齿轮公法线及跨棒距

齿数模数176120.349066分度圆直径基圆直径21121984.631齿数模数128200.349066分度圆直径基圆直径25602405.613外齿圈待求数据0.0122718462*x*tan(a)/z26200.0122718460.002843517π/(2*z)中间数据齿顶圆直径半齿槽角齿厚上偏差齿厚下偏差-0.448-0.672200.5已知条件分度圆压力角变位系数公法线跨测齿数21内齿圈π/(2*z)0.0089249792*x*tan(a)/z0.0020680130.348367713inv(am1)0.01481219待求数据节圆棒压力角19.96inv(am)0.014812099齿顶圆直径2100半齿槽角0.010992992中间数据齿厚上偏差0.216齿厚下偏差0.336已知条件分度圆压力角20变位系数0.50.353341901外齿圈待求数据节圆棒压力角inv(am)inv(am1)20.2450.0154784290.015470441957.8553131-0.421公法线跨测齿数公法线长度公法线上偏差160.8530.5上偏差2.4987992.090.713451奇数齿2089.38下偏差1.4647120.340.116064偶数齿2089.4640.33983719.47122待求数据标准跨棒距2605.2638080.014904383中间数据标准棒径invad1/mzcos(a)0.01454930533.58382163510.25跨棒距偏差已知条件齿顶高系数齿顶隙系数定义节圆棒直径d1公法线上偏差0.203公法线下偏差0.316公法线长度759.9082616d1/mzcos(a)0.011085185inva0.014904383跨棒距待求数据标准棒径24.60975108标准跨棒距2079.10033中间数据齿顶高系数1齿顶隙系数0.25定义节圆棒直径d122已知条件上偏差-1.21664奇数齿2598.821下偏差-1.82351偶数齿2599.014待求数据跨棒距跨棒距偏差公法线下偏差-0.631