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提出了一种啮合齿向误差计算方法，即将齿轮轴线倾角分成两个分量，分别计算啮合齿向误差，然后按方向进行叠加；用这种方法可以分析多种外界因素对齿轮啮合的影响，如箱体变形、轴端受力、轴线挠曲等；可以形成适当的空负荷啮合齿向误差，使工作状态下啮合齿向误差得到补偿；可以根据齿轮接触情况验算齿轮强度；在不增加啮合齿向误差的前提下，合理给定支承平行度要求。
A method to calculate the tooth-to-tooth error is proposed, which is to divide the gear’s inclination angle into two components and calculate the tooth-to-tooth error respectively and then add them according to the direction. This method can analyze the influence of various external factors on gear meshing, The deformation of the box body, the axial end of the force, the axis of flexure, etc .; can form the appropriate gear meshing error, so that the working state of the meshing tooth to be compensated for error; gear contact conditions can be verified gear strength; To the premise of error, reasonable support given the degree of parallelism requirements.