JPS5725291A - Structure of conductive contact part of aluminium alloy-made spot gun - Google Patents

Structure of conductive contact part of aluminium alloy-made spot gun

Info

Publication number
JPS5725291A
JPS5725291A JP10161280A JP10161280A JPS5725291A JP S5725291 A JPS5725291 A JP S5725291A JP 10161280 A JP10161280 A JP 10161280A JP 10161280 A JP10161280 A JP 10161280A JP S5725291 A JPS5725291 A JP S5725291A
Authority
JP
Japan
Prior art keywords
sacrifice material
face
fitted
alloy
gun arm
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
JP10161280A
Other languages
Japanese (ja)
Inventor
Shinobu Tanaka
Takeo Arai
Isamu Igarashi
Takumi Kawamoto
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP10161280A priority Critical patent/JPS5725291A/en
Publication of JPS5725291A publication Critical patent/JPS5725291A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/31—Electrode holders and actuating devices therefor
    • B23K11/314—Spot welding guns, e.g. mounted on robots

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

PURPOSE:To prevent as much as possible occurrences of rust due to electrolytic corrosion in a conductive contact part, by installing a highly conductive sacrifice material to the conductive contact part of an Al alloy-made gun arm and a power supplying part of copper alloy, etc., so that the sacrifice material is fitted and removed freely. CONSTITUTION:For example, a spot gun arm 1 of a portable spot welding machine is provided with a pair of openable and closable arm components 2 and 3. Components 2 and 3 are made of an Al alloy and each base has a fitting part 6 formed flat by stepping both sides. The flat face of a copper alloy-made power supplying secondary cable terminal 7 is brought into contact with the fitting part 6 and fitted by screws. On the other hand, the front end face 10a and one side face 10b of the sacrifice material 10 are brought into contact with the rear end face 6a of the fitting part 6 and a part of the fitting face 7a of the termenal 7, respectively, and the sacrifice material 10 is fitted by a bolt 11 so that it is fitted and removed freely. An Al-5Zn-2Hg alloy, etc., which has a higher conductivity than the gun arm has and a smaller potential difference than the gun arm and terminal have, is used to make the sacrifice material 10. In this way, the electric current to components 2 and 3 flows preferentially and condensedly to the sacrifice material 10.
JP10161280A 1980-07-24 1980-07-24 Structure of conductive contact part of aluminium alloy-made spot gun Pending JPS5725291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10161280A JPS5725291A (en) 1980-07-24 1980-07-24 Structure of conductive contact part of aluminium alloy-made spot gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10161280A JPS5725291A (en) 1980-07-24 1980-07-24 Structure of conductive contact part of aluminium alloy-made spot gun

Publications (1)

Publication Number Publication Date
JPS5725291A true JPS5725291A (en) 1982-02-10

Family

ID=14305217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10161280A Pending JPS5725291A (en) 1980-07-24 1980-07-24 Structure of conductive contact part of aluminium alloy-made spot gun

Country Status (1)

Country Link
JP (1) JPS5725291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128510A (en) * 1991-02-20 1992-07-07 Sagemu, S.A. Spot welding tongs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128510A (en) * 1991-02-20 1992-07-07 Sagemu, S.A. Spot welding tongs

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