JPS57110430A - Method for controlling coating thickness - Google Patents

Method for controlling coating thickness

Info

Publication number
JPS57110430A
JPS57110430A JP55189182A JP18918280A JPS57110430A JP S57110430 A JPS57110430 A JP S57110430A JP 55189182 A JP55189182 A JP 55189182A JP 18918280 A JP18918280 A JP 18918280A JP S57110430 A JPS57110430 A JP S57110430A
Authority
JP
Japan
Prior art keywords
coating
thickness
take
coating thickness
deviation
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.)
Pending
Application number
JP55189182A
Other languages
Japanese (ja)
Inventor
Shuichi Nakashizu
Kazuhiro Kuwamoto
Kazuhiko Asaka
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP55189182A priority Critical patent/JPS57110430A/en
Publication of JPS57110430A publication Critical patent/JPS57110430A/en
Pending legal-status Critical Current

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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C2948/92504—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
    • B29C2948/92819—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
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/06—Rod-shaped

Abstract

PURPOSE:To reduce badness due to over-thickness of a coating by a method wherein difference of a min. value of a coating thickness measured at four points in a circumferential direction and a lower limit of a set prescribed thickness is converted to speed deviation and, from this deviation, take-up control out put is calculated to carry out speed control of a take-up machine. CONSTITUTION:A core 2 withdrawn from a supply reel 1 is applied with a coating in an extrusion coating machine 3 and taken up by a take-up machine 6 through cooling tanks 4, 5 and wound up by a winding reel 7. A pen recorder 11 records a coating thickness and line parameter and a display 12 displays the coating thickness, a thickness deviation ratio and an average coating thickness in top, bottom, left and right parts thereof. A coating thickness lower limit setting instrument 10 sets prescribed thickness lower limit and coating lower limit and a computer 9 calculates coating thickness deviation from a min. value among coating thickness measuring values of top, bottom, left and right parts and a set value. A specific relation is present between the coating deviation and a take-up speed and the take-up speed is controlled by the computer 9.
JP55189182A 1980-12-27 1980-12-27 Method for controlling coating thickness Pending JPS57110430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55189182A JPS57110430A (en) 1980-12-27 1980-12-27 Method for controlling coating thickness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55189182A JPS57110430A (en) 1980-12-27 1980-12-27 Method for controlling coating thickness

Publications (1)

Publication Number Publication Date
JPS57110430A true JPS57110430A (en) 1982-07-09

Family

ID=16236863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55189182A Pending JPS57110430A (en) 1980-12-27 1980-12-27 Method for controlling coating thickness

Country Status (1)

Country Link
JP (1) JPS57110430A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708837A (en) * 1986-04-09 1987-11-24 Northern Telecom Limited Method and apparatus for insulating electrical conductor
US5458830A (en) * 1993-01-18 1995-10-17 The Furukawa Electric Co., Ltd. Method and apparatus of measurement of eccentricity dimension of ribbon-shaped body and apparatus for control of eccentricity dimension

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291066A (en) * 1976-01-27 1977-08-01 Dainichi Nippon Cables Ltd Method of controlling coating thickness of plastic coating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291066A (en) * 1976-01-27 1977-08-01 Dainichi Nippon Cables Ltd Method of controlling coating thickness of plastic coating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708837A (en) * 1986-04-09 1987-11-24 Northern Telecom Limited Method and apparatus for insulating electrical conductor
US5458830A (en) * 1993-01-18 1995-10-17 The Furukawa Electric Co., Ltd. Method and apparatus of measurement of eccentricity dimension of ribbon-shaped body and apparatus for control of eccentricity dimension

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