花键计算DIN5480

相目公式计算结果

齿轮已知参数

齿数Z122齿数Z222模数Mn 1.25中心距A0

齿面宽B100螺旋角β00齿高系数ha*0.45齿形角an0.52359877630齿顶系数cn*0.15 1分度圆直径d1d1=Mn*Z127.527.500分度圆直径d2d2=Mn*Z227.527.500 4啮合角a wt tgat=tgan0.5773502690.577 at=arctgat0.52359877630.000 5总变位系数Xn invawt=tgawt-awt0.0537514940.054 invat=tgat-at0.0537514940.054 6变位系数分配Xn1 Xn2Xn1 取值0.450.450 Xn2=Xn10.4500.450

Z2Z2=Z122.00022.000 8齿顶高ha1 ha2ha1=(ha*+x1)*Mn 1.125 1.125 ha2=(ha*-x2)*Mn00.000 9齿根高hf1 hf2hf1=(ha*+cn-x1)*Mn0.18750.188 hf2=(ha*+cn*+x2)*Mn 1.3125 1.313

10齿高 h1 h2h1=ha1+hf1 1.313 1.313

h2=ha2+hf2 1.313 1.313 11齿顶圆直径da1 da2da1=m*z1+2*x1*m+2*0.45*m29.7529.750

da2=m*z2+2*x2*m-2*0.45*m27.527.500 12齿根圆直径df1 df2df1=mz1+2*x1m-2*0.6*27.12527.125

df2=mz2+2*x2m-2*0.6*m30.12530.125

13公法线计算Wn1 Wn2

当量齿数 Z*1 Z*2Z*1=Z1*invat/invan79.3412822979.341

Z*2=Z2*invat/invan79.3412822979.341跨测齿数 K1 K2(1+2*Xn/Z*)*(1+2*Xn/Z*) 1.022815475 1.023

1.022815475 1.023

COSan*COSan0.750.750

SQRT0.5223174090.522

0.5223174090.522

K1 4.1666666674 K2 4.1666666674 W*1 W*2W*=COS(PI(K-0.5)+Z*INVan)10.5465501610.547

10.5465501610.547

Wn1 Wn1=(W*1+2*Xn1*SINan)*Mn13.745687713.746 Wn2Wn1=(W*2+2*Xn2*SINan)*Mn13.745687713.746

2、适用于DIN5480标准

3、C5单元参数输入角度数值

4、该程序适用于西欧DIN5480花键计算，内齿套不保根径，齿侧系数为0.15

齿根高hf1 hf2 0.60Mn

备注：1、以上数据均为理论数据，齿顶系数cn*选为0.15。