JPS56105875A - Press-welding and helt-sticking method utilizing joule heat - Google Patents
Press-welding and helt-sticking method utilizing joule heatInfo
- Publication number
- JPS56105875A JPS56105875A JP1060380A JP1060380A JPS56105875A JP S56105875 A JPS56105875 A JP S56105875A JP 1060380 A JP1060380 A JP 1060380A JP 1060380 A JP1060380 A JP 1060380A JP S56105875 A JPS56105875 A JP S56105875A
- Authority
- JP
- Japan
- Prior art keywords
- press
- frequency
- welding
- current
- 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
Links
Abstract
PURPOSE: To eliminate the possiblity that metallic parts other than press-welding surface parts melt partially by making the frequency of press-welding current higher than commercial frequency thereby producing skin effect during current supplying period or part of said period.
CONSTITUTION: Welding current is supplied via press electrodes 3, 4 to metallic members 1, 2. If at this time the current of a frequency higher thn commercial frequency is flowed in the members 1, 2 in, for example, the initial period of current supply, the Joule heat generation in the surface layer part 1d of the member 1 and the surface layer part 2d of the member 2 is made larger than that in other parts by skin effect. As the frequency is decreased, the Joule heat generation in the other parts increases. Hence, if the frequency in the initial period of the current supply and the current supply time thereof are beforehand determined in compliance with the materials, shapes, etc. of the members 1, 2, the temp. of the face part 2a are enhanced to an optimum press-welding temp. and be maintained at that temp. before a molten part is produced in the internal part 2b near the press-wedling face part 2a of the member 2. The time for enhancing the skin surface is not limited to an initial period and it is equally well to make it in the entire current supply period.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1060380A JPS6024746B2 (en) | 1980-01-29 | 1980-01-29 | Pressure welding method that utilizes the heat generated by the unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1060380A JPS6024746B2 (en) | 1980-01-29 | 1980-01-29 | Pressure welding method that utilizes the heat generated by the unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56105875A true JPS56105875A (en) | 1981-08-22 |
JPS6024746B2 JPS6024746B2 (en) | 1985-06-14 |
Family
ID=11754814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1060380A Expired JPS6024746B2 (en) | 1980-01-29 | 1980-01-29 | Pressure welding method that utilizes the heat generated by the unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6024746B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010274305A (en) * | 2009-05-28 | 2010-12-09 | Nissan Motor Co Ltd | Welding equipment of metallic material |
JP2010274306A (en) * | 2009-05-28 | 2010-12-09 | Nissan Motor Co Ltd | Method for welding metallic material |
-
1980
- 1980-01-29 JP JP1060380A patent/JPS6024746B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010274305A (en) * | 2009-05-28 | 2010-12-09 | Nissan Motor Co Ltd | Welding equipment of metallic material |
JP2010274306A (en) * | 2009-05-28 | 2010-12-09 | Nissan Motor Co Ltd | Method for welding metallic material |
Also Published As
Publication number | Publication date |
---|---|
JPS6024746B2 (en) | 1985-06-14 |
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