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Title:
FRICTION STIR WELDING DEVICE AND MAINTENANCE METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2023/189689
Kind Code:
A1
Abstract:
This friction stir welding device M comprises a pin (11) extending along an axis (R), a cylindrical shoulder (12) arranged coaxially at the outer periphery of the pin (11), and a driving unit (3) for individually advancing and retracting the pin (11) and the shoulder (12) along the axis (R) while causing the pin and the shoulder to rotate around the axis (R). The shoulder (12) includes: a shoulder body (121) having a distal end (121a) that is pressed into a welding subject (13); and a shoulder adapter (122) that has a fitting hole (H2) into which a base end (121b) of the shoulder body (121) is shrink-fitted, and that couples the shoulder body (121) and the driving unit (3) to each other.

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Inventors:
MIYAKE MASAHIRO
OHASHI RYOJI
YOSHIKAWA SHUHEI
TAKEOKA NAOKI
Application Number:
PCT/JP2023/010477
Publication Date:
October 05, 2023
Filing Date:
March 16, 2023
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B23K20/12
Domestic Patent References:
WO2012101786A12012-08-02
Foreign References:
JP2021062409A2021-04-22
JP2008036664A2008-02-21
JP2006192452A2006-07-27
JP2006297418A2006-11-02
JP2011530411A2011-12-22
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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