Based on the comparison of traditional process with NC machining about lathe,it analyzes the key technique of NC turning machining,summarizes the method on process plan design.

• 在比较数控车床加工工艺与传统加工工艺的基础上,对数控车床加工工艺中的关键问题进行了深入分析,总结了数控车床的工艺设计方法。