The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.

从弹塑性理论出发以圆截面轴为例对校正应力与残余变形进行了分析研究，提出了在给定弯曲误差下的校正载荷的计算公式。

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The load assignment formula and the method of the double circular arc gear under the wiring error influence between the contact mark was introduced and inferred.

介绍并推导双圆弧齿轮在安装误差影响下接触迹间载荷分配的计算公式和方法。

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The formula contains a circular reference (the calculated column refers to itself). You must remove or change the circular reference.

公式包含循环引用（计算列引用其本身）。必须删除或更改循环引用。

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