| 摘要 |
PROBLEM TO BE SOLVED: To provide the structure of a weld part capable of enhancing strength of a joined portion of axle cases or other cylindrical members with each other. SOLUTION: In the structure of the weld part for performing the annular welding of one layer or a plurality of layers in the butt welding of base materials constituted of axle cases or other cylindrical members to each other, an annularly continuous weld parts are constituted of a plurality of welded portions, a plurality of connection parts in which ends of the respective welded portions overlap each other, and the length of the adjacent connection parts is set in a range of three to five times the thickness of the base materials. COPYRIGHT: (C)2008,JPO&INPIT |
