发明名称 |
Method of friction stir welding with a tool having a groove on a shoulder surface |
摘要 |
<p>The present application relates to a method of friction stir welding using a tool comprising a first shoulder surface (32) which comes into contact with a front surface of a subject work piece (w), a second shoulder surface (35) which is disposed so as to face the first shoulder surface (32) and comes into contact with a rear surface of the work piece (w) and a shaft portion (37) which connects the first shoulder surface (32) and the second shoulder surface (35) to each other with a gap therebetween fixed, the first shoulder surface (32) and the second shoulder surface (35) are provided with a first vortex groove (33) and a second vortex groove (36) which extend toward the front side of a tool rotation direction (R) so as to be opened to the outer peripheral edge as it moves to the outer peripheral side.</p> |
申请公布号 |
EP2756911(A1) |
申请公布日期 |
2014.07.23 |
申请号 |
EP20140164641 |
申请日期 |
2012.01.18 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
KATO, YOSHINORI;SATO, HIROAKI |
分类号 |
B23K20/12 |
主分类号 |
B23K20/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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