This paper introduces the peculiarity of fixed processing cycles of drilling holes with SINUMERIK-810D/840D system, discusses method and skill of designing post processing of drilling holes with MasterCAM.

• 介绍SINUMERIK - 810D/ 84 0D系统孔加工固定循环的特点 ,设计孔加工固定循环基于Master CAM软件的后置处理方法和技巧