JPS57187183A - Series spot welding method - Google Patents

Series spot welding method

Info

Publication number
JPS57187183A
JPS57187183A JP56071783A JP7178381A JPS57187183A JP S57187183 A JPS57187183 A JP S57187183A JP 56071783 A JP56071783 A JP 56071783A JP 7178381 A JP7178381 A JP 7178381A JP S57187183 A JPS57187183 A JP S57187183A
Authority
JP
Japan
Prior art keywords
plate
electrodes
current
rear surface
spot welding
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
JP56071783A
Other languages
Japanese (ja)
Inventor
Yasuo Kawada
Masahito Kanai
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP56071783A priority Critical patent/JPS57187183A/en
Publication of JPS57187183A publication Critical patent/JPS57187183A/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
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding

Landscapes

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

Abstract

PURPOSE:To assure effective electric current sufficiently and to form good nuggets in the stage of series spot welding of a thick material and a thin material by insulating the parts corresponding to the respective electrodes on the rear surface of the thick material electrically to each other. CONSTITUTION:A thick plate 1 and a thin plate 2 are superposed and a back-up member 4 is brought into abutment on the rear surface 3 of the plate 1. Electrodes 6, 7 are brought into abutment on the surface of the plate 2. Further, the parts 8, 9 corresponding to the electrodes 6, 7 of the plate 1 are parted to each other with respect to the direction perpendicular to the thickness direction, whereby the generation of reactive current is prevented. Therefore, effective current Ib is increased and good nuggets are obtained. A backup electrode 10 projecting toward the rear surface 3 in the position corresponding to the electrodes 6, 7 is provided to the member 4 to increase the current density of the effective current Ib.
JP56071783A 1981-05-13 1981-05-13 Series spot welding method Pending JPS57187183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56071783A JPS57187183A (en) 1981-05-13 1981-05-13 Series spot welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56071783A JPS57187183A (en) 1981-05-13 1981-05-13 Series spot welding method

Publications (1)

Publication Number Publication Date
JPS57187183A true JPS57187183A (en) 1982-11-17

Family

ID=13470509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56071783A Pending JPS57187183A (en) 1981-05-13 1981-05-13 Series spot welding method

Country Status (1)

Country Link
JP (1) JPS57187183A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009279597A (en) * 2008-05-20 2009-12-03 Sumitomo Metal Ind Ltd Resistance welding method and resistance welding joined body
JP2010158983A (en) * 2009-01-08 2010-07-22 Mazda Motor Corp Vehicle body structure formed by laser welding and spot welding, and its manufacturing method
JP2012236232A (en) * 2012-08-07 2012-12-06 Nippon Steel & Sumitomo Metal Corp Resistance welding joined body
JP2012236231A (en) * 2012-08-07 2012-12-06 Nippon Steel & Sumitomo Metal Corp Resistance welding method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009279597A (en) * 2008-05-20 2009-12-03 Sumitomo Metal Ind Ltd Resistance welding method and resistance welding joined body
JP2010158983A (en) * 2009-01-08 2010-07-22 Mazda Motor Corp Vehicle body structure formed by laser welding and spot welding, and its manufacturing method
JP2012236232A (en) * 2012-08-07 2012-12-06 Nippon Steel & Sumitomo Metal Corp Resistance welding joined body
JP2012236231A (en) * 2012-08-07 2012-12-06 Nippon Steel & Sumitomo Metal Corp Resistance welding method

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