| 摘要 |
PROBLEM TO BE SOLVED: To provide a repair method and apparatus that can remove air bubbles produced in a weld zone. SOLUTION: A rotary tool 80 is inserted, while being rotated, into a weld zone 50 after welding and made to move rotatably in the longitudinal direction of the weld bead of the weld zone. The tip end 80b of the rotary tool 80 is situated in the weld bead outside the surface of members 10, 20. As a result, the weld bead side from the tip end 80b of the rotary tool 80 is cut off and removed. With the pressing force and stirring force of the rotary tool 80 imparted to the weld bead, the air bubbles inside the weld zone 50 are put together and exhausted out of the weld zone 50. COPYRIGHT: (C)2008,JPO&INPIT
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