车双头螺纹用g92、g76都可以车,比如m30x2车双头螺纹,那导程就是4.0,程序如下:s700m03g00x33.z3.g76p010560q80r0.05g76x27.4z-40p1300q500f4g00x33.z5.g76p010560q80r0.05g76x27.4z-40p1300q500f4这样编就可以了,。如有不懂还可以q我164869890