JPS57187183A - Series spot welding method - Google Patents
Series spot welding methodInfo
- 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
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.
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)
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 |
-
1981
- 1981-05-13 JP JP56071783A patent/JPS57187183A/en active Pending
Cited By (4)
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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