FI74234B - Foerfarande foer reglering av folietjockleken vid en blaosfoliesprutanordning. - Google Patents

Foerfarande foer reglering av folietjockleken vid en blaosfoliesprutanordning. Download PDF

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Publication number
FI74234B
FI74234B FI803644A FI803644A FI74234B FI 74234 B FI74234 B FI 74234B FI 803644 A FI803644 A FI 803644A FI 803644 A FI803644 A FI 803644A FI 74234 B FI74234 B FI 74234B
Authority
FI
Finland
Prior art keywords
film
sectors
correction
thickness
sector
Prior art date
Application number
FI803644A
Other languages
English (en)
Finnish (fi)
Other versions
FI74234C (sv
FI803644L (fi
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 FI803644L publication Critical patent/FI803644L/fi
Publication of FI74234B publication Critical patent/FI74234B/fi
Application granted granted Critical
Publication of FI74234C publication Critical patent/FI74234C/sv

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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)

Claims (8)

1. Förfarande för regiering av folietjockleken i en bläs-foliesprutanordning, till vilken anordning hör en reglerorgan-försedd, i korrektionssektorer (XK) uppdelad munst.ycksring (4), varvid rämaterialmängden igenom varje korrektionssektors (XK) tvärsnittsyta eller varje korrektionssektors (XK) tem-peratur kan varieras och i vilken anordning folietjocklekarna uppmätes pä foliens omkrets och analogt med korrektionssekto-rernas (XK) antal anordnas foliesektorer (Xp), kanne-t e c k n a t därav, att bildas foliesektorer (Xp) med lika Stora tvärsnittsytor, att en foliesektor (Xp) med ett tjock-leksmaximum eller -minimum för bestämning av för denna anord-nad korrektionssektor(X ) pä munstycksringen (4) antages tili sitt läge korrekt sprutad och följande till sin tvärsnittsyta likadana i rad belägna foliesektorer (Xp) anordnas enligt pä dessa följande korrektionssektorer (X ) och att reglerorganen (23'...23n)manipuleras tills de tili sin tvärsnittsyta likadana foliesektorernas(X„) omkretslängder är lika länga. Γ
2. Förfarande enligt patentkrav 1, kännetecknat därav, att i fräga om fram- och ätergäende foliedrag anordnas en foliesektor (Xp), som tili sitt läge antages varä korrekt sprutad, genom en motsvarande vridrörelse tili sin korrektionssektor (X„) pä munstycksringen.
3. Förfarande enligt patentkrav 1, kännetecknat därav, att av de tili korrektionssektorerna (Xv) i munstycks- i\ ringen (4) anordnade foliesektorerna (X_) bildas delmedelvär- r den (24', 25')» vilka i respektive fall representerar storleken av korrektionsinstruktionen tili reglerorganen (23'... 23n) för korrektionssektorerna (XR) i munstyckringen (4).
4. Förfarande enligt patentkrav 1, kännetecknat därav, att i foliebläsanordningen är antalet foliesektorer (Xp) flera ganger, ändock ätminstone fyra gänger sä stort som anta-
FI803644A 1979-11-23 1980-11-21 Förfarande för reglering av folietjockleken vid en blåsfoliesprutanord ning. FI74234C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2947293 1979-11-23
DE2947293A DE2947293C2 (de) 1979-11-23 1979-11-23 Verfahren zur Regelung der Foliendicke an einer Blasfolien-Extruderanlage

Publications (3)

Publication Number Publication Date
FI803644L FI803644L (fi) 1981-05-24
FI74234B true FI74234B (fi) 1987-09-30
FI74234C FI74234C (sv) 1988-01-11

Family

ID=6086730

Family Applications (1)

Application Number Title Priority Date Filing Date
FI803644A FI74234C (sv) 1979-11-23 1980-11-21 Förfarande för reglering av folietjockleken vid en blåsfoliesprutanord ning.

Country Status (11)

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

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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
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
DE4042420C2 (de) * 1990-04-27 1994-03-31 Reifenhaeuser Masch Verfahren zur Herstellung einer Kunststoffolie sowie zum Aufwickeln der Kunststoffolie zu einem Coil
GB2268437B (en) * 1990-04-27 1994-07-06 Reifenhaeuser Masch Process for producing plastics foil
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
DE59202031D1 (de) * 1992-01-27 1995-06-01 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
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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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Also Published As

Publication number Publication date
CA1147916A (en) 1983-06-14
GB2065930B (en) 1983-10-05
JPS6311131B2 (sv) 1988-03-11
JPS5699628A (en) 1981-08-11
FR2470669A1 (fr) 1981-06-12
FR2470669B1 (sv) 1984-06-08
GB2065930A (en) 1981-07-01
IT8025384A0 (it) 1980-10-16
US4339403A (en) 1982-07-13
SU995702A3 (ru) 1983-02-07
DE2947293A1 (de) 1981-05-27
CH650972A5 (de) 1985-08-30
IT1133931B (it) 1986-07-24
FI74234C (sv) 1988-01-11
DE2947293C2 (de) 1983-09-15
BR8007399A (pt) 1981-05-26
FI803644L (fi) 1981-05-24

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MA Patent expired

Owner name: WINDMOELLER & HOELSCHER