渐开线花键计算 的花键计算公式
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渐开线外花键各参数计算表零件图号520e-3461齿数(Z)36
模数(m)2.5
压力角(α)30变位系数(xn)0
量棒直径(dp)4.9
公差等级(GB 3478.1-1995)6
基本偏差(GB 3478.1-1995)e
花键长度5.3
作用齿厚上偏差(esv)-0.072
总公差(T+λ)0.124054273
综合公差(λ)0.049554588加工公差(T)0.074499685
周节累积公差(Fp)——齿距累积总偏差(Fp)0.071949909齿圈径跳公差(Fr)查表
齿形公差(ff) ——齿廓总偏差(Fα)0.0395
齿向公差(Fβ) ——螺旋线总偏差0.009177716
分度圆直径(d)90
基本齿厚(S)3.926990817
作用齿厚最大值(Svmax)3.854990817
实际齿厚最小值(Smin)3.730936544
实际齿厚最大值(Smax)3.805436229
作用齿厚最小值(Svmin)3.780491132
齿形裕度(CF)0.25
外花键渐开线起始圆直径最大值(DFemax)87.04371208
30°平齿根和圆齿根-外花键大径基本尺寸(Dee)92.5
外花键大径上偏差-0.125外花键大径公差30°平齿根-外花键小径基本尺寸(Die)86.25
外花键小径上偏差-0.125外花键小径公差(从IT12、IT13和IT14中选取)invαM=invα+dp/(m×Z×COSα)+Smin/(m×Z)-π/Z0.070806911
用迭代法求αM32.63603236
外花键跨棒距的最小值(Mmin)97.45557
外花键跨棒距的公差(T)0.119633899
invαM'=invα+dp/(m×Z×COSα)-π/2Z+2xntgα/Z0.072985292用迭代法求αM'32.93685711外花键跨棒距M'(名义值)97.76911299
跨齿数(k=az/180°+0.5)四舍五入整数6
公法线长度名义值(Wk)41.59912619
公法线长度最小值(Wmin)41.42933821
公法线长度最大值(Wmax)41.49385683
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