本代码为数控车床加工螺纹的过程演示，包括参数选定，如何选取查补算法，可供机械类学生学习。详细过程里面有2个视频。-The code for the process of CNC lathe demo thread, including the parameters selected, how to select the check fill algorithm, for mechanical students. Detailed process there are 2 videos.