Title:
SPOT WELDING DEVICE, SPOT WELDING DEVICE CONTROL METHOD, SPOT WELDING JOINT, AND SPOT WELDING JOINT PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/153389
Kind Code:
A1
Abstract:
This spot welding device uses a pair of electrodes to sandwich a plurality of stacked steel sheets and apply electricity while applying a pressure, so as to be able to perform spot welding of the plurality of steel sheets, the spot welding device being characterized in that between the start and the end of electricity application, the speed at which the pair of electrodes approaches to each other is at least limited to 12.0 mm/s or less.
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| JPH1177330 | ELECTRODE STRUCTURE OF WELDING MACHINE |
Inventors:
KODAMA SHINJI (JP)
FURUSAKO SEIJI (JP)
YOSHINAGA CHISATO (JP)
KUWAYAMA TAKUYA (JP)
TAKEDA KENGO (JP)
MITSUNOBU TAKUYA (JP)
SATO HIRONORI (JP)
FURUSAKO SEIJI (JP)
YOSHINAGA CHISATO (JP)
KUWAYAMA TAKUYA (JP)
TAKEDA KENGO (JP)
MITSUNOBU TAKUYA (JP)
SATO HIRONORI (JP)
Application Number:
PCT/JP2023/003950
Publication Date:
August 17, 2023
Filing Date:
February 07, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B23K11/11; B23K11/16; B23K11/24
Domestic Patent References:
| WO2021199784A1 | 2021-10-07 | |||
| WO2019159815A1 | 2019-08-22 |
Foreign References:
| JP2008307575A | 2008-12-25 | |||
| JP2019155473A | 2019-09-19 | |||
| JP2005103608A | 2005-04-21 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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