Determination of the bending strength of gear teeth of circular-arc profile gear is very difficult due to many unknown factors, which would be also a complicated problem in the field of elasticity.

确定圆弧形齿轮轮齿强度将涉及到很多因素。就是在弹性理论上来看也是一个复杂的课题。

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Through the calculation of the finite element method(FEM) models for double circular arc profile spiral bevel gear, the stress changing pattern along the length of the tooth is obtained.

用有限元方法，对双圆弧弧齿锥齿轮沿齿长方向齿根应力进行了计算。 通过应力计算结果的分析，得出了凸、凹两齿侧应力沿齿长的分布规律。

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So it is necessary to improve measures by adding the sweeping side teeth and modifying the tooth profile from rectangle into circular arc in the top disc.

据此在端盘上增加扫边齿和齿座外形由直角形改为圆弧形的改进措施。

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