变位螺旋伞齿轮几何尺寸计算

变位螺旋伞齿轮几何尺寸计算π3.141592654大端模数m=d1/Z1=d2/Z2m1.5齿型角α20齿数小齿轮Z115大齿轮Z256传动比i=Z2/Z1i3.733333333分度圆直径d1=mZ1d122.5d2=id1d284节锥角δ1=arctanZ1/Z2δ114.99507913δ2=90-δ1δ275.00492087锥距R=d1/2sinδ1=d2/2sinδ2R43.48059912齿宽b=ΨR，Ψ=0.3与b13.04417974b=10m，取小值b15齿距P=πmP4.71238898工作齿高h′=1.7m；(Z1＜12查表)h′2.55齿全高h=1.950m(m≤1.3mm)；(Z1＜12查表)h2.925h=1.888m(m＞1.3mm)；(Z1＜12查表)h2.832齿顶高ha1=h′-ha2ha11.818027742ha2=0.46m+0.39m/(Z2/Z1)(Z2/Z1)；(Z1＜12查表)ha20.731972258m＞1.3mm齿根高hf1=h-ha1hf11.013972258h=1.888m(m＞1.3mm)hf2=h-ha2hf22.100027742h=1.888m(m＞1.3mm)顶隙c=h-h′c0.282h=1.888m(m＞1.3mm)齿根角θf1=arctanhf1/Rθf11.335901622θf2=arctanhf2/Rθf22.765125152齿顶角θa1=arctanha1/R;(正常收缩齿)θa12.394278808θa2=arctanha2/R;(正常收缩齿)θa20.964452211θa1=arctanhf2/R;(等齿顶隙)θa12.765125152θa2=arctanhf1/R;(等齿顶隙)θa21.335901622顶圆锥角δa1=δ1+θa1;(正常收缩齿)δa117.38935794δa2=δ2+θa2;(正常收缩齿)δa275.96937308δa1=δ1+θf2;(等齿顶隙)δa117.76020428δa2=δ2+θf1;(等齿顶隙)δa276.34082249根圆锥角δf1=δ1-θf1δf113.65917751δf2=δ2-θf2δf272.23979572齿顶圆直径da1=d1+2ha1cosδ1da126.01224071da2=d2+2ha2cosδ2da284.37877527冠顶距Ak1=d2/2-ha1*sinδ1Ak141.52961062Ak2=d1/2-ha2*sinδ2Ak210.54295282m≤1.3mm齿根高hf1=h-ha1hf11.106972258h=1.950m(m≤1.3mm)hf2=h-ha2hf22.193027742h=1.950m(m≤1.3mm)顶隙c=h-h′c0.375h=1.950m(m≤1.3mm)齿根角θf1=arctanhf1/Rθf11.458377802θf2=arctanhf2/Rθf22.887376243齿顶角θa1=arctanha1/R;(正常收缩齿)θa12.394278808θa2=arctanha2/R;(正常收缩齿)θa20.964452211θa1=arctanhf2/R;(等齿顶隙)θa12.887376243θa2=arctanhf1/R;(等齿顶隙)θa21.458377802顶圆锥角δa1=δ1+θa1;(正常收缩齿)δa117.38935794δa2=δ2+θa2;(正常收缩齿)δa275.96937308δa1=δ1+θf2;(等齿顶隙)δa117.88245537δa2=δ2+θf1;(等齿顶隙)δa276.46329867根圆锥角δf1=δ1-θf1δf113.53670133δf2=δ2-θf2δf272.11754463齿顶圆直径da1=d1+2ha1cosδ1da126.01224071da2=d2+2ha2cosδ2da284.51747217冠顶距Ak1=d2/2-ha1*sinδ1Ak141.52961062Ak2=d1/2-ha2*sinδ2Ak210.54295282