In this paper, the NC machining and programing for these parts is introduced, graphic NC programing system is discussed and a research is made on its designing and development.

• 本文着重介绍该类零件数控加工方法和加工程序的编制；同时对该类零件的图形自动编程系统的开发进行讨论，探讨了系统设计和实现方面的技术。