DE2947293C2 - Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage - Google Patents

Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage

Info

Publication number
DE2947293C2
DE2947293C2 DE2947293A DE2947293A DE2947293C2 DE 2947293 C2 DE2947293 C2 DE 2947293C2 DE 2947293 A DE2947293 A DE 2947293A DE 2947293 A DE2947293 A DE 2947293A DE 2947293 C2 DE2947293 C2 DE 2947293C2
Authority
DE
Germany
Prior art keywords
film
sectors
correction
thickness
nozzle ring
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.)
Expired
Application number
DE2947293A
Other languages
German (de)
English (en)
Other versions
DE2947293A1 (de
Inventor
Gerd Dr.-Ing. Klinge
Hartmut Dipl.-Ing. Upmeier
Gerhard 4540 Lengerich Winkler
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to DE2947293A priority Critical patent/DE2947293C2/de
Priority to IT25384/80A priority patent/IT1133931B/it
Priority to SU802999192A priority patent/SU995702A3/ru
Priority to BR8007399A priority patent/BR8007399A/pt
Priority to GB8037075A priority patent/GB2065930B/en
Priority to FR8024511A priority patent/FR2470669A1/fr
Priority to JP16401780A priority patent/JPS5699628A/ja
Priority to FI803644A priority patent/FI74234C/fi
Priority to CA000365261A priority patent/CA1147916A/en
Priority to US06/209,060 priority patent/US4339403A/en
Priority to CH8636/80A priority patent/CH650972A5/de
Publication of DE2947293A1 publication Critical patent/DE2947293A1/de
Application granted granted Critical
Publication of DE2947293C2 publication Critical patent/DE2947293C2/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92152Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92428Calibration, after-treatment, or cooling zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92647Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92904Die; Nozzle zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0019Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE2947293A 1979-11-23 1979-11-23 Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage Expired DE2947293C2 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DE2947293A DE2947293C2 (de) 1979-11-23 1979-11-23 Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage
IT25384/80A IT1133931B (it) 1979-11-23 1980-10-16 Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati
SU802999192A SU995702A3 (ru) 1979-11-23 1980-10-29 Способ регулировани толщины пленки на установке получени пленки методом выдувани с экструдером
BR8007399A BR8007399A (pt) 1979-11-23 1980-11-13 Process para regulagem de espessura de lainas em uma instalacao de extrusao de laminas produzidas a sopro bem como instalacao empregando o mesmo
FR8024511A FR2470669A1 (fr) 1979-11-23 1980-11-19 Procede de regulation de l'epaisseur de la feuille dans une installation d'extrusion de feuilles soufflees
GB8037075A GB2065930B (en) 1979-11-23 1980-11-19 Controlling film thichness at a blown film extruder installation
JP16401780A JPS5699628A (en) 1979-11-23 1980-11-20 Method of controlling thickness of film of inflation film extruding device
FI803644A FI74234C (fi) 1979-11-23 1980-11-21 Foerfarande foer reglering av folietjockleken vid en blaosfoliesprutanordning.
CA000365261A CA1147916A (en) 1979-11-23 1980-11-21 Method of controlling the film thickness at a blown film extruder installation
US06/209,060 US4339403A (en) 1979-11-23 1980-11-21 Method of controlling the film thickness at a blown film extruder installation
CH8636/80A CH650972A5 (de) 1979-11-23 1980-11-21 Verfahren zur regelung der foliendicke an einer blasfolien-extruderanlage sowie vorrichtung zur durchfuehrung des verfahrens.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2947293A DE2947293C2 (de) 1979-11-23 1979-11-23 Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage

Publications (2)

Publication Number Publication Date
DE2947293A1 DE2947293A1 (de) 1981-05-27
DE2947293C2 true DE2947293C2 (de) 1983-09-15

Family

ID=6086730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2947293A Expired DE2947293C2 (de) 1979-11-23 1979-11-23 Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage

Country Status (11)

Country Link
US (1) US4339403A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5699628A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8007399A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1147916A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH650972A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2947293C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI74234C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2470669A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2065930B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1133931B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU995702A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844684A1 (de) * 1988-09-09 1990-08-09 Veba Oel Technologie Gmbh Drehrohr
DE19541296A1 (de) * 1995-11-06 1997-05-07 Windmoeller & Hoelscher Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches
DE19631640C1 (de) * 1996-08-05 1998-04-02 Windmoeller & Hoelscher Verfahren zur Regelung der Foliendicke an einer Blasfolienanlage
DE4236443B4 (de) * 1992-10-28 2005-02-24 Windmöller & Hölscher Kg Verfahren zur Temperaturregelung eines Folienblaskopfes zur Herstellung von Kunststoff-Schlauchfolien
US9302423B2 (en) 2009-07-13 2016-04-05 Hosakawa Alpine Aktiengesellschaft Process to regulate the thickness of oriented blown film

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002903C2 (de) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage
DE3014989C2 (de) * 1980-04-18 1991-01-24 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Steuerung der Foliendicke an einer Blasfolienextruderanlage
DE3211833C2 (de) * 1982-03-31 1985-09-26 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Blaskopf für die Herstellung einer Kunststoffblasfolie durch Flachlegen eines Blasfolienschlauches
US4454084A (en) * 1982-06-09 1984-06-12 Leesona Corporation Extrusion die control system
DE3518155A1 (de) * 1985-05-21 1986-11-27 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Verfahren zur herstellung einer kunststoffolie mit geringer dickentoleranz
DE3627129C1 (de) * 1986-08-09 1988-01-28 Planex Gmbh Vorrichtung zur Feinkorrektur des Dickenprofils bei der Blasfolienherstellung
DE3631503C1 (de) * 1986-09-16 1987-09-24 Windmoeller & Hoelscher Verfahren zur Herstellung von Rollen aus extrudierten Folienbahnen
US4760627A (en) * 1987-03-23 1988-08-02 Enrique Schele Apparatus for an oscillating pinch roll assembly utilized in the extrusion of blown films
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
DE8707626U1 (de) * 1987-05-27 1987-08-13 Alpine Ag, 8900 Augsburg Abzugsvorrichtung für Schlauchfolien
DE3743721A1 (de) * 1987-12-23 1989-07-06 Karl Veit Holger Dr Ing Folienblasanlage mit rolle
AU610366B2 (en) * 1988-03-31 1991-05-16 Idemitsu Petrochemical Co., Ltd. Method of and apparatus for manufacturing biaxially oriented film
DE68907907T2 (de) * 1989-10-17 1993-11-11 Tomi Machinery Mfg Co Ltd Synthetischer Harzfilm, Verfahren und Vorrichtung um die Filmstärke während des Formens gleichmässig zu machen.
GB2268437B (en) * 1990-04-27 1994-07-06 Reifenhaeuser Masch Process for producing plastics foil
DE4042420C2 (de) * 1990-04-27 1994-03-31 Reifenhaeuser Masch Verfahren zur Herstellung einer Kunststoffolie sowie zum Aufwickeln der Kunststoffolie zu einem Coil
US5202068A (en) * 1990-10-24 1993-04-13 Modern Controls, Inc. Method and apparatus for controlling blown film thickness
DE4036868A1 (de) * 1990-11-19 1992-05-21 Windmoeller & Hoelscher Vorrichtung zum messen der foliendicke an einem zu einer folienschlauchblase aufgeblasenen folienschlauch in einer blasfolienanlage
US5288219A (en) * 1991-03-25 1994-02-22 Battenfeld Gloucester Engineering Co., Inc. Air ring for controlling blown film thickness
US5206599A (en) * 1991-08-01 1993-04-27 Modern Controls, Inc. Capacitance sensor for measuring thickness of blown film including a collapsing frame and a pair of linear motor assemblies
ATE121671T1 (de) * 1992-01-27 1995-05-15 Hosokawa Alpine Ag Vorrichtung zum herstellen von schlauchfolien.
US5468134A (en) * 1993-12-01 1995-11-21 Cree; Robert E. Cooling and thickness control for extruded products
IT1319107B1 (it) * 2000-11-15 2003-09-23 Electronic Systems Spa Metodo per misurare il profilo di spessore di un film tubolareappiattito
US20110112677A1 (en) * 2009-11-11 2011-05-12 Albert John Franklin Method for controlling a physical property of a tubular blown film
JP5502639B2 (ja) * 2010-07-20 2014-05-28 ホソカワ アルピーネ アクチエンゲゼルシャフト 延伸されたブロー成形フィルムの厚さ制御のための方法
US9050760B2 (en) 2011-12-15 2015-06-09 Ndc Technologies, Inc. Blown film scanning method
US20170232653A1 (en) * 2014-10-15 2017-08-17 Windmöller & Hölscher Kg Method and Device for the Production and Further Processing of a Film Tube
CN113119439B (zh) * 2021-04-08 2023-05-16 贵州科泰天兴农业科技有限公司 一种地膜膜径精准控制系统及控制方法

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US3286302A (en) * 1963-12-26 1966-11-22 Industrial Nucleonics Corp Control system for maximizing the production of a material forming process
US3307215A (en) * 1964-04-09 1967-03-07 Industrial Nucleonics Corp Control apparatus for industrial apparatus
US3510374A (en) * 1964-04-20 1970-05-05 Industrial Nucleonics Corp Method and control apparatus for regulating apparatuses
GB1054989A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1964-09-17 1900-01-01
US3474160A (en) * 1965-04-27 1969-10-21 Industrial Nucleonics Corp Method and apparatus for controlling blown film extruder
US3438088A (en) * 1967-01-19 1969-04-15 Beloit Corp Control for maintaining uniform gauge on blown film
US3775035A (en) * 1970-01-12 1973-11-27 Owens Illinois Inc Foam plastic extrusion apparatus with plurality of die lip temperature controls
DE2052127C3 (de) * 1970-10-23 1975-02-20 Windmoeller & Hoelscher, 4540 Lengerich Vorrichtung zum Herstellen und Aufwikkeln faitenfrei flachgelegter Kunststoffschlauchfolien
DE2232930A1 (de) * 1971-07-06 1973-02-01 Hepworth Plastics Ltd Verfahren und vorrichtung zur herstellung von rohren unbedingt gleichmaessiger wandstaerke im strangpressverfahren
GB1448669A (en) * 1972-09-08 1976-09-08 Bakelite Xylonite Ltd Profile determining and/or controlling system
DE2721609C2 (de) * 1977-05-13 1986-07-10 Reifenhäuser KG, 5210 Troisdorf Regeleinrichtung für eine Anlage zur Herstellung von Kunststoffblasfolien
DE2723991A1 (de) 1977-05-27 1978-11-30 Ver Foerderung Inst Kunststoff Verfahren zum zentrieren von ringspaltduesen bei der verarbeitung von kunststoffen
DE2816583A1 (de) * 1978-04-17 1979-10-18 Windmoeller & Hoelscher Verfahren und vorrichtung zur optimierung der ausstossleistung einer blasfolienextruderanlage mittels eines prozessrechners
US4209475A (en) * 1978-10-20 1980-06-24 Mobil Oil Corporation Method and apparatus for effecting uniform film thickness

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844684A1 (de) * 1988-09-09 1990-08-09 Veba Oel Technologie Gmbh Drehrohr
DE4236443B4 (de) * 1992-10-28 2005-02-24 Windmöller & Hölscher Kg Verfahren zur Temperaturregelung eines Folienblaskopfes zur Herstellung von Kunststoff-Schlauchfolien
DE19541296A1 (de) * 1995-11-06 1997-05-07 Windmoeller & Hoelscher Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches
DE19541296C2 (de) * 1995-11-06 1999-07-01 Windmoeller & Hoelscher Vorrichtung zur Erwärmung der Foliensektoren eines aus einem Folienblaskopf extrudierten Folienschlauches
DE19631640C1 (de) * 1996-08-05 1998-04-02 Windmoeller & Hoelscher Verfahren zur Regelung der Foliendicke an einer Blasfolienanlage
US9302423B2 (en) 2009-07-13 2016-04-05 Hosakawa Alpine Aktiengesellschaft Process to regulate the thickness of oriented blown film

Also Published As

Publication number Publication date
CH650972A5 (de) 1985-08-30
IT1133931B (it) 1986-07-24
FR2470669B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-06-08
FR2470669A1 (fr) 1981-06-12
JPS5699628A (en) 1981-08-11
FI74234B (fi) 1987-09-30
FI74234C (fi) 1988-01-11
GB2065930A (en) 1981-07-01
BR8007399A (pt) 1981-05-26
IT8025384A0 (it) 1980-10-16
US4339403A (en) 1982-07-13
CA1147916A (en) 1983-06-14
FI803644L (fi) 1981-05-24
GB2065930B (en) 1983-10-05
JPS6311131B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-03-11
SU995702A3 (ru) 1983-02-07
DE2947293A1 (de) 1981-05-27

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