Instead, and as their name implies, the teeth on a helical gear are inclined at an Angle so that each tooth wraps on the gear's cylinder in the shape of a shallow helix.
反之，并作为其称号所暗示地，牙齿上地螺旋齿轮倾向于一个角度，使每一个齿完毕对齿轮地圆筒外形地浅螺旋。
There is no common normal in the conical involute gear and the fixed chordal tooth thickness can not be measured accurately because of the coexistence of helix angle and taper.
渐开线锥形齿轮由于同时存在锥度和螺旋角，使得其固定弦齿厚无法精确测量，也没有公法线。
Besides, the relationship between the tooth shape and the helix Angle, and the number of teeth are studied.
分析了端面齿廓形状与螺旋角及齿数的关系。
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