| 摘要 |
PROBLEM TO BE SOLVED: To measure the unbalance of a rotor in an element stage such as after casting in a manufacturer. SOLUTION: An apparatus comprises a spindle 11 for supporting a rotary table 2 for rotation, a vibration detector 18 for detecting the amount vibration in a perpendicular direction of the shaft of the rotating spindle 11, an encoder 17 for detecting the rotation of the spindle 11, and a retaining tool 3 that is provided on the rotary table 2 and retains the rotor material 4 so that the rotary axis coincides with a rotary axis Ax of the spindle 11. COPYRIGHT: (C)2004,JPO
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