分析了圆柱直径的大小对齿轮M值测量结果的影响。
The effect of measurement cylinders diameters on the measuring result of the gears M Value is analysed.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
本文论述了变位直、斜圆柱齿轮快速测算法。这种测算法不仅测量参数简便，而且计算公式也简单。
The present paper describes the rapid determining method of profile modified straight bevel gear. The method is not only easy in parameter measure but also brief in formula calculation.
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