| 摘要 |
PROBLEM TO BE SOLVED: To provide a balance-testing machine capable of easily removing a roller presser and securely pressing a rotor to be tested. SOLUTION: A roller bearing 101 is fixed to the upper surface of a trestle 102, one end of a rotor presser 103 is detachably fixed to the upper surface of the trestle 102 by a fixing mechanism 30, and the other is rotatably fixed by a rotary shaft 40. The fixing mechanism 30 is provided with a rotary part 31 that is rotatably mounted to the rotor presser 103 and a fixing member 32 that is mounted to the upper surface of the trestle 103 and mates with the rotary part 31. In this case, the center axis of a rotary shaft 34 is located outside the center axis of a projection part 35.
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