EP0490106A1 - Vorrichtung zum Verhindern von Druckwerkschäden - Google Patents

Vorrichtung zum Verhindern von Druckwerkschäden Download PDF

Info

Publication number
EP0490106A1
EP0490106A1 EP91119322A EP91119322A EP0490106A1 EP 0490106 A1 EP0490106 A1 EP 0490106A1 EP 91119322 A EP91119322 A EP 91119322A EP 91119322 A EP91119322 A EP 91119322A EP 0490106 A1 EP0490106 A1 EP 0490106A1
Authority
EP
European Patent Office
Prior art keywords
web
printing
cooling
unit
preventing
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.)
Ceased
Application number
EP91119322A
Other languages
German (de)
English (en)
French (fr)
Inventor
Klaus T. Reichel
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 AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0490106A1 publication Critical patent/EP0490106A1/de
Ceased legal-status Critical Current

Links

Images

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
    • B65H23/044—Sensing web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/18—Web break detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/20—Safety devices preventing damage

Definitions

  • the invention relates to a device for preventing printing unit damage in web-fed rotary printing presses, in particular in offset web-fed rotary printing presses, which comprise a dryer and a cooling unit, with a printing material web monitoring device and with a device for separating or winding up the print carrier web when a web break occurs.
  • Such a device is known from DE-PS 21 56 505.
  • the disadvantage of these known devices is that the pairs of rollers used to wind up the torn print carrier web can only be activated when a tear of the print carrier web, i.e. a so-called paper tear is found.
  • tearing of the printing material web is detected by means of photoelectric monitoring devices, which are preferably arranged on both sides of the printing material web.
  • the photoelectric device responds and the paper catching device, i.e. the capture rollers activated, i.e. against each other, so that the torn printing material web is wound up and thus damage to a printing unit is prevented by so-called winders.
  • the object of the present invention is to create a device with which the response speed can again be considerably reduced.
  • a particular advantage of the invention is that the web tension drop in a web break is determined much earlier than the deflection of the web after its web break, so that, for example, the catching roller pairs or knock-off devices used can be activated much earlier than in the known systems. This increases the security of such systems, i.e. the protection of the printing units from damage due to occurring winders is significantly improved.
  • the present invention is preferably used in an offset web-fed rotary printing press (commercial printing press) 1 according to FIG. 1.
  • the last printing unit 2 is indicated schematically, which in the usual way comprises two blanket cylinders 3, 4, each with a plate cylinder 5 or 6 that can be placed on them, the printing material web 7 being passed between the two blanket cylinders 3, 4.
  • the printing material web 7 passes through a paper web catching device 8 which, for example, can have two catching rollers 9, 10 spaced apart from one another, between which the printing material web 7 is passed without contact during normal operation.
  • the catch rollers 9, 10 are activated by a trigger device 11 when the torn printing material web 7 is to be rolled up so that it is not drawn into the last printing unit 2, where it could cause considerable damage to the printing unit cylinders 3 to 6.
  • the printing material web 7 then passes in a conventional manner through a dryer 12, which is followed by a cooling unit 13 with cooling rollers 14, 15, 16, 17.
  • the first cooling roller 14 is preferably provided with a measurement sensor 18, which may consist, for example, of a strain gauge or a piezoelectric element.
  • the transducer 18 is arranged in a side wall 19 of the rotary printing press 1, preferably on the journal 20 of the first cooling roller 14 or on the bearing 21 in which the journal 20 is mounted in the printing unit side wall 19.
  • the cooling roller 14 is mounted on the left side in a conventional manner in a side wall 22 as shown in FIG. 2.
  • the printing material web 7 should wrap around the cooling roller 14 by at least 60 °.
  • the strain gauge or the transducer 23 is connected via lines 24, 25 to a computing or control unit 26, which can be a process computer.
  • a computing or control unit 26 which can be a process computer.
  • the bearing forces are recorded or evaluated in the form of changes in the electrical signals generated by the strain gauge.
  • setpoint and actual value comparisons can also be made with the measured values, the operationally relevant data stored in the process computer 26, such as the dead weight of the cooling roller 14 and the printing material web 7, and machine-specific dynamic behavior (stopping, starting up, etc.). are taken into account.
  • Safety device 8 can activate a print carrier web chopping device 28 via the trigger device 11 or, as shown in broken lines in FIG. 1, via a line 29. Activation can take place when the web tension drops below a specified value or at a value of 0.
  • the response behavior of the device according to the invention or the method working according to it can thus be significantly improved in comparison to known systems.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP91119322A 1990-12-07 1991-11-13 Vorrichtung zum Verhindern von Druckwerkschäden Ceased EP0490106A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4039108 1990-12-07
DE4039108A DE4039108C1 (enrdf_load_stackoverflow) 1990-12-07 1990-12-07

Publications (1)

Publication Number Publication Date
EP0490106A1 true EP0490106A1 (de) 1992-06-17

Family

ID=6419827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119322A Ceased EP0490106A1 (de) 1990-12-07 1991-11-13 Vorrichtung zum Verhindern von Druckwerkschäden

Country Status (4)

Country Link
US (1) US5188028A (enrdf_load_stackoverflow)
EP (1) EP0490106A1 (enrdf_load_stackoverflow)
JP (1) JPH04275152A (enrdf_load_stackoverflow)
DE (1) DE4039108C1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1099553A3 (de) * 1999-11-09 2002-12-11 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung und Verfahren zum Verhindern von Wicklern in einer Rollenrotationsdruckmaschine

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232163C3 (de) * 1992-09-25 2001-09-06 Koenig & Bauer Ag Vorrichtung zum Aufrechterhalten einer eingestellten Anpressung einer Farbauftragswalze an einem Formzylinder einer Rotationsdruckmaschine
DE4311774A1 (de) * 1993-04-08 1994-10-13 Heidelberger Druckmasch Ag Sicherheitsvorrichtung für eine Rotationsdruckmaschine zum Drucken auf Bahnen
DK0732996T3 (da) * 1993-12-11 1999-06-23 Eltex Elektrostatik Gmbh Anordning samt fremgangsmåde til fremstilling af med påtryk forsynede ark
US6336106B1 (en) 1994-02-15 2002-01-01 R.R. Donnelley & Sons Company System and method for partitioning a real-valued attribute exhibiting windowed data characteristics
US5694524A (en) * 1994-02-15 1997-12-02 R. R. Donnelley & Sons Company System and method for identifying conditions leading to a particular result in a multi-variant system
US6507832B1 (en) 1994-02-15 2003-01-14 R.R. Donnelley & Sons Company Using ink temperature gain to identify causes of web breaks in a printing system
US6098063A (en) * 1994-02-15 2000-08-01 R. R. Donnelley & Sons Device and method for identifying causes of web breaks in a printing system on web manufacturing attributes
CH688137A5 (de) * 1994-05-20 1997-05-30 De La Rue Giori Sa Rotations-Rollendruckmaschine mit einer Registervorrichtung zum Ausrichten der Papierbahn.
US5486063A (en) * 1995-01-09 1996-01-23 Intermec Incorporated Method and apparatus for sensing the length of label or tag media by detecting changes in relative thickness
JP3255070B2 (ja) * 1997-01-24 2002-02-12 株式会社東京機械製作所 乾燥用加熱ローラーを具備した輪転機
US5978004A (en) * 1997-03-31 1999-11-02 Zebra Technologies Corporation Label printer with label edge sensor
US20020128990A1 (en) * 1997-05-01 2002-09-12 Kaminskas Paul A. Control methodology and apparatus for reducing delamination in a book binding system
DE19827190A1 (de) 1998-06-18 1999-12-23 Koenig & Bauer Ag Verfahren und Vorrichtung zur Überwachung einer Materialbahn
FR2783199B1 (fr) * 1998-09-10 2000-12-01 Heidelberger Druckmasch Ag Dispositif automatique de capture d'une bande de matiere dans une machine d'impression rotative
DE19952917C1 (de) * 1999-11-03 2001-06-13 Vits Maschinenbau Gmbh Vorrichtung zum Kühlen einer durchlaufenden flexiblen Bahn
EP1158092B1 (de) * 2000-05-24 2006-09-06 Voith Paper Patent GmbH Trockenpartie
DE10027442B4 (de) * 2000-06-02 2005-12-01 Man Roland Druckmaschinen Ag Verfahren und Vorrichtung zur Detektion von Bahnrissen
DE10027441A1 (de) * 2000-06-02 2001-12-06 Roland Man Druckmasch Verfahren und Vorrichtung zur Verhinderung von Maschinenschäden
EP1201429B1 (de) * 2000-10-24 2012-06-27 Goss Contiweb B.V. Verfahren und Vorrichtung zum Kühlen einer Materialbahn
US6752013B2 (en) * 2000-11-29 2004-06-22 Heidelberger Druckmaschinen Ag Device and method for web tension measurement
EP1725487A2 (en) * 2004-01-30 2006-11-29 ZIH Corp. Self calibrating media edge sensor
DE102005037496A1 (de) * 2005-08-09 2007-02-15 Man Roland Druckmaschinen Ag Überwachungseinrichtung einer Folienführung
JP2007307889A (ja) * 2006-04-19 2007-11-29 Komori Corp 印刷機のウェブ検出装置
DE102006044488B4 (de) * 2006-09-21 2010-04-15 Windmöller & Hölscher Kg Verfahren zur Ermittlung einer Rapportlängen-Bahnspannungs-Funktion an einer Druckmaschine und Regelungshilfsvorrichtung zur Durchführung
DE102009047776B4 (de) * 2009-09-30 2012-04-26 Eastman Kodak Co. Verfahren und Vorrichtung zum Messen einer Laufrichtung einer Substratbahn
US20220002107A1 (en) * 2020-07-01 2022-01-06 CSG Holding, Inc. Webtension transducer load cell with integrated data interface

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1589601A (enrdf_load_stackoverflow) * 1968-10-21 1970-03-31
GB2103810A (en) * 1981-07-24 1983-02-23 Componenti Grafici Srl Detecting tension and breakage in sheet material
EP0349821A2 (de) * 1988-07-02 1990-01-10 Koenig & Bauer Aktiengesellschaft Einrichtung zum Messen der Bahnspannung einer Warenbahn

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031152A (en) * 1958-04-28 1962-04-24 Dusenbery Co John Improved apparatus for measuring, indicating, and controlling web tension
US3936008A (en) * 1974-07-01 1976-02-03 Harris Corporation Reel stand tension control system
DE3215473C2 (de) * 1982-04-24 1985-03-07 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Verhindern von Druckwerksschäden bei Druckträgerbahnrissen
DE3309558C2 (de) * 1983-03-17 1985-04-18 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bedruckstoffbahnfangvorrichtung
US4549701A (en) * 1983-12-16 1985-10-29 Beloit Corporation Web tension load cell
DE3431686A1 (de) * 1984-08-29 1986-04-24 Werner J. 8901 Diedorf Kotterer Vorrichtung zum verhindern maschinenschaedigender wickler
DE3437455C2 (de) * 1984-10-12 1986-08-28 Werner J. 8901 Diedorf Kotterer Vorrichtung zum Verhindern eines Wicklers im Falle eines Bahnrisses
DE3500719C2 (de) * 1985-01-11 1986-11-06 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zur Vermeidung von Druckwerksschäden in einer Rollenrotationsdruckmaschine
DD244105A1 (de) * 1985-12-13 1987-03-25 Hank Dietrich Dr Ing Sicherheitsvorrichtung zum steuern einer rollenrotationsdruckmaschine
DE3608182A1 (de) * 1986-03-12 1987-10-01 Roland Man Druckmasch Vorrichtung zur regelung der spannung einer drucktraegerbahn mit einer notstoppeinrichtung
FR2618769B1 (fr) * 1987-07-29 1990-10-12 Monomatic Sa Machine a derouler des bandes comportant des tours porte-bobines
DE3731214A1 (de) * 1987-09-17 1989-03-30 Koenig & Bauer Ag Vorrichtung fuer das gesteuerte zufuehren von bandmaterial zu druckmaschinen, sowie ein verfahren und eine vorrichtung zur durchfuehrung des verfahrens zur regelung eines entsprechenden steuersignals
DE3910556C1 (enrdf_load_stackoverflow) * 1989-04-01 1990-10-11 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US4958111A (en) * 1989-09-08 1990-09-18 Gago Noel J Tension and web guiding system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1589601A (enrdf_load_stackoverflow) * 1968-10-21 1970-03-31
GB2103810A (en) * 1981-07-24 1983-02-23 Componenti Grafici Srl Detecting tension and breakage in sheet material
EP0349821A2 (de) * 1988-07-02 1990-01-10 Koenig & Bauer Aktiengesellschaft Einrichtung zum Messen der Bahnspannung einer Warenbahn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1099553A3 (de) * 1999-11-09 2002-12-11 Heidelberger Druckmaschinen Aktiengesellschaft Vorrichtung und Verfahren zum Verhindern von Wicklern in einer Rollenrotationsdruckmaschine

Also Published As

Publication number Publication date
DE4039108C1 (enrdf_load_stackoverflow) 1992-04-16
JPH04275152A (ja) 1992-09-30
US5188028A (en) 1993-02-23

Similar Documents

Publication Publication Date Title
EP0490106A1 (de) Vorrichtung zum Verhindern von Druckwerkschäden
EP0476437B1 (de) Verfahren und Vorrichtung zum Fangen einer gerissenen Bedruckstoffbahn
EP0424874B1 (de) Verfahren und Einrichtung zum Vermindern von Makulatur in Rollenrotationsdruckmaschinen
DE69629319T2 (de) Vorrichtung zum Verhindern eines Wicklers in Druckmaschinen
DE69318285T2 (de) Vorrichtung zum Verhindern des Aufwickelns in Bahndruckmaschinen
DE4130679C2 (de) Vorrichtung zum Verhindern von Druckwerkschäden
DE10338973B4 (de) Verfahren und Vorrichtung zur Störungserfassung beim Transport einer Materialbahn
EP0119537A2 (de) Papierbahnfangvorrichtung
DE19754152A1 (de) Bahnhaltevorrichtung im Überbau einer Rotationsdruckmaschine
DE3537014C2 (enrdf_load_stackoverflow)
DE19611878B4 (de) Verfahren zur Störungserfassung im Transport einer durchgehenden Papierbahn in einer Druckmaschine
EP3934997B1 (de) Rollenschneidmaschinen-antrieb
DE3881761T2 (de) Vorrichtung um das Aufrollen der Bahn in Druckmaschinen zu vermeiden.
DE4201481A1 (de) Einrichtung zur handhabung von materialbahnen in verarbeitungsmaschinen
DE10027442B4 (de) Verfahren und Vorrichtung zur Detektion von Bahnrissen
DE19822375C2 (de) Verfahren zur Verhinderung von technischen Schäden an einer Rollenrotationsdruckmaschine
DE3938478C2 (enrdf_load_stackoverflow)
EP0895860A2 (de) Vorrichtung zur Verhinderung von Druckwerksbeschädigungen
EP0703077B1 (de) Einrichtung zum Verhindern von Druckwerksschäden
DE2211598C3 (de) Vorrichtung zur Steuerung der Bahnspannung bei Rollenrotationsdruckmaschinen
DE4105181C2 (de) Vorrichtung und Verfahren zur Überwachung von Fäden, Drähten, Kabeln oder Bändern
DE10312384B3 (de) Verfahren zum Überwachen einer laufenden Bahn auf einem Abriss und Durchführung des Verfahrens geeignete Vorrichtung
DE10244218A1 (de) Vorrichtung zur Reinigung eines Zylinders einer Bedruckstoff verarbeitenden Maschine
DE102008000743A1 (de) Folienführung in einem Kaltfolienaggregat
DE102005041919A1 (de) Bahnbruch-Überwachungseinrichtung für Rollenrotationsdruckmaschinen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19920713

17Q First examination report despatched

Effective date: 19931228

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19941224