| 摘要 |
PROBLEM TO BE SOLVED: To provide a friction welding equipment for a propeller shaft in which a shaft stub is reduced in size and weight, the slip at a large diameter shaft end and a twist of a small diameter base shaft are eliminated, and the commercial value is improved. SOLUTION: In a friction welding equipment for a propeller shaft in which one shaft and the other shaft stub 2 are concentrically arranged, and pressed against each other while rotated in a relative manner to each other to effect the friction welding, the shaft stub 2 expands one end of a small diameter base shaft 3 to form a large diameter shaft end 4, a locking engagement part 4a is formed on the large diameter shaft end 4, a clamp jig 27 to be fixed to and supported by jig supporting means 21, 22 to hold and rotate the shaft stub 2 holds the large diameter shaft end 4 of the shaft stub 2, and a jig side engagement part 32 provided on a locking jig 30 to be fixed to and supported by the jig supporting means 21, 22 is engaged with the locking engagement part 4a of the large diameter shaft end 4.
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