数値制御工作機械送り駆動系の加減速指令一設計法

概要

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This paper presents a design method of acceleration and deceleration commands for a feed-drive system of NC machine tools. In general, the design method of such commands is in a black box, and has not been opened. However, it is important to make clear the design method in order to get high motion accuracy of the feed-drive system at high feed speed. In this paper, two cases of the typical motions are discussed; one is for circular interpolation motion, and the other is for corner tracking that is one of linear motions. In the circular motion, a constant acceleration technique is designed, and in the linear motion, an exponential acceleration technique is designed. From the experimental results, the improvement of the circular and corner trajectories and the effectiveness of the proposed design methods are confirmed.
2000-08-05