齿轮公法线-跨棒距-及各参数计算

齿数z20模数m1.5变位系数x0.344棒（球）直径dp2.5invα压力角α20α螺旋角β15顶隙系数c*0.25α齿顶高系数ha*1invα28.9827.1233.0126.26模数mn滚刀头数k螺旋角β差动0.1172193385467822a*c/b*d＝±9*[sinβ/（mn*k)]1523Y3180E/YM3180E滚齿机差动挂轮调整公式已知压力角求渐开线函数0.1399876206653030000039.9239.9210130733公法线Wk+1分度圆直径d齿根圆直径df求解反渐开线函数0.14000000000000000000基圆直径db齿顶圆直径da跨齿数K外齿跨棒距M内齿跨棒距M公法线Wk°°1.55291427122.1921133220.646896492.828179657齿厚sn端面齿厚st2.0161.3593.3752.731811772齿槽宽en1.980577208径节Dp16.933333333已知压力角求渐开线函数0.1399876206653030000039.9239.921013073316.3178735977齿顶高ha端面模数mt11.8896764465端面压力角αt当量齿数zv33.317545334328.7502701094齿根高hf全齿高h求解反渐开线函数0.14000000000000000000