EP2206666A1 - Procédé d'enregistrement d'une erreur sur une bande de matériau - Google Patents

Procédé d'enregistrement d'une erreur sur une bande de matériau Download PDF

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Publication number
EP2206666A1
EP2206666A1 EP09405001A EP09405001A EP2206666A1 EP 2206666 A1 EP2206666 A1 EP 2206666A1 EP 09405001 A EP09405001 A EP 09405001A EP 09405001 A EP09405001 A EP 09405001A EP 2206666 A1 EP2206666 A1 EP 2206666A1
Authority
EP
European Patent Office
Prior art keywords
roll
material web
web
length
error
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.)
Withdrawn
Application number
EP09405001A
Other languages
German (de)
English (en)
Inventor
David Perrett
Fabian Bönsch
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.)
3A Composites International AG
Original Assignee
3A Technology and Management 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 3A Technology and Management AG filed Critical 3A Technology and Management AG
Priority to EP09405001A priority Critical patent/EP2206666A1/fr
Publication of EP2206666A1 publication Critical patent/EP2206666A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs

Definitions

  • the invention relates to a method for registering a defect on a material web prior to winding the material web into a roll of material and recognizing the defect when unwinding the material web from the roll of material, in which method for determining an error on the material web to be wound at the time of the appearance of the defect used at an observation location wound length of the material web is used.
  • the marking device has an automatic or manually remotely controllable application device with an application head for a contact application of a colored liquid on the web.
  • WO 99/10833 A1 is a monitoring system for moving material webs known.
  • the system includes a video camera positioned close to the web which provides images of the web surface to an image processing system in real time. Errors can also be detected with the image processing system.
  • the entire web of material is recorded by the video camera, and the images can interactively during recording or for a detailed examination after rewinding z. B. be viewed in slow motion.
  • Video cameras are not well-suited to detecting true imperfections because setting appropriate sensitivity is not easy.
  • the invention has for its object to provide a method of the type mentioned, which allows a simple way and regardless of the length of the wound material web accurate localization of defects.
  • the diameter of the winding containing the error of the web when winding the web to the roll of material as the comparison value for recognizing the error in unwinding of the web is determined by the roll of material.
  • the length of the material web wound up per revolution of the roll of material is measured, and the diameter of the winding of the material web having the defect on the roll of material is calculated therefrom.
  • the length is measured to perform from 1 to 10, for example, about 3 to 6 revolutions and an average value for calculating the diameter determined.
  • the ideal length of the wound material web and the thickness of the material is taken into account, since z. B. 2 mm of a 20 micron thick material on a large scale more material (running meter) are than 2 mm of a 100 micron thick material.
  • an operator may trigger a signal to measure and store the time and length of the web wound at n revolutions of the roll of material.
  • the appearance of a fault at the point of observation can also be detected automatically and trigger a signal to measure and store the time and length of the wound at n revolutions of the material roll web.
  • the diameters assigned to all faults are preferably stored electronically in a so-called shop floor system (shop floor system) and reused in the next processing step. If a video train monitoring system is installed, an image with the error could also be saved.
  • the radius of the winding containing the fault is measured by measuring the distance between a fixedly mounted and non-contact length measuring sensor and the surface of the wound material web on the roll of material along a measuring beam directed perpendicular to the material web determined.
  • an operator can trigger a signal to store the distance measured by the length measuring sensor.
  • the appearance of a fault at the point of observation can also be detected automatically and trigger a signal to store the distance measured by the length measuring sensor.
  • first processing step A for example, from a first plastic film by extrusion lamination with a second plastic film a sheet-shaped material web 10 - z.
  • B a packaging film of a thickness of for example 40 microns - prepared and then wound onto a cylindrical winding core 12 to a roll of material 16.
  • the winding core 12 comprises a drive shaft 14, which can be set in rotation by means of a control in the direction of belt travel y via a drive unit, not shown in the drawing.
  • the number of revolutions which is ideal for a length measurement is between 1 and about 10, with average web running speeds of about 100 to 200 m / minute between about 3 and 6.
  • the length L of the wound up or unwound web 10 is registered continuously.
  • a time t 1 is determined for a length L 1 .
  • the length L 2 is determined at a time t 2 .
  • the diameter D F is determined for a mean value (t 1 + t 2 ) / 2 with a time measurement of ⁇ 1 second which is sufficiently accurate for later finding of the error F.
  • the associated diameter D F at the beginning and at the end of the error and the length of the error (running meter) are stored in a computer system.
  • the triggering of the length measurement when an error occurs can, for. B. by an operator by pressing a button.
  • the length measurement can also be triggered automatically by arranging a corresponding error detection system.
  • the finished wound roll of material 16 of Fig. 1 will now according to Fig. 2 unwound and fed to a next processing stage B.
  • the number n revolutions of the material roll 16 and the length L x of the wound up or unwound web 10 is continuously registered continuously, and from this the actual diameter D x of the material roll 16 corresponding to each length L x is calculated.
  • a previous removal of the outermost few turns when setting up the material web 10 for further processing in the subsequent processing stage B has no influence on the calculation of the instantaneous Diameter D x .
  • An operator may at this time either remove the error F before processing stage B, or allow the error F to pass through the processing stage B and, if appropriate, locate and remove it before entering a further processing stage C in the same manner described.
  • R F the instantaneous radius corresponding to the half instantaneous diameter D F / 2 of the material roll 16 is designated.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP09405001A 2009-01-07 2009-01-07 Procédé d'enregistrement d'une erreur sur une bande de matériau Withdrawn EP2206666A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09405001A EP2206666A1 (fr) 2009-01-07 2009-01-07 Procédé d'enregistrement d'une erreur sur une bande de matériau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09405001A EP2206666A1 (fr) 2009-01-07 2009-01-07 Procédé d'enregistrement d'une erreur sur une bande de matériau

Publications (1)

Publication Number Publication Date
EP2206666A1 true EP2206666A1 (fr) 2010-07-14

Family

ID=40666708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09405001A Withdrawn EP2206666A1 (fr) 2009-01-07 2009-01-07 Procédé d'enregistrement d'une erreur sur une bande de matériau

Country Status (1)

Country Link
EP (1) EP2206666A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2857201A1 (fr) * 2013-10-01 2015-04-08 Goss International Americas, Inc. Presse et procédé de tâche de suivi d'événements de rouleau
DE102014005347A1 (de) * 2014-04-11 2015-10-15 Texmag Gmbh Vertriebsgesellschaft Verfahren und Vorrichtung zur lnspektion und zur Konfektionierung einer laufenden Warenbahn
DE102017108496A1 (de) * 2017-04-21 2018-10-25 Windmöller & Hölscher Kg Verfahren und Vorrichtungen sowie System zum Auf- und Abwickeln eines Wickels
SE2151019A1 (en) * 2021-08-24 2023-02-25 Valmet Oy System and methods for the calculation of additional local stretching in a web

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951223A (en) * 1989-03-28 1990-08-21 Langdon Wales R Web material inspection system
US5628574A (en) * 1996-03-19 1997-05-13 Roll Systems, Inc. Web error recovery divert system
WO1999010833A1 (fr) 1997-08-27 1999-03-04 Datacube, Inc. Systeme d'inspection de bandes de materiau permettant d'analyser des bandes en mouvement
US5949550A (en) * 1997-08-21 1999-09-07 Consolidated Papers, Inc. Method and apparatus for detecting defects in a moving web
DE19847466A1 (de) 1998-10-15 2000-04-20 Lemo Maschb Gmbh Verfahren und Vorrichtung zum Erkennen von Fehlerstellen an abwickelbaren Warenbahnen, insbesondere Kunststoffbahnen
WO2003087794A1 (fr) * 2002-04-05 2003-10-23 Vacuumatic Limited Systeme et procede de marquage de bande
DE202004014157U1 (de) 2004-09-09 2006-02-09 Planatol Klebetechnik Gmbh Markiereinrichtung
US20070095451A1 (en) * 2005-10-28 2007-05-03 The Boeing Company Systems and methods for tape flaw and splice avoidance in manufacturing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951223A (en) * 1989-03-28 1990-08-21 Langdon Wales R Web material inspection system
US5628574A (en) * 1996-03-19 1997-05-13 Roll Systems, Inc. Web error recovery divert system
US5949550A (en) * 1997-08-21 1999-09-07 Consolidated Papers, Inc. Method and apparatus for detecting defects in a moving web
WO1999010833A1 (fr) 1997-08-27 1999-03-04 Datacube, Inc. Systeme d'inspection de bandes de materiau permettant d'analyser des bandes en mouvement
DE19847466A1 (de) 1998-10-15 2000-04-20 Lemo Maschb Gmbh Verfahren und Vorrichtung zum Erkennen von Fehlerstellen an abwickelbaren Warenbahnen, insbesondere Kunststoffbahnen
WO2003087794A1 (fr) * 2002-04-05 2003-10-23 Vacuumatic Limited Systeme et procede de marquage de bande
DE202004014157U1 (de) 2004-09-09 2006-02-09 Planatol Klebetechnik Gmbh Markiereinrichtung
US20070095451A1 (en) * 2005-10-28 2007-05-03 The Boeing Company Systems and methods for tape flaw and splice avoidance in manufacturing

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2857201A1 (fr) * 2013-10-01 2015-04-08 Goss International Americas, Inc. Presse et procédé de tâche de suivi d'événements de rouleau
EP2857201B1 (fr) 2013-10-01 2017-07-26 Goss International Americas, Inc. Presse et procédé de tâche de suivi d'événements de rouleau
DE102014005347A1 (de) * 2014-04-11 2015-10-15 Texmag Gmbh Vertriebsgesellschaft Verfahren und Vorrichtung zur lnspektion und zur Konfektionierung einer laufenden Warenbahn
DE102017108496A1 (de) * 2017-04-21 2018-10-25 Windmöller & Hölscher Kg Verfahren und Vorrichtungen sowie System zum Auf- und Abwickeln eines Wickels
US11148894B2 (en) 2017-04-21 2021-10-19 Windmöller & Hölscher Kg Method and devices and system for winding and unwinding a reel
EP3392174B1 (fr) * 2017-04-21 2022-10-26 Windmöller & Hölscher KG Procédé et dispositif ainsi que système d'enroulement et de déroulement d'une bobine
DE102017108496B4 (de) 2017-04-21 2023-06-29 Windmöller & Hölscher Kg Verfahren und Vorrichtungen sowie System zum Auf- und Abwickeln eines Wickels
SE2151019A1 (en) * 2021-08-24 2023-02-25 Valmet Oy System and methods for the calculation of additional local stretching in a web
SE545535C2 (en) * 2021-08-24 2023-10-17 Valmet Oy System and methods for the calculation of additional local stretching in a web

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