本文从数控车床实训教学的实际情况出发,针对学生在操作数控车床的加工过程中出现的撞刀原因进行了分析探讨,并提出了相应的防范措施,以减少撞刀事故的发生,对学生学习数控车床操作有重要的意义。 In this paper, starting from the actual situation of numerical control lathe training teaching, this paper analyzes and discusses the cause of the knife striking which occurred during the process of CNC lathe operation, and puts forward corresponding precautionary measures to reduce the occurrence of impact accident. Learning CNC lathe operation has important significance.