变位齿轮凑中心距计算1.已知中心距a'求变位系数x(输入)m=4mt=4(输入)Z1=60(输入)Z2=28(输入)αn=20(角度)0.34906585(弧度)(输入)β=0(角度)0(弧度)分圆直径d1=240分圆直径d2=112未变位时中心距a'=176(输入)变位后中心距a=176.243中心距变动系数yt=0.06075yn=0.06075切向压力角αt=0.34906585(弧度)啮合角α'cosαt'=0.93839699αt'=0.35283451(弧度)invαt'=0.01540952invαt=0.01490438总变位系数xΣ=0.06106505(输入)xn1=0.166查图14-1-5(b)或图14-1-7xn2=xΣ-x1-0.1049349齿顶高变位系数Δyn=0.00031505齿顶高ha1=4.66273979ha2=3.579(输入)hn*a=1(输入)C*n=0.25齿根高hf1=4.336hf2=5.41973979齿全高h1=8.99873979h2=8.99873979齿顶圆直径(滚齿)da1=249.32548da2=119.158齿根圆直径(滚齿)df1=231.328df2=101.16052