斜齿轮尺寸计算已 知结 果名 称代号计算公式mn16ms17.1383199法向模数mnms*cosβz128d1479.8729571端面模数msmn/cosβz270De1511.8729571齿数zd/msADi1439.8729571齿全高h2.25mnh36齿顶高h1mnh116d21199.682393齿根高h21.25mnh220De21231.682393节径dZ*msβ21Di21159.682393外径Ded+2mn0.366519143根径Did-2.5mn法向齿厚Stn/2螺旋角βcosβ=z*mn/dZ398d31679.55535导程Lπ*d*cosβDe31711.55535变位系数ξDi31639.55535