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大量资料表明,预测齿轮胶合常用的PV曲线在较宽的速度范围内具有抛物线型特征,过去还没有一种理论能对此作出合理的解释,本文根据齿轮润滑中不同的节线速度范围提出了反应膜的机械磨损和化学分解两种失效机理,进而对这两种机理作出了定量描述。在此基础上建立了一个综合计算模型,即胶合载荷与节线速度间是近似的二次函数关系,该综合模型与有关文献的试验结果相一致。本文为PV典线的高—低—高变化规律提供了合理的解释。
A large amount of data shows that the PV curve commonly used in predicting gear bonding has a parabolic characteristic over a wide speed range. In the past, no theory could give a reasonable explanation. According to the different range of nodal speeds in gear lubrication The reaction membrane mechanical wear and chemical decomposition of two failure mechanisms, and then made a quantitative description of these two mechanisms. On this basis, a comprehensive calculation model is established, that is, the approximate quadratic function between the gluing load and the nodal speed is consistent with the experimental results of the related literatures. This paper provides a reasonable explanation for the high-low-high variation of PV line.