蜗轮蜗杆副计算

端面模数m2蜗杆头数Z11蜗轮齿数Z226传动比i=Z2/Z126中心距a38.5(38.29)齿顶隙C=cm(c=0.2)0.4蜗杆直径系数q12.29蜗杆导程角γ=atan(z1/q)0.081194.651736014°39′6″蜗杆导程pz=px*z1=pi*z1*m6.28319蜗杆齿顶高ha1=ha*m2蜗杆齿根高hf1=(ha+c)m2.4蜗杆齿顶圆直径da1=m(q+2)28.58蜗杆分度圆直径d1=qm24.58蜗杆齿根圆直径df1=d1-2hf119.78z1=1,2b1=(12+0.1z2)m29.2z1=3,4b1=(13+0.1z2)m31.2蜗杆轴向齿距px=pi*m6.28319蜗杆轴向齿厚sx=0.5pi*m3.14159蜗杆轴向齿形角α0.3490720°蜗杆法向齿厚sn=sx*cosγ3.13124蜗杆法向齿形角αn=atan(tanα*cosγ)0.3480119.939320319°56′21″蜗轮分度圆直径d2=z2m52蜗轮齿根圆直径df2=d2-2hf247.62蜗轮齿根高hf2=m(ha-x2+c)2.19蜗轮喉圆直径da2=(z2+2+2x2)m56.42(56)z1=1da2max=da2+2m60.42z1=2,3da2max=da2+1.5m59.42z1=4da2max=da2+m58.42蜗轮喉圆母圆半径rg2=a-da2/210.29蜗轮齿根圆弧半径rf2=0.5da1+0.2m14.69蜗轮齿宽角θ＝2*Asin(b2/d1)#NUM!蜗轮厚度b232蜗轮变位系数x2=(a/m)-(d1+d2/2m)0.105-1=x2=0.5，尽量取负值主要参数蜗杆参数蜗轮参数蜗杆螺纹部份长度蜗轮最大外圆直径