| 摘要 |
A vibration machining device comprises a frame that forms a structure, a shaft that is rotatably held by the frame, an actuator that rotatably drives the shaft, a cam that is attached to the shaft and the cam surface of which reciprocates when the cam rotates because its height changes in the direction of rotation axis of the shaft, a spindle that holds a machining tool and which is supported so as to be able to reciprocate in its axial direction, and a transfer mechanism that transfers the reciprocation of the cam surface of the cam such that the spindle reciprocates in its axial direction. The reciprocating motion of the cam surface describes a modified sine curve during the period of one complete rotation of the cam.
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