Abstract: To fully ascertain the advent and current status of STEP-NC,the research works on this subject for the past decade were reviewed,and the relevant research in analysis process were presented in five main aspects.Scientific issues and technical difficulties in future research were identified.The key technologies to implement STEP-NC manufacturing were pointed out.The trend of developing STEP-NC manufacturing system was proposed to combine advanced manufacturing system with STEP-NC.

Key words: STEP-NC, numerical control machining, manufacturing system, computer aided technology

摘要： To fully ascertain the advent and current status of STEP-NC,the research works on this subject for the past decade were reviewed,and the relevant research in analysis process were presented in five main aspects.Scientific issues and technical difficulties in future research were identified.The key technologies to implement STEP-NC manufacturing were pointed out.The trend of developing STEP-NC manufacturing system was proposed to combine advanced manufacturing system with STEP-NC.

关键词: STEP-NC, 数控加工, 制造系统, 计算机辅助技术