| 摘要 |
PROBLEM TO BE SOLVED: To provide a welded part structure and a welding method wherein strength of the welded part between a board material and a mother material is improved without increases of a board material thickness and the number of component items. SOLUTION: The welded part structure is a fillet welding part structure between the board material 32 and the mother material 30 and 31. At an edge part of the board material 32, a contacting part 1 coming into contact with the mother material 30 and 31, an inclined part 2 which is formed to be continued from the contacting part 1 and tilted in a direction separating from the mother material 30 and 31 to the contacting part 1, and a step part 3 which is formed to be continued from the inclined part 2 and arranged with a predetermined space h to the mother board 30 and 31, are provided. A welding bead 5 is provided such that the bead covers the contacting part 1 and at least a part of the inclined part 2. COPYRIGHT: (C)2004,JPO&NCIPI
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