| 摘要 |
PROBLEM TO BE SOLVED: To provide an automobile wheel made of aluminum capable of preventing deformation, particularly buckling, of the periphery of insertion holes for hub bolts. SOLUTION: In the automobile wheel made of aluminum, bolt holes (4) for attaching a disk (2) are formed in inserts (40, 402-407), the inserts (40, 402-407) are made of a different material from aluminum, and are joined with aluminum (casting aluminum or forging aluminum) constituting the disk (2) by friction welding. COPYRIGHT: (C)2010,JPO&INPIT |
