变位直齿圆柱齿轮几何尺寸计算YTF91滚80齿
mπZ1Z2αhaca′aα′i
vα′i
vαyx∑x∑2Z∑Z∑2x1x2△yud1d2d1′d2′ha1ha2hf1hf2h1h2da1da2df1df2k1k2K1K2Wk1Wk2225314159265488992010252102103751971697315001426001490401666666670165436605008271830318793500550110436605000123006111251982227519764705882223529412212348236219987529362530609823625059732362505973236220224696472267475192127521662803531027777778113068355101165790184827269378574
变位后的中心距a12mZ1Z2未变位时的中心距a12mZ1Z2啮合角cosα′aa′cosα渐开线函数渐开线函数中心距变动系数уa′am总变位系数x∑Z1Z22ta
αi
vα′i
vαx∑2Z∑Z1Z2Z∑2变位系数的分配及齿高变动系数x1、x2或△yx1、x2可按图332、333分配△yx∑y△yzZ1Z22齿数比uZ2Z1分度圆直径dZm节圆直径d1′2a′u1d2′ud1′齿顶高hahax△ym齿根高hfhacxm齿全高h2hac△ym齿顶圆直径dad2hax△ym齿根圆直径dfd2hacxm公法线跨齿数kα180°Z052xπta
α用floor（X，1）转换取整数公法线长度Wkmcosαπk05Zi
vα2xta
α变位量Xxmx称变位系数
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