Title:
RESISTANCE SPOT WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2016/013212
Kind Code:
A1
Abstract:
Provided is a resistance spot welding method whereby a nugget can be quickly and stably formed even when the distance between welding points is small. After brief preliminary application of a high current, main current application for forming a desired nugget is carried out at one electrode pair (electrodes A, B), and current application is initiated at the other electrode pair (electrodes C, D) after the start of the preliminary current application and before the end of the main current application.
Inventors:
TANIGUCHI KOICHI (JP)
SAWANISHI CHIKAUMI (JP)
OKITA YASUAKI (JP)
IKEDA RINSEI (JP)
SAWANISHI CHIKAUMI (JP)
OKITA YASUAKI (JP)
IKEDA RINSEI (JP)
Application Number:
PCT/JP2015/003657
Publication Date:
January 28, 2016
Filing Date:
July 21, 2015
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B23K11/11
Foreign References:
| JP2012091203A | 2012-05-17 | |||
| JP2012011398A | 2012-01-19 |
Attorney, Agent or Firm:
KUMASAKA, Akira et al. (JP)
Akira Kumasaka (JP)
Akira Kumasaka (JP)
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