JPS57138916A - High frequency welder - Google Patents

High frequency welder

Info

Publication number
JPS57138916A
JPS57138916A JP2464681A JP2464681A JPS57138916A JP S57138916 A JPS57138916 A JP S57138916A JP 2464681 A JP2464681 A JP 2464681A JP 2464681 A JP2464681 A JP 2464681A JP S57138916 A JPS57138916 A JP S57138916A
Authority
JP
Japan
Prior art keywords
welded
torque
articles
heating
period
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.)
Granted
Application number
JP2464681A
Other languages
Japanese (ja)
Other versions
JPS638900B2 (en
Inventor
Soichi Nagao
Teruo Nakao
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.)
KUINRAITO DENSHI SEIKOU KK
Original Assignee
KUINRAITO DENSHI SEIKOU KK
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 KUINRAITO DENSHI SEIKOU KK filed Critical KUINRAITO DENSHI SEIKOU KK
Priority to JP2464681A priority Critical patent/JPS57138916A/en
Publication of JPS57138916A publication Critical patent/JPS57138916A/en
Publication of JPS638900B2 publication Critical patent/JPS638900B2/ja
Granted 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain welding of excellent looking finish and high reliability, by using a torque motor as driving source of the electrode pressing an article to be welded, while supplying electric current and pressing continuously the article to be welded during the period of heating and cooling processes. CONSTITUTION:During the period of heating and cooling processes the torque motor 17 is supplied with electric current in the direction of positive rotation and holds the articles 35, 36 to be welded being pressed between the movable upper electrode 15 and the fixed lower electrode 16. Because the torque motor is designed concerning its characteristics so as to increase its torque as its rotation decreases and to generate maximum torque when its rotation becomes zero and moreover not to burn out its coil even in generation of maximum torque and also the articles 35, 36 to be welded are pressed strongly and continuously by the both electrodes 15, 16 throughout the period of heating and cooling processes, the articles to be welded are melted each other sufficiently and welding operation of fine finish is carried out.
JP2464681A 1981-02-20 1981-02-20 High frequency welder Granted JPS57138916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2464681A JPS57138916A (en) 1981-02-20 1981-02-20 High frequency welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2464681A JPS57138916A (en) 1981-02-20 1981-02-20 High frequency welder

Publications (2)

Publication Number Publication Date
JPS57138916A true JPS57138916A (en) 1982-08-27
JPS638900B2 JPS638900B2 (en) 1988-02-25

Family

ID=12143897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2464681A Granted JPS57138916A (en) 1981-02-20 1981-02-20 High frequency welder

Country Status (1)

Country Link
JP (1) JPS57138916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107696502A (en) * 2017-09-05 2018-02-16 宁波大红鹰学院 A kind of high-cycle welding machine welding process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107696502A (en) * 2017-09-05 2018-02-16 宁波大红鹰学院 A kind of high-cycle welding machine welding process

Also Published As

Publication number Publication date
JPS638900B2 (en) 1988-02-25

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