| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmitting shaft having stable torsional fatigue strength. SOLUTION: The power transmitting shaft 1 is an integrated hollow shaft which has a central pipe portion 1a having an outermost diameter and a shaft portion 1b having a connection such as a spline formed on the end outer peripheral face are integrally molded from the same element pipe. To an outer diameter face 1d of the power transmitting shaft 1, residual compressive stress of 750 MPa or greater is granted with shotpeening treatment. COPYRIGHT: (C)2005,JPO&NCIPI
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