1916106A2 (fr) 2008-04-30
EP1916106A3 EP1916106A3 (fr) 2009-10-28
EP1916106B1 EP1916106B1 (fr) 2013-01-09

Family

ID=38926428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07117690A Not-in-force EP1916106B1 (fr) 2006-10-25 2007-10-02 Procédé de compensation d'erreur d'enregistrement circonférentiel fondé sur les oscillations dans une presse au sol

Country Status (5)

Country Link
US (1) US8763529B2 (fr)
EP (1) EP1916106B1 (fr)
JP (1) JP5059548B2 (fr)
CN (1) CN101168321B (fr)
DE (1) DE102006050208A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5713587B2 (ja) * 2010-06-29 2015-05-07 三菱重工印刷紙工機械株式会社 製函機,検査装置,及び製函機の印刷見当制御方法
CN105353623B (zh) * 2015-12-17 2018-04-13 西安理工大学 一种基于自抗扰控制的凹印套准控制方法
DE102016000335A1 (de) * 2016-01-18 2017-07-20 Heidelberger Druckmaschinen Ag Verfahren zur Kompensation auftrags- und maschinenspezifischer Passerungenauigkeiten und Registerfehler
EP3539777B1 (fr) * 2018-03-14 2020-08-12 Siemens Aktiengesellschaft Procédé et dispositif de correction d'une position d'impression d'un groupe d'impression ainsi que imprimante
EP3838595B1 (fr) * 2019-12-17 2023-04-26 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression rotative
DE102021118031A1 (de) * 2021-07-13 2023-01-19 Koenig & Bauer Ag Bearbeitungsmaschine sowie Verfahren zur Einstellung einer Bearbeitungslänge eines Formgebungsaggregats einer Bearbeitungsmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218604A1 (de) 1992-06-05 1993-12-09 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine mit mehreren Druckwerken
DE102004031508A1 (de) 2004-06-30 2006-02-02 Koenig & Bauer Ag Verfahren zur Korrektur von Passerdifferenzen

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Publication number Priority date Publication date Assignee Title
US4563735A (en) * 1982-03-26 1986-01-07 Tokyo Shibaura Denki Kabushiki Kaisha Process controlling method and system involving separate determination of static and dynamic compensation components
DE4234331A1 (de) * 1992-10-12 1994-04-14 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine mit mehreren Druckwerken
US6523468B1 (en) * 1994-02-07 2003-02-25 Heidelberger Druckmaschinen Ag Method for multi-color printing
DE9421695U1 (de) * 1994-09-29 1996-05-15 MAN Roland Druckmaschinen AG, 63075 Offenbach Vorrichtung zur Vermeidung von Passerdifferenzen
DE19652769A1 (de) * 1996-12-18 1998-06-25 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zur Dämpfung von Kontaktschwingungen
DE19914627B4 (de) * 1999-03-31 2011-05-12 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Kompensation der Drehschwingungen einer Druckmaschine
CZ302554B6 (cs) * 2000-10-26 2011-07-13 Heidelberger Druckmaschinen Ag Zpusob kompenzace mechanického kmitání, zejména v tiskarských strojích
DE10149525A1 (de) * 2000-10-26 2002-05-02 Heidelberger Druckmasch Ag Verfahren zur Kompensation mechanischer Schwingungen in Maschinen
DE10217707A1 (de) * 2002-04-17 2003-11-06 Heidelberger Druckmasch Ag Kompensation von Zylinderschwingungen in bedruckstoffverarbeitenden Maschinen
DE10309670A1 (de) * 2003-03-06 2004-09-16 Man Roland Druckmaschinen Ag Regelvorrichtung
DE102004048151B4 (de) * 2004-10-02 2018-06-21 Koenig & Bauer Ag Verfahren zur Optimierung von Antriebsreglern
US7478593B2 (en) 2004-12-23 2009-01-20 Koenig & Bauer Ag Method for making compensations for register deviations
DE102004062110A1 (de) * 2004-12-23 2006-07-13 Koenig & Bauer Ag Verfahren zur Reduzierung von Rotationsschwingungen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218604A1 (de) 1992-06-05 1993-12-09 Heidelberger Druckmasch Ag Antrieb für eine Druckmaschine mit mehreren Druckwerken
DE102004031508A1 (de) 2004-06-30 2006-02-02 Koenig & Bauer Ag Verfahren zur Korrektur von Passerdifferenzen

Also Published As

Publication number Publication date
CN101168321A (zh) 2008-04-30
EP1916106B1 (fr) 2013-01-09
JP5059548B2 (ja) 2012-10-24
US8763529B2 (en) 2014-07-01
US20080098920A1 (en) 2008-05-01
EP1916106A3 (fr) 2009-10-28
DE102006050208A1 (de) 2008-04-30
CN101168321B (zh) 2013-05-08
JP2008105424A (ja) 2008-05-08

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