Abstract : the paper introduced calculation of plane cam curve detailly and compiled nc programs with the apt that ran good and imitated its pattern . the author analysed error of the program and its controls 文摘:详细地介绍了平面凸轮曲线的计算方法,分析了编制程序误差及其控制办法,并用apt国际标准语言编制出平面凸轮的数控加工程序,该程序顺利通过运行并进行图形仿真。