Based on a nc machine tool, the coordinate system, reference point and their relations are analysed. Several useful presetting cutter methods are also presented in this paper.
以数控车床为例，分析了数控机床使用中各种坐标系、参考点及其相互关系，从实用角度介绍了几种常见的对刀方法。
This paper analyses the principles of presetting cutter in CNC machining, and puts several routine methods of presetting cutter, and use typical examples to illustrate these.
分析了数控加工的对刀原理，讨论了常用的几种对刀方法，并用典型实例加以说明。
This paper analyses the principles of presetting cutter in CNC machining, and puts several routine methods of presetting cutter, and use typical examples to illustrate these.
分析了数控加工的对刀原理，讨论了常用的几种对刀方法，并用典型实例加以说明。
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