轮廓数控系统能将刀具或工件向任一角度，也可沿曲线轨迹移动。
Contouring NC systems can direct the tool or workpiece to move at any Angle, and also along curved paths.
点位数控系统基本上是一个定位系统，其主要目的是将刀具或工件从一个编程点位移至另一个点位。
Point-to-point NC system is basically a positioning system. Its primary purpose is to move a tool or workpiece from one programmed point to another.
零件的加工质量取决于机床、夹具、工件和刀具组成的工艺系统及加工工艺参数等因素。
The quality of the machined part mainly depends on the complicated process system which consists of machine tools, fixture, workpiece, cutter and process parameters etc.
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