花键计算DIN5480

DIN5480花键m6z68渐开线变位花键几何计算图号：1模数Mn1.25分度圆直径d127.5002齿数Z122分度圆直径d227.5003Z222齿顶圆直径da129.7504齿形角an30齿顶圆直径da227.5005齿顶高系数ha*0.450齿根圆直径df127.1256螺旋角β0齿根圆直径df230.1257中心距A0公法线长度Wn113.7468变位系数X10.450公法线长度Wn213.7469X20.450日期2020/5/2211:37总变位系数Xn4.1666666674取变位系数Xn10.4504.1666666674相目公式计算结果齿轮已知参数齿数Z122齿数Z222模数Mn1.25中心距A0第1页DIN5480花键m6z68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*0.151分度圆直径d1d1=Mn*Z127.527.500分度圆直径d2d2=Mn*Z227.527.5004啮合角awttgat=tgan0.5773502690.577at=arctgat0.52359877630.0005总变位系数Xninvawt=tgawt-awt0.0537514940.054invat=tgat-at0.0537514940.0546变位系数分配Xn1Xn2Xn1取值0.450.450Xn2=Xn10.4500.450Z2Z2=Z122.00022.0008齿顶高ha1ha2ha1=(ha*+x1)*Mn1.1251.125ha2=(ha*-x2)*Mn00.0009齿根高hf1hf2hf1=(ha*+cn-x1)*Mn0.18750.188hf2=(ha*+cn*+x2)*Mn1.31251.313第2页DIN5480花键m6z6810齿高h1h2h1=ha1+hf11.3131.313h2=ha2+hf21.3131.31311齿顶圆直径da1da2da1=m*z1+2*x1*m+2*0.45*m29.7529.750da2=m*z2+2*x2*m-2*0.45*m27.527.50012齿根圆直径df1df2df1=mz1+2*x1m-2*0.6*27.12527.125df2=mz2+2*x2m-2*0.6*m30.12530.12513公法线计算Wn1Wn2当量齿数Z*1Z*2Z*1=Z1*invat/invan79.3412822979.341Z*2=Z2*invat/invan79.3412822979.341跨测齿数K1K2(1+2*Xn/Z*)*(1+2*Xn/Z*)1.0228154751.0231.0228154751.023COSan*COSan0.750.750SQRT0.5223174090.5220.5223174090.522K14.1666666674K24.1666666674W*1W*2W*=COS(PI(K-0.5)+Z*INVan)10.5465501610.54710.5465501610.547第3页DIN5480花键m6z68Wn1Wn1=(W*1+2*Xn1*SINan)*Mn13.745687713.746Wn2Wn1=(W*2+2*Xn2*SINan)*Mn13.745687713.7463、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hf1hf20.60Mn备注：1、选择C2-C8、C13黄颜色单元参数2、适用于DIN5480标准备注：1、以上数据均为理论数据，齿顶系数cn*选为0.15。第4页