Title:
摩擦攪拌点接合装置及び摩擦攪拌点接合方法
Document Type and Number:
Japanese Patent JP6670317
Kind Code:
B2
Abstract:
A friction stir spot welding device of the present invention which welds an object (60) to be welded, by softening the object by friction heat and by stirring the object, comprises a tool with a cylindrical shape, the tool being rotatable around an axis thereof, advanceable along a direction of the axis, and retractable along the direction of the axis, a temperature detector (21) which detects a temperature of the tool when a welding step for the object (60) starts, and a controller (51) configured to compare the temperature of the tool which is detected by the temperature detector (21) to a predetermined reference temperature to set a plunging force applied by the tool to press the object (60).
Inventors:
Okada Gosei
Yoshikawa Shuhei
Kenichi Upward
Yoshikawa Shuhei
Kenichi Upward
Application Number:
JP2017539909A
Publication Date:
March 18, 2020
Filing Date:
September 13, 2016
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B23K20/12
Domestic Patent References:
| JP2012196682A | ||||
| JP2006187778A | ||||
| JP2014128824A | ||||
| JP2004130326A | ||||
| JP2006102748A | ||||
| JP2011115842A | ||||
| JP2003048063A | ||||
| JP2007030017A |
Foreign References:
| WO2016063538A1 |
Attorney, Agent or Firm:
Patent business corporation Yuko patent office