| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a composite welding process which forms efficiently a weld zone of high quality in a welding member. SOLUTION: When in this composite welding process, a weld zone is formed on an welding member 17, an welding rod 16 is added to a laser beam 12, an arc 20 and a shielding gas 19 so as to promote the fluidity of a molten-metal part 18.</p> |
