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一、引言在微电脑控制机床加工生产中,有时会遇到要求被加工的工件和刀具的相对位移为抛物线;或者加工某类工件用抛物线来近似比用其它曲线来近似更精确、更方便。这就需要抛物线插补程序。本文介绍一种简单的抛物线插补运算方法和在Z80单板机上实现的程序。二、播补运算公式根据抛物线的标准数学模型y=x~2/a~2,我们可得到如下关系式:
I. INTRODUCTION In the machining of micro-computer controlled machine tools, sometimes the relative displacement of the workpiece and the tool to be machined may be encountered as a parabola. Or the processing of a certain type of workpiece may be approximated by a parabola to be more precise and convenient than using other curves. This requires a parabolic interpolation procedure. This article presents a simple parabolic interpolation method and program implemented on a Z80 single board computer. Second, sowing the formula According to the standard mathematical model of parabola y = x ~ 2 / a ~ 2, we can get the following relationship: