蜗杆三针计算公式
分度圆直径(d1)导程角(r)轴向齿形角(ax)
28.38704 4.95473650325
cosr an tgan
0.9962632424.9065810.464324161
1/sinan+1dm*(1/sinan+1)(px1-0.5πm)cosr/tgan
3.3745073251
4.37540127.046859997
蜗杆三针M值35.71558121