| 摘要 |
PROBLEM TO BE SOLVED: To provide a friction stir welding jig equipped with a rotor which can securely prevent the splash of a molten workpiece and the growth of burrs protruding from the joined surface of the workpiece. SOLUTION: A friction stir welding jig 1 equipped with the cylindrical rotor 2 having a joining pin 4 on its end and also with a fluidity inhibiting member 7 covering the outer circumferential face of the rotor 2. The fluidity inhibiting member 7 is supported in a state that the fluidity inhibiting member 7 does not rotate against members W1 and W2 to be joined. COPYRIGHT: (C)2006,JPO&NCIPI
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