| 摘要 |
PROBLEM TO BE SOLVED: To provide the joining structure by which a joined part excellent in reliability in strength and quality is realized in good productivity and design freedom in the joining direction of members each other is enlarged. SOLUTION: One member 1 is made of aluminum extruded stock and the other member 2 is made of aluminum die cast stock, the end part of extruded member 1 is inserted/fitted in the inserting hole part 2c for fitting arranged in the die cast member 2, both members 1, 2 are integrally joined at the fitting part by friction welding method to soften/join with friction heat. |
