Title:
FRICTION STIR SPOT WELDING DEVICE AND FRICTION STIR SPOT WELDING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/079806
Kind Code:
A1
Abstract:
In the present invention, during friction stir spot welding, a controller performs temperature maintenance control whereby: a rotary driver is controlled so as to set t rotation speed of a tool to be less than or equal to a prescribed rotation speed at which the temperature of the tool is regarded as the same as a welding temperature of a superimposed part; and a displacement driver is controlled such that the pressurizing force or push amount is increased/decreased so as to maintain the temperature of the tool in a prescribed set range.
Inventors:
OHASHI RYOJI
MURAMATSU YOSHITAKA
MIYAKE MASAHIRO
FUKUDA TAKUYA
MURAMATSU YOSHITAKA
MIYAKE MASAHIRO
FUKUDA TAKUYA
Application Number:
PCT/JP2017/039246
Publication Date:
May 03, 2018
Filing Date:
October 31, 2017
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B23K20/12
Foreign References:
| JP2008073694A | 2008-04-03 | |||
| JP5883978B1 | 2016-03-15 | |||
| JP2006000901A | 2006-01-05 | |||
| JP2007275980A | 2007-10-25 | |||
| JP2011115842A | 2011-06-16 |
Other References:
See also references of EP 3533556A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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