| 摘要 |
PURPOSE: A concentric settlement device of a ring shaped work piece is provided to shorten concentric settlement time, enhance productivity, and minimize defect rates. CONSTITUTION: A concentric settlement device of a ring shaped work piece comprises a spinning table(110), a plurality of chucks(120), a movement forcing unit(130), a plurality of distance sensors(140), and a control part(150). The spinning table is pivotally installed on one side of a processing device(200). The chucks hold a ring shaped work piece on one side of the top of the spinning table, which support the ring processing object. The movement forcing unit forces the linear reciprocating movement of the chucks. The distance sensor measures the distance from one side of the movement forcing unit to the inner circumference of the ring shape work piece. The control part compares the measured distance from the distance sensors and the predetermined distance to control the operation of the movement forcing unit.
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