EP0829352A2 - Système de diagnose - Google Patents

Système de diagnose Download PDF

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Publication number
EP0829352A2
EP0829352A2 EP97115305A EP97115305A EP0829352A2 EP 0829352 A2 EP0829352 A2 EP 0829352A2 EP 97115305 A EP97115305 A EP 97115305A EP 97115305 A EP97115305 A EP 97115305A EP 0829352 A2 EP0829352 A2 EP 0829352A2
Authority
EP
European Patent Office
Prior art keywords
diagnostic system
cylinder
signal
angular position
components
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
EP97115305A
Other languages
German (de)
English (en)
Other versions
EP0829352A3 (fr
EP0829352B1 (fr
Inventor
Reinhard Georg Gross
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
Koenig and Bauer 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
Application filed by Koenig and Bauer Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Priority to EP00128645A priority Critical patent/EP1110730B1/fr
Publication of EP0829352A2 publication Critical patent/EP0829352A2/fr
Publication of EP0829352A3 publication Critical patent/EP0829352A3/fr
Application granted granted Critical
Publication of EP0829352B1 publication Critical patent/EP0829352B1/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
    • B41F33/02—Arrangements of indicating devices, e.g. counters
    • 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
    • B41F13/04—Conveying or guiding webs through presses or machines intermittently

Definitions

  • the invention relates to a diagnostic system for a rotary printing press according to the preamble of claims 1, 2, 9 and 10.
  • a disadvantage of the diagnostic methods shown is that deviations in the angle of rotation are not detected with sufficient accuracy.
  • DE 41 37 979 A1 describes a drive for a printing press.
  • This drive has an angle encoder on each printing unit.
  • the deviations of the signals from the angle transmitters are used to control the printing units by means of a manipulated variable, a knowledge of an earlier measured value acquisition being used to determine the manipulated variable.
  • the invention has for its object to provide a diagnostic system for a rotary printing press.
  • the advantages that can be achieved with the invention consist in particular in that a state of a rotary printing press is monitored. Maintenance times can periodically move due to wear, z. B. rotating components are predicted and then existing downtimes of the rotary printing press are used for maintenance. Production downtimes due to wear are minimized.
  • the rotary pulse generators that are already available for controlling the drive motor are used. Here the output signals of the existing rotary pulse generators are evaluated, whereby the additional effort for the diagnostic system according to the invention is low.
  • the state of wear of the entire printing unit ie also components that are not provided with a rotary pulse generator, can be inferred, since neighboring components also influence a torsional vibration behavior of the component provided with the rotary pulse generator.
  • processing the output signal of the rotary pulse generator in frequency spectra and assigning typical frequencies to certain components it can be concluded that the component has wear or damage.
  • the diagnostic system according to the invention is shown in the drawing and is described in more detail below.
  • a web 1 is printed by means of printing units 2, four printing units 2 in the example shown, in face and reverse printing in a web-fed rotary printing press.
  • Each of these printing units 2 is designed in a bridge construction symmetrical to the web 1.
  • Two rubber cylinders 4, two plate cylinders 6 and the associated inking and dampening units 7, 8 are each mounted in side frames 3 of these printing units 2.
  • the inking units 7 are designed as anilox short inking units, each consisting of an ink transfer roller 9, an anilox roller 11 and a doctor blade device 12.
  • the dampening units 8 are designed, for example, as spray dampening units and essentially consist of three dampening agent transfer rollers 13, 14, 16 and a spray device 17 which interacts with them.
  • the rubber and plate cylinders 4, 6 of a printing unit 2 are connected to one another, for example, via gear transmissions, not shown.
  • Each printing unit 2 is driven by its own drive motor.
  • This drive motor is e.g. B. flanged directly to the respective rubber cylinder 4 or drives it, for example, by means of an intermediate pinion.
  • This rubber cylinder 4 is equipped with a position encoder designed as an angular position encoder, e.g. B. a rotary encoder 18, 19, 21, 22 (z. B. incremental encoder or resolver).
  • the printing units 2 can be connected synchronously by means of a standing shaft. It is also possible to provide each rubber and plate cylinder 4, 6 with its own motor.
  • each rubber and plate cylinder 4, 6 with its own angular position encoder for. B. a rotary encoder 18, 19, 21, 22 may be equipped.
  • an evaluation device 23 essentially consists of four measuring cards 24, 26, 27, 28 assigned to the rotary pulse generators 18, 19, 21, 22, a time base 31, a control unit 32, a data memory 33 and a digital I / A assigned to a computer 34.
  • O card 36 The four measuring cards 24, 26, 27, 28, each connected to a rotary pulse generator 18, 19, 21, 22, are synchronized by the time base 31.
  • this control unit 32 is linked to the time base 31, the data memory 33 and the digital I / O card 36. On the control unit 32 there is a reference psychronization for a start pulse to all Start measuring cards 24, 26, 27, 28 at the same time. In addition, the control unit 32 controls a measurement period, a number of revolutions, the time base 31 and outputs data to the I / O card 36.
  • the data memory 33 is also connected to each measuring card 24, 26, 27, 28.
  • the digital I / O card 36 connects this evaluation device 23 to the computer 34. Settings of the control unit 32 and data transfer are carried out via this I / O card 36.
  • the rotary pulse generators 18, 19, 21, 22 each generate three signals, for example by means of a graduated disk provided with optical markings, which is scanned by opto-electrical converters.
  • the first signal provides a reference pulse, the other two signals offset by 90 ° to each other z. B. 4096, meandering pulses per revolution.
  • the reference pulse and the two signals are fed to the evaluation device 23, which records all signals synchronously in time.
  • a reference signal is also fed to the evaluation device 23.
  • This reference signal consists of a temporally constant pulse sequence, the constant frequency of which is substantially higher than a frequency of the signals of the rotary pulse generators 18, 19, 21, 22.
  • This high-frequency reference signal is generated by means of an oscillator, e.g. B. a quartz crystal.
  • Signals can optionally be compared with one another in the downstream computer 34. So can for example, the signals from rotary pulse generators 18, 19, 21, 22 of two rubber cylinders 4 can be compared with one another during one or more cylinder revolutions.
  • This comparison signal generated in this way of two rubber cylinders 4 is a measure of the relative rotation angle deviation (relative movement) of these rubber cylinders 4 to one another and thus corresponds to a deviation of the register of the web 1. If the signals of the rotary pulse generators 18, 19, 21, 22 with the reference signal of the oscillator in Set relationship, these comparison signals thus determined represent a measure of the absolute rotation angle deviation or for the absolute deviation of the circumferential speed of the rubber cylinder 4.
  • This comparison signal of the uniformity of the cylinders 4, 6 is fed to the computer 34 and compared there with stored, machine-specific, fixed reference signals for certain production conditions (e.g. speed, number of printing units, web material, etc.).
  • machine-typical reference signals were, for example, previously stored for various production conditions on a perfectly functioning rotary printing press in a wear-free and damage-free state or were determined on the basis of theoretical considerations and thus determined.
  • both the comparison signal of the uniformity of the cylinders 4, 6 and the pattern signals can be processed. This can be done, for example, using a fast Fourier analysis (FFT). The signals are broken down into frequency spectra with the associated amplitudes.
  • FFT fast Fourier analysis
  • the cause can be deduced on the basis of their frequency.
  • Damage to components e.g. B. gears or cylinder bearings can be recognized, for example, using this frequency analysis.
  • wear on the teeth of a gearwheel can be seen in a frequency spectrum that corresponds to a multiple of the cylinder rotation corresponding to the number of teeth. It is also possible to detect progressive wear on cylinder bearings and thus to determine maintenance intervals.
  • the deviation of the actual rotation angle position of a cylinder or the deviation of the relative rotation angle position of two cylinders from one another from the associated machine-typical reference signal is used as a measure of the wear or damage to components.
  • This state of wear of certain components is continuously monitored and communicated to an operator, for example on a screen of a control center.
  • the operator must then, for example, upon reaching a first limit value previously set, for example by the machine manufacturer, acknowledge the message about the state of wear and the machine manually release.
  • a second limit value is reached, for example, the machine or at least the relevant unit is stopped.
  • the rotary pulse generators 18, 19, 21, 22 required for controlling the motors of the printing units 2 are used to generate the measurement signals.
  • Cylinders of other units, such as reel changer, feed mechanism or folder, assigned rotary pulse generators 18, 19, 21, 22 can be used for the evaluation and conclusions can be drawn about the state of wear of certain, periodically moving components of these units. For example, a profile of a cutting force of a cylinder involved in a cutting process, e.g. B. a cutting cylinder can be determined in the folder and conclude from this on the state of wear of, for example, cutting strips or cutting knives.
  • rotary pulse generators 18, 19, 21, 22 already required for the drive motors
  • other rotary pulse generators can also be used on periodically moving, e.g. B. rotating components, e.g. B. on all cylinders 4, 6, may be provided.
  • the measurement signals or the evaluation of the measurement signals can be saved. This stored data can be called up for remote diagnosis if necessary, for example via a modem or ISDN method.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Control Of Presses (AREA)
EP97115305A 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative Expired - Lifetime EP0829352B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00128645A EP1110730B1 (fr) 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19636987 1996-09-12
DE19636987A DE19636987C2 (de) 1996-09-12 1996-09-12 Vorrichtung zur Diagnose bei einer Rotationsdruckmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP00128645A Division EP1110730B1 (fr) 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative

Publications (3)

Publication Number Publication Date
EP0829352A2 true EP0829352A2 (fr) 1998-03-18
EP0829352A3 EP0829352A3 (fr) 1998-11-25
EP0829352B1 EP0829352B1 (fr) 2001-11-07

Family

ID=7805308

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97115305A Expired - Lifetime EP0829352B1 (fr) 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative
EP00128645A Expired - Lifetime EP1110730B1 (fr) 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP00128645A Expired - Lifetime EP1110730B1 (fr) 1996-09-12 1997-09-04 Procédé de diagnose pour une machine rotative

Country Status (4)

Country Link
US (1) US5865120A (fr)
EP (2) EP0829352B1 (fr)
JP (1) JP2978136B2 (fr)
DE (3) DE19636987C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0976556A1 (fr) * 1998-07-18 2000-02-02 MAN Roland Druckmaschinen AG Système d'entretien et diagnostic pour une machine d'impression
EP2116378B1 (fr) * 2008-05-08 2015-10-21 manroland web systems GmbH Procédé destiné au fonctionnement d'une presse

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6301373B1 (en) * 1998-10-01 2001-10-09 Mcgill University Paper quality determination and control using scale of formation data
US6244175B1 (en) * 2000-03-27 2001-06-12 Hueiloo Co., Ltd. Single space rotary printing press for newspapers
US6543350B2 (en) * 2000-05-19 2003-04-08 Intelligent Sensing, Inc. Measurement system to monitor printing contact pressure
DE10259494B4 (de) * 2002-01-21 2017-01-26 Heidelberger Druckmaschinen Ag Verfahren zum Steuern einer Druckmaschine
CA2440792A1 (fr) * 2002-09-27 2004-03-27 Mechworks Systems Inc. Methode et systeme de controle en ligne de l'etat de machines rotatives multietagees
WO2004070490A2 (fr) * 2003-02-04 2004-08-19 Netstal-Maschinen Ag Unite de maintenance/service et procede de gestion assistee par ordinateur de maintenance et/ou service
DE10335862B4 (de) * 2003-08-06 2007-01-04 Koenig & Bauer Ag Verfahren zum Kalibrieren eines inkrementalen Winkelgebers an einem rotierenden Bauteil
DE102005013361B4 (de) * 2005-03-23 2017-04-13 Manroland Web Systems Gmbh Verfahren zur Regelung eines Falzapparats einer Druckmaschine
DE102005023482B3 (de) * 2005-05-21 2006-11-16 Koenig & Bauer Ag Verfahren zur Diagnose eines Gummituches
DE102005042932A1 (de) 2005-09-09 2007-03-22 Man Roland Druckmaschinen Ag Druckmaschine, insbesondere Rollendruckmaschine
DE102006048353B4 (de) * 2005-11-07 2013-07-25 Heidelberger Druckmaschinen Ag Redundant ausgewerteter Winkelgeber
US7287473B2 (en) * 2005-12-20 2007-10-30 Heidelberger Druckmaschinen Ag Method for selecting printing material in a printing press and printing press
US9863917B2 (en) * 2006-03-20 2018-01-09 Clarkson University Method and system for real-time vibroacoustic condition monitoring and fault diagnostics in solid dosage compaction presses
DE102007020120B4 (de) 2007-04-28 2011-11-17 Koenig & Bauer Aktiengesellschaft Verfahren zur Bestimmung von kinematischen Abwickelfehlern an Rotationsdruckmaschinen
DE102007054565B3 (de) * 2007-11-15 2008-07-03 Man Roland Druckmaschinen Ag Verfahren zum Betreiben einer Bogendruckmaschine
US20110225799A1 (en) * 2010-03-18 2011-09-22 Casio Computer Co., Ltd. Production apparatus and production method of light emitting device
FR2989924A1 (fr) * 2012-04-27 2013-11-01 Goss Int Corp Tour d'impression offset pour presse rotative
SE543357C2 (en) * 2018-06-29 2020-12-15 Baldwin Jimek Ab Service tracking system for spray bars and the like
DE102021103214A1 (de) 2021-02-11 2022-08-11 Koenig & Bauer Ag Verfahren zur Maschinenüberwachung während des Betriebes einer Verarbeitungsmaschine
DE102022110168B3 (de) 2022-04-27 2023-05-17 Heidelberger Druckmaschinen Aktiengesellschaft Funktionsüberwachung von Transportbändern in der Druckmaschine

Citations (5)

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Publication number Priority date Publication date Assignee Title
FR2105663A5 (fr) * 1970-09-16 1972-04-28 Chambon Automation
DE3707866A1 (de) * 1986-03-17 1987-10-01 Bobst Sa Verfahren und vorrichtung fuer die steuerung der einstellung der organe von druckerei- und kartoniermaschinen
DE4136785A1 (de) * 1991-11-08 1993-05-13 Kba Planeta Ag Diagnoseeinrichtung fuer eine takterzeugungseinrichtung an druckmaschinen
DE4137979A1 (de) * 1991-11-19 1993-05-27 Heidelberger Druckmasch Ag Antrieb fuer eine druckmaschine mit mehreren druckwerken
DE19505692A1 (de) * 1995-02-20 1996-08-22 Roland Man Druckmasch Druckmaschine

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US3713571A (en) * 1971-05-18 1973-01-30 Dale Prod Inc Method and apparatus for feeding strip material
US4528630A (en) * 1982-09-14 1985-07-09 Oao Corporation Automatic registration control method and apparatus
FR2716935B1 (fr) * 1994-03-07 1996-05-31 Solex Collecteur d'admission à impédance modulable et faible perte de charge.
US5615609A (en) * 1995-08-21 1997-04-01 The Lawrence Paper Company System and method for controlling AC motor driven multi-unit printing press
US5678159A (en) * 1996-06-26 1997-10-14 Xerox Corporation Sheet registration and deskewing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105663A5 (fr) * 1970-09-16 1972-04-28 Chambon Automation
DE3707866A1 (de) * 1986-03-17 1987-10-01 Bobst Sa Verfahren und vorrichtung fuer die steuerung der einstellung der organe von druckerei- und kartoniermaschinen
DE4136785A1 (de) * 1991-11-08 1993-05-13 Kba Planeta Ag Diagnoseeinrichtung fuer eine takterzeugungseinrichtung an druckmaschinen
DE4137979A1 (de) * 1991-11-19 1993-05-27 Heidelberger Druckmasch Ag Antrieb fuer eine druckmaschine mit mehreren druckwerken
DE19505692A1 (de) * 1995-02-20 1996-08-22 Roland Man Druckmasch Druckmaschine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HERBERT STöCKL UND HANS MAMBERER: 'Kann Dublieren als Folge von Drehschwingungen auftreten?' DER POLYGRAPH Oktober 1974, Seiten 729 - 734 *
PROF. DR. SC. TECHN. RUDOLF RUDER ET AL.: "Erhöhung der Zuverlässigkeit polygraphischer Maschinen durch technische Diagnose" PAPIER UND DRUCK, Bd. 7, 1983, ALLGEMEINER TEIL, Seiten 100-104, XP002075846 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0976556A1 (fr) * 1998-07-18 2000-02-02 MAN Roland Druckmaschinen AG Système d'entretien et diagnostic pour une machine d'impression
EP2116378B1 (fr) * 2008-05-08 2015-10-21 manroland web systems GmbH Procédé destiné au fonctionnement d'une presse

Also Published As

Publication number Publication date
JPH1086342A (ja) 1998-04-07
US5865120A (en) 1999-02-02
DE19636987C2 (de) 2000-03-23
EP1110730B1 (fr) 2003-03-19
EP1110730A3 (fr) 2001-08-22
JP2978136B2 (ja) 1999-11-15
DE59709591D1 (de) 2003-04-24
DE59705254D1 (de) 2001-12-13
EP0829352A3 (fr) 1998-11-25
DE19636987A1 (de) 1998-03-19
EP0829352B1 (fr) 2001-11-07
EP1110730A2 (fr) 2001-06-27

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