对于相啮齿轮端面齿廓相互关系的分析表明，目前使用的几种基准齿形，当螺旋角传动比都比较大时，存在齿形干涉的危险。
Then, it is indicated that the gearing used presently, while its helix Angle and ratio are both big enough, is in danger of interference.
分析了端面齿廓形状与螺旋角及齿数的关系。
Besides, the relationship between the tooth shape and the helix Angle, and the number of teeth are studied.
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