绘形数字控制要求精确的位置和进刀率控制,以通过刀具的线性运动来逼近轮廓线。本文阐述了一种控制方案,使刀具以要求的斜率产生线性运动。该方案可顺次提供九种线性运动。为了逼近某一曲线,本方案可以扩展,或者连续地执行。 Plotted numerical control requires precise position and feed rate control to approximate the contour by the linear motion of the tool. This article describes a control scheme that causes the tool to produce linear motion at the required slope. The program provides nine linear movements in sequence. In order to approximate a certain curve, the solution can be extended or executed continuously.