Aimed at the interference problem in NC-lathe while the processing, this paper brings forward the solution which utilize program, and it turns out that this solution is correct in theory and practice.

• 针对在实践中遇到的数控车床加工的干涉问题,提出了用编程来解决的方法,并进行了理论证明,通过反复实践证明也是正确的。