On the basis of analyzing the structure of Drawing Exchange File(DXF),We introduced how to get the drawing information from DXF file,how to get 3B Code program of CNC wire-cut EDM machine automatically by using the drawing information and the software designed on the basis of this method.%在分析DXF图形交换文件结构的基础上,介绍了从DXF文件中提取图形信息并自动转换成3B代码线切割程序的方法,以及利用该方法设计的软件。
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