方程式計算

Formula Calculation

$$2tan \alpha_n \left({x_ {n1} +x_{n2} \over z_1 + z_2}\right) + inv \alpha_s$$

$${z_1 + z_2 \over 2cos \beta_ 0} \left({cos \alpha_s \over cos \alpha_ {bs}} - 1\right)\ $$

$$\left({z_1 + z_2 \over 2cos \beta_ 0} + y\right) m_n$$

$$tan^{-1}\left({tan \alpha_n \over cos \beta_ 0} \right)$$

齒直角方式轉位螺旋齒輪的計算

Calculation of Profile Shifted Helical Gear in the Normal System

中心距 a = Center Distance

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