| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel method of manufacturing a magnetostrictive ring material for torque sensor without a complicated process of assembling sintered components or preparing a pipe by cutting a metal bar material and a magnetostrictive ring annular material for a torque sensor obtained by the same. SOLUTION: In the method of manufacturing a magnetostrictive ring material for a torque sensor, after a cylindrical steel plate is made by subjecting a maraging steel plate material to spinning working, and the cylindrical steel plate is cut by a prescribed length to make the magnetostrictive ring material for a torque sensor. The magnetostrictive ring material for a torque sensor obtained by the method of manufacturing magnetostrictive ring material for torque sensor is the magnetostrictive ring material for torque sensor having a fibrous structure in which a cross sectional metal structure is curved. COPYRIGHT: (C)2008,JPO&INPIT
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