还是G76省劲大径=20.955中径=19.794小径=18.633基准距离=8.2牙高=1.161每25.4毫米内的牙数=14螺距=1.814内轮廓大头直径=18.633内轮廓程序:G0 X20.571 Z1.G1 Z0.G1 X18.571 Z-1G1 X16.758 Z-30螺纹程序G76 P020055 Q100 R0.05G76 X19.205 Z-28P 1161 Q200 R0.969 F1.814