| 摘要 |
PROBLEM TO BE SOLVED: To provide a mass centering machine with a rotor holding device which has no shift in a centroid position.SOLUTION: A rotor holding device includes: a rotor reception part 27 fitted to a rotary disk 25; and a clamp unit 28 for clamping a rotor 26 received by the rotor reception part, and the clamp unit 28 includes: a clamp shaft 101 which is provided on a disk surface of the rotary disk 25 in an orthogonal direction, a clamp lever 102 which is provided swingably on the clamp shaft while having the centroid on an axis of the clamp shaft, and has a clamp claw 103 at one end, and a spring structure 104 which is incorporated in the clamp shaft, and has the centroid on the axis of the clamp shaft and applies predetermined elastic force to the clamp lever in a predetermined direction so that the clamp claw of the clamp lever clamps the rotor. |
