This paper study the difference of the data format between DXF files and NC Code files.And give the suitable way to resolve the difference.The system realize by OOD method.

• 这里研究了DXF文件与数控NC代码对零件信息描述的差异,给出合适的解决方法,并应用面向对象的程序设计方法进行系统的实现。