变位齿轮传动几何尺寸计算YTF91滚80齿
mZ1Z2αhaci
vαi
vα′a′未变位时的中心距a12mZ1Z2中心距变动系数уa′am啮合角cosα′aa′cosα总变位系数x∑Z1Z22ta
αi
vα′i
vαZ∑Z1Z2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°Z052x31415926ta
α跨齿数圆整kfloork11ayα′x∑Z∑Z∑2x1x2△yud1d2d1′d2′ha1ha2hf1hf2h1h2da1da2df1df2k1k2k1k2公法线长度Wkmcosα31415926k05Zi
vα2xta
αWk1Wk2变位量Xxmx称变位系数2258899201025001490400142621021037501666666671971697314016543660818793500165436608000123005811251982227519764705882223529412224723236918752812531847323695059732369505973236920249446472265192375216380535310277777781121063507101165874833887260913575
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