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WO1993015008A1 - Commande a boucle fermee s'utilisant pour une machine a enrouler une bande - Google Patents

Commande a boucle fermee s'utilisant pour une machine a enrouler une bande Download PDF

Info

Publication number
WO1993015008A1
WO1993015008A1 PCT/US1993/000695 US9300695W WO9315008A1 WO 1993015008 A1 WO1993015008 A1 WO 1993015008A1 US 9300695 W US9300695 W US 9300695W WO 9315008 A1 WO9315008 A1 WO 9315008A1
Authority
WO
WIPO (PCT)
Prior art keywords
roll
density
web
wound
basis weight
Prior art date
Application number
PCT/US1993/000695
Other languages
English (en)
Inventor
Philipp W. Smith
Original Assignee
Beloit Technologies, Inc.
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 Beloit Technologies, Inc. filed Critical Beloit Technologies, Inc.
Publication of WO1993015008A1 publication Critical patent/WO1993015008A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/12—Density

Definitions

  • This invention relates in general to a web winding machine for paper and other products and particularly to a closed loop control for a web winding machine.
  • U. S. Patent 4,638,657 is to a device for measuring the winding hardness of a strip especially a strip of paper wound into a reel.
  • the first method is the most widely implemented. It involves a human "expert” who determines what the optimum setting is for the parameters should be for "ideal" roll structure. There are typically different curves for different grades and roll diameters. The major problem with this method is that it is based upon the assumption that the paper properties and machine characteristics are constant. This is not a valid assumption. Web caliper and basis weight may vary independently by as much as 10% within a roll of material. Hence, the preset curves may produce different roll structures for different rolls of the same grade and diameter.
  • the second method involves a technique known as "feed forwarding". This method involves measuring either the roll structure or wound roll density during a particularly run. The computer then modifies the parameters affecting roll structure according to a set rules or tables in order to produce the desired roll structure. The next roll is then wound with each of the parameters. This process is repeated roll after roll.
  • the major problem with this method is that it assumes that there is a statistical trending to the web properties and the way it reacts to the various parameters affecting roll structure.
  • the primary diagnostic tool is wound roll density. This measurement is highly influenced by variations and web caliper and basis weight. Neither of these variables can be statistically trended with any reasonable amount of confidence.
  • FIG. 1 illustrates the invention
  • FIG. 2 is an end view of a reel showing its diameter at two different locations
  • FIGS. 3-1 1 are curves illustrating various characteristics of rolls. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • FIG. 1 illustrates the paper roll 10 being wound on a spindle 1 1 and the wound roll 10 is engaged at its top surface by a roll 12 mounted on a shaft 13.
  • a first drum 14 is rotatably supported on a shaft 15 and engages the lower surface of the roll 10.
  • a second drum 16 mounted on a shaft 17 engages the lower surface of the finished paper roll 10 as shown.
  • the incoming paper web 18 passes through a basis weight measuring device comprising elements 19 and 21 mounted on opposite sides of the web 18 which supplies an output signal indicative of basis weight on lead 22 to a signal condition unit 23.
  • a caliper gauge 24 is mounted adjacent the web 18 and measures the caliper and supplies an output on lead 20 to the signal condition unit 23.
  • the signal condition unit 23 supplies an output to an analog input board 27 which supplies an input to a computer 26.
  • the computer 26 receives the output of a wound roll density analyzer 25 which comprises a counter timer board 28 which supplies an output to the computer 26 and which receives an input from a quadrature conversion unit 29 which receives inputs on leads 31 from a core chuck encoder which measures the speed of the paper roll 10 by detecting the rotational speed of the shaft 1 1.
  • the quadrature conversion 29 also receives an input on lead 32 which indicates the speed of rotation of the shaft 17 which supports the drum 16.
  • the wound roll density analyzer 25 is known in the prior art and the present invention adds the basis weight measuring device and the web caliper device.
  • FIGS. 3-6 illustrate the curves for the different methods of analysis listed above based upon typical "round roll” and “free sheet” densities.
  • FIGS. 710 illustrate the curves for all of the different methods of analysis listed above based upon variations in the "round roll” density while there is none in the "free sheet” density.
  • FIGS. 10 and 1 1 show the curves for the methods based upon similar variations and "wound roll” and the "free sheet” densities.
  • This system would be programmed with the required rules and their associated confidence level for a desired roll structure.
  • This system may also possess the ability to accept information from post-processing tests that indicate the roll structure as measured from a primary unit of measurement. Such tests include the WIT-WOT winder from Beloit Corporation or a TAPPI standard Cameron gap test. With the acceptance of this data, the expert system could then update its rules and associated confidence levels for the producer's materials.
  • FIG. 2 is an end view of a roll of paper and indicates an annular paper portion Fi between diameters Di (outer) and DM (inner).
  • FIG. 3 is a plot of the roll diameter in inches of the wound roll density and the free-sheet density.
  • FIG. 4 is a plot of the roll diameter wound minus free sheet.
  • FIG. 5 is a plot of roll diameter in inches of the integrated single point.
  • FIG. 6 is a plot of roll diameter in inches integrated 0 to 60 inches.
  • FIG. 7 is a plot of roll diameter in inches wound roll density and free sheet density.
  • FIG. 8 is a plot roll diameter in inches with the wound minus the free sheet plotted.
  • FIG. 9 is a plot of roll diameter in inches with the integrated single point.
  • FIG. 10 is a plot of the roll diameter with wound roll density and the free sheet density.
  • FIG. 1 1 is a plot of the roll diameter and the integrated single point.
  • the present invention utilizes the basis weight and caliper gauge with the wound roll density so as to accurately control the rolls.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Winding Of Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

Procédé servant à commander les paramètres d'une machine à enrouler une bande modifiant la structure du rouleau (10) et comprenant un système mettant en application un analyseur de densité (25), un dispositif de mesure du poids de base (19, 21), ainsi qu'un dispositif de mesure d'épaisseur (24) comportant un logiciel personnalisé et une commande PID de l'équipement régulant la tension, la pression du poids de contact et le couple transmis à la bande (18) en cours d'enroulement, ainsi qu'un ordinateur (26). Les dispositifs de mesure du poids de base et de l'épaisseur (19, 21, 24) sont montés à un emplacement qui leur permet de mesurer les caractéristiques de la bande immédiatement avant son enroulement sous forme de rouleau. L'analyseur de densité (25) est relié à la machine dans sa forme habituelle. Le dispositif de mesure du poids de base et de l'épaisseur (19, 21, 24) détermine la densité de la ''feuille libre'', tandis que l'analyseur de densité (25) détermine la densité du rouleau quand il est enroulé. On peut utiliser la différence entre ces deux valeurs, afin de commander les paramètres modifiant la structure du rouleau (10).
PCT/US1993/000695 1992-01-27 1993-01-25 Commande a boucle fermee s'utilisant pour une machine a enrouler une bande WO1993015008A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82655492A 1992-01-27 1992-01-27
US07/826,554 1992-01-27

Publications (1)

Publication Number Publication Date
WO1993015008A1 true WO1993015008A1 (fr) 1993-08-05

Family

ID=25246872

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/000695 WO1993015008A1 (fr) 1992-01-27 1993-01-25 Commande a boucle fermee s'utilisant pour une machine a enrouler une bande

Country Status (1)

Country Link
WO (1) WO1993015008A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037567A1 (fr) * 1998-01-22 1999-07-29 Valmet Corporation Procede et appareil de commande de l'enroulage
WO1999042392A1 (fr) * 1998-02-17 1999-08-26 Valmet Corporation Procede et appareil de bobinage d'une bande
US6917895B2 (en) 2001-06-15 2005-07-12 Metso Paper, Inc. Method for determination of roll density
US7127951B2 (en) 2003-11-07 2006-10-31 Kimberly-Clark Worldwide, Inc. Roll firmness measuring system and process
WO2011020903A1 (fr) * 2009-08-21 2011-02-24 OCé PRINTING SYSTEMS GMBH Dispositif d'exploration du mouvement d'une bande, système d'impression, et procédé de commande d'un processus de traitement
EP2455314A3 (fr) * 2010-11-18 2012-06-27 ABB Oy Procédé et agencement en relation avec une commande d'enroulement
CN103076258A (zh) * 2012-12-27 2013-05-01 深圳麦克维尔空调有限公司 乙二醇溶液密度自动检测设备
EP2891619A1 (fr) * 2013-12-19 2015-07-08 Dietze&Schell Maschinenfabrik GmbH&Co. Kg Dispositif de bobine destiné à enrouler au moins une matière à enrouler sur au moins un manchon interchangeable
CN109843764A (zh) * 2017-02-28 2019-06-04 东芝三菱电机产业系统株式会社 片材生产线的数学模型计算装置及控制装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB710124A (en) * 1950-09-22 1954-06-09 British Thomson Houston Co Ltd Improvements in and relating to methods of measuring thickness or density of thin sheets
US3909615A (en) * 1973-02-10 1975-09-30 Frieseke & Hoepfner Gmbh Apparatus for measuring the surface density of a web
DE2439212A1 (de) * 1974-08-16 1976-02-26 Feldmuehle Anlagen Prod Verfahren und vorrichtung zum steuern der wickelguete beim wickeln von bahnfoermigem material
GB2117935A (en) * 1982-04-01 1983-10-19 Asea Ab A method of controlling a web winding process
US4535950A (en) * 1984-01-13 1985-08-20 International Paper Company Method and apparatus for roll winding measurement
EP0233389A1 (fr) * 1986-02-12 1987-08-26 Josef W. Repsch Méthode de mesure du poids par unité de surface, de la densité et de l'épaisseur d'une bande en défilement
US4883233A (en) * 1987-05-20 1989-11-28 Valmet Paper Machinery, Inc. Method for controlling the reeling of a web
EP0397594A2 (fr) * 1989-05-10 1990-11-14 Beloit Technologies, Inc. Dispositif pour régler la densité d'un rouleau
WO1992020601A1 (fr) * 1991-05-16 1992-11-26 Brückner Maschinenbau Gernot Brückner Gmbh & Co. Kg Procede et dispositif de controle de l'epaisseur d'une bande de feuille enroulee

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB710124A (en) * 1950-09-22 1954-06-09 British Thomson Houston Co Ltd Improvements in and relating to methods of measuring thickness or density of thin sheets
US3909615A (en) * 1973-02-10 1975-09-30 Frieseke & Hoepfner Gmbh Apparatus for measuring the surface density of a web
DE2439212A1 (de) * 1974-08-16 1976-02-26 Feldmuehle Anlagen Prod Verfahren und vorrichtung zum steuern der wickelguete beim wickeln von bahnfoermigem material
GB2117935A (en) * 1982-04-01 1983-10-19 Asea Ab A method of controlling a web winding process
US4535950A (en) * 1984-01-13 1985-08-20 International Paper Company Method and apparatus for roll winding measurement
EP0233389A1 (fr) * 1986-02-12 1987-08-26 Josef W. Repsch Méthode de mesure du poids par unité de surface, de la densité et de l'épaisseur d'une bande en défilement
US4883233A (en) * 1987-05-20 1989-11-28 Valmet Paper Machinery, Inc. Method for controlling the reeling of a web
EP0397594A2 (fr) * 1989-05-10 1990-11-14 Beloit Technologies, Inc. Dispositif pour régler la densité d'un rouleau
WO1992020601A1 (fr) * 1991-05-16 1992-11-26 Brückner Maschinenbau Gernot Brückner Gmbh & Co. Kg Procede et dispositif de controle de l'epaisseur d'une bande de feuille enroulee

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TAPPI JOURNAL vol. 66, no. 1, 24 January 1983, ATLANTA US pages 63 - 66 L.G. ERIKSSON ET AL. 'Measurement of paper roll density during winding' *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999037567A1 (fr) * 1998-01-22 1999-07-29 Valmet Corporation Procede et appareil de commande de l'enroulage
US6494399B1 (en) 1998-01-22 2002-12-17 Metso Paper, Inc. Method and apparatus for control of reeling
WO1999042392A1 (fr) * 1998-02-17 1999-08-26 Valmet Corporation Procede et appareil de bobinage d'une bande
US6629659B1 (en) 1998-02-17 2003-10-07 Metso Paper, Inc. Method and apparatus for measuring web tension profile to control the reeling of a web
US6917895B2 (en) 2001-06-15 2005-07-12 Metso Paper, Inc. Method for determination of roll density
US7127951B2 (en) 2003-11-07 2006-10-31 Kimberly-Clark Worldwide, Inc. Roll firmness measuring system and process
US8794856B2 (en) 2009-08-21 2014-08-05 OCé PRINTING SYSTEMS GMBH Device for sampling a web movement, printing system and method for controlling a processing operation
WO2011020903A1 (fr) * 2009-08-21 2011-02-24 OCé PRINTING SYSTEMS GMBH Dispositif d'exploration du mouvement d'une bande, système d'impression, et procédé de commande d'un processus de traitement
EP2455314A3 (fr) * 2010-11-18 2012-06-27 ABB Oy Procédé et agencement en relation avec une commande d'enroulement
CN102556720A (zh) * 2010-11-18 2012-07-11 Abb公司 与卷绕机驱动器相关的方法和设备
KR101328065B1 (ko) * 2010-11-18 2013-11-13 에이비비 오와이 권취기 드라이브에 관한 방법 및 장치
US8763945B2 (en) 2010-11-18 2014-07-01 Abb Oy Method and arrangement in connection with winder drive
CN103076258A (zh) * 2012-12-27 2013-05-01 深圳麦克维尔空调有限公司 乙二醇溶液密度自动检测设备
CN103076258B (zh) * 2012-12-27 2016-01-20 深圳麦克维尔空调有限公司 乙二醇溶液密度自动检测设备
EP2891619A1 (fr) * 2013-12-19 2015-07-08 Dietze&Schell Maschinenfabrik GmbH&Co. Kg Dispositif de bobine destiné à enrouler au moins une matière à enrouler sur au moins un manchon interchangeable
CN109843764A (zh) * 2017-02-28 2019-06-04 东芝三菱电机产业系统株式会社 片材生产线的数学模型计算装置及控制装置
CN109843764B (zh) * 2017-02-28 2020-08-18 东芝三菱电机产业系统株式会社 片材生产线的数学模型计算装置及控制装置

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