变位系数计算

一轴一轮压力角20螺旋角1二轴二轮压力角20螺旋角1三轴三轮压力角20螺旋角1tancos10.363970.939693可更改区域查表得出X1设定变位系数tancos10.363970.939693tancos10.363970.939693速比0.010912822非变位中心距中心距变动系数模数齿数实际中心距输入轴1.75955.855.86933-0.03962一轮1.7551二轮2.5440.1271.99670.501780.595289二轴2.590.47三轮34389.3989.39093-0.00031三轴313模数齿数实际中心距INVAWTINVAT输入轴1.75955.80.0173150.017793一轮1.7551二轮2.54471.990.0265090.017793二轴2.59三轮34389.390.0177890.017793三轴313z/输入轴10.74453一轮60.88567二轮52.52881二轴10.74453三轮51.33498三轴15.51988角变位齿轮变位系数计算中间数据（齿轮传动设计手册）图2-720invan压力角0.01490420invan压力角0.01490420invan压力角0.014904tan/cos1cos（分度圆压力角）螺旋角200.3873290.9324950.933653818tan/cos1螺旋角150.3873290.9324950.91321804tan/cos1螺旋角150.3873290.9324950.932504899中心距变动系数分度圆压力角啮合角an=2021.1728320.9882629920°59′18〃an=2021.1728324.0460806821°10′22〃an=2021.1728321.1712883621°10′22〃总变位系数XNΣ螺旋角20齿高变动系数-0.039450.0001645220.6345990.039309583-0.000311.0816E-08