旋盤形複合加工機に存在する幾何偏差同定方法(機械要素,潤滑,工作,生産管理など)

概要

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This paper proposes a method for calibrating the geometric deviations inherent to multi-tasking turning centers with a swivel tool-spindle head. The number of geometric deviations of the turning centers is more than that of the tilting rotary table type machining centers. Therefore, six measurements by means of a telescoping ball bar are required in order to determine the inherent deviations. Simultaneous three axis motions are employed to measure the circular trajectories, and six sets of the eccentricities of the measured trajectories are taken and then the geometric deviations are calculated. Some geometric deviations measured are corrected by an NC program experimentally to confirm the effectiveness of the proposed method. It is found from the experimental results that the trajectories of the interpolation motions are considerably improved.
2009-02-25