Invention Grant
- Patent Title: Friction stir spot welding device and method for operating same
-
Application No.: US17418875Application Date: 2019-12-26
-
Publication No.: US11858060B2Publication Date: 2024-01-02
- Inventor: Ryoichi Hatano , Shintaro Fukada
- Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Applicant Address: JP Kobe
- Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Current Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Current Assignee Address: JP Kobe
- Agency: Oliff PLC
- Priority: JP 18243328 2018.12.26
- International Application: PCT/JP2019/051216 2019.12.26
- International Announcement: WO2020/138326A 2020.07.02
- Date entered country: 2021-06-28
- Main IPC: B23K20/00
- IPC: B23K20/00 ; B23K20/12
Abstract:
A friction stir spot welder includes a controller configured to: drive a rotary actuator and an advancement/withdrawal actuator to cause a pin to press workpieces while rotating; after the pressing, drive the rotary actuator and the advancement/withdrawal actuator to cause the pin and a shoulder to press the workpieces while rotating; and after the pressing, drive the rotary actuator and the advancement/withdrawal actuator to cause the pin and/or the shoulder to plunge into a weld region of the workpieces while rotating and stir the weld region to weld the workpieces together.
Public/Granted literature
- US20220072653A1 FRICTION STIR SPOT WELDER AND METHOD OF OPERATING THE SAME Public/Granted day:2022-03-10
Information query
