IT1133931B - Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati - Google Patents

Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati

Info

Publication number
IT1133931B
IT1133931B IT25384/80A IT2538480A IT1133931B IT 1133931 B IT1133931 B IT 1133931B IT 25384/80 A IT25384/80 A IT 25384/80A IT 2538480 A IT2538480 A IT 2538480A IT 1133931 B IT1133931 B IT 1133931B
Authority
IT
Italy
Prior art keywords
procedure
adjusting
film
thickness
extrusion system
Prior art date
Application number
IT25384/80A
Other languages
English (en)
Other versions
IT8025384A0 (it
Inventor
Hartmut Upmeier
Gerd Klinge
Gerhard Winkler
Original Assignee
Windmoeller & Hoelscher
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 & Hoelscher filed Critical Windmoeller & Hoelscher
Publication of IT8025384A0 publication Critical patent/IT8025384A0/it
Application granted granted Critical
Publication of IT1133931B publication Critical patent/IT1133931B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—Calibration, after-treatment, or cooling zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles 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)
IT25384/80A 1979-11-23 1980-10-16 Procedimento per la regolazione dello spessore del film su un impianto di estrusione per film soffiati IT1133931B (it)

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
IT8025384A0 IT8025384A0 (it) 1980-10-16
IT1133931B true IT1133931B (it) 1986-07-24

Family

ID=6086730

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (11)

Country Link
US (1) US4339403A (it)
JP (1) JPS5699628A (it)
BR (1) BR8007399A (it)
CA (1) CA1147916A (it)
CH (1) CH650972A5 (it)
DE (1) DE2947293C2 (it)
FI (1) FI74234C (it)
FR (1) FR2470669A1 (it)
GB (1) GB2065930B (it)
IT (1) IT1133931B (it)
SU (1) SU995702A3 (it)

Families Citing this family (32)

* 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 (it) * 1987-05-27 1987-08-13 Alpine Ag, 8900 Augsburg, De
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
DE3844684A1 (de) * 1988-09-09 1990-08-09 Veba Oel Technologie Gmbh Drehrohr
EP0423386B1 (en) * 1989-10-17 1993-07-28 Tomi Machinery Manfuacturing Co., Ltd. Synthetic resin film, method of uniforming the film thickness upon molding of such film and apparatus therefor
GB2268437B (en) * 1990-04-27 1994-07-06 Reifenhaeuser Masch Process for producing plastics foil
DE4042534C3 (de) * 1990-04-27 1997-12-04 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.
DE4236443B4 (de) * 1992-10-28 2005-02-24 Windmöller & Hölscher Kg Verfahren zur Temperaturregelung eines Folienblaskopfes zur Herstellung von Kunststoff-Schlauchfolien
US5468134A (en) * 1993-12-01 1995-11-21 Cree; Robert E. Cooling and thickness control for extruded products
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
IT1319107B1 (it) * 2000-11-15 2003-09-23 Electronic Systems Spa Metodo per misurare il profilo di spessore di un film tubolareappiattito
DE102009033171B4 (de) * 2009-07-13 2016-03-03 Hosokawa Alpine Ag Verfahren zur Regelung der Foliendicke von verstreckten Schlauchfolien sowie Vorrichtung zur Durchführung des Verfahrens
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (it) * 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

Also Published As

Publication number Publication date
CH650972A5 (de) 1985-08-30
BR8007399A (pt) 1981-05-26
GB2065930B (en) 1983-10-05
DE2947293A1 (de) 1981-05-27
DE2947293C2 (de) 1983-09-15
JPS5699628A (en) 1981-08-11
FI74234C (fi) 1988-01-11
US4339403A (en) 1982-07-13
FI803644L (fi) 1981-05-24
CA1147916A (en) 1983-06-14
GB2065930A (en) 1981-07-01
JPS6311131B2 (it) 1988-03-11
IT8025384A0 (it) 1980-10-16
SU995702A3 (ru) 1983-02-07
FR2470669B1 (it) 1984-06-08
FR2470669A1 (fr) 1981-06-12
FI74234B (fi) 1987-09-30

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971029