With the control system continuously improve performance, the mechanical structure of NC lathe is ceaseless and perfect, already became a kind of high automation, high flexible processing equipment, has the following features: high precision, quality and stability; high processing efficiency; adapt to a wide range, good flexibility. In the operation process, tool setting is extremely crucial step, this paper mainly elaborates the correct operation of some commonly used methods and skills.%随着控制系统性能不断提高,机械结构不断完善,数控车床已成为一种高自动化、高柔性的加工设备,具有以下特点:加工精度高、质量稳定；加工效率高；适应范围广,灵活性好.在其操作过程中对刀操作又是极其关键的步骤,本文重点阐述了在对刀操作中的一些常用方法技巧.
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