FR2157051A5 - Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate - Google Patents

Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate

Info

Publication number
FR2157051A5
FR2157051A5 FR7137085A FR7137085A FR2157051A5 FR 2157051 A5 FR2157051 A5 FR 2157051A5 FR 7137085 A FR7137085 A FR 7137085A FR 7137085 A FR7137085 A FR 7137085A FR 2157051 A5 FR2157051 A5 FR 2157051A5
Authority
FR
France
Prior art keywords
extrudate
pref
signals
adjustment
dia
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
FR7137085A
Other languages
English (en)
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7137085A priority Critical patent/FR2157051A5/fr
Priority to JP47103430A priority patent/JPS4960356A/ja
Application granted granted Critical
Publication of FR2157051A5 publication Critical patent/FR2157051A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
    • G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
    • 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
    • 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
    • B29C2948/92504—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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/92933—Conveying, transporting or storage of articles
    • 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
    • B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
    • 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
    • B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7137085A 1971-10-15 1971-10-15 Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate Expired FR2157051A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7137085A FR2157051A5 (en) 1971-10-15 1971-10-15 Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate
JP47103430A JPS4960356A (cg-RX-API-DMAC7.html) 1971-10-15 1972-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7137085A FR2157051A5 (en) 1971-10-15 1971-10-15 Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate

Publications (1)

Publication Number Publication Date
FR2157051A5 true FR2157051A5 (en) 1973-06-01

Family

ID=9084425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7137085A Expired FR2157051A5 (en) 1971-10-15 1971-10-15 Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate

Country Status (2)

Country Link
JP (1) JPS4960356A (cg-RX-API-DMAC7.html)
FR (1) FR2157051A5 (cg-RX-API-DMAC7.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29886E (en) * 1974-03-28 1979-01-16 Western Electric Company, Inc. Methods of and apparatus for controlling the thickness of an annular extrusion
US4605525A (en) * 1985-02-04 1986-08-12 Northern Telecom Limited Method for forming insulating electrical conductor
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
EP0394912A3 (en) * 1989-04-28 1991-07-31 Brabor S.R.L. Machine for manufacturing extruded tubes
US5055244A (en) * 1989-01-27 1991-10-08 Paul Troester Maschinenfabrik Process and apparatus for the production of thin wall tubes from rubber - and/or plastic mixtures

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242556A (en) * 1975-09-30 1977-04-02 Kubota Ltd Method of automatically controlling tube thickness in extrusion molding of tube
DE3737104A1 (de) * 1987-11-02 1989-05-11 Altenkirchener Kunststoff Schlauchstueck aus elastischem, gut rueckstellbarem kunststoff und verfahren zu seiner herstellung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29886E (en) * 1974-03-28 1979-01-16 Western Electric Company, Inc. Methods of and apparatus for controlling the thickness of an annular extrusion
US4605525A (en) * 1985-02-04 1986-08-12 Northern Telecom Limited Method for forming insulating electrical conductor
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
US5055244A (en) * 1989-01-27 1991-10-08 Paul Troester Maschinenfabrik Process and apparatus for the production of thin wall tubes from rubber - and/or plastic mixtures
EP0394912A3 (en) * 1989-04-28 1991-07-31 Brabor S.R.L. Machine for manufacturing extruded tubes

Also Published As

Publication number Publication date
JPS4960356A (cg-RX-API-DMAC7.html) 1974-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse