摘要
针对节点外啮合齿轮传动的啮合特点,研究了外啮合与内啮合齿轮齿廓上综合曲率半径的变化规律;对常规的接触应力计算方法进行了改进,建立了节点外啮合齿轮的接触应力进行计算;求解了节点外啮合齿轮传动与普通齿轮传动的接触应力,并做了分析对比。计算结果表明,外啮合齿轮传动采用节点后啮合,内啮合齿轮采用节点前啮合可以提高齿轮传动的接触强度。
According to the node external gear pair＇ s characteristic, the comprehensive radius of curvature＇ s change rule is researched on, and the traditional contact stress calculation is improved. The load bearing capacity of the node external gear and the ordinary gear is calculated. The result shows that when the external-meshing gear meshing is behind the pitch point or the internalmeshing gear meshing is before the pitch point, the load bearing capacity of the gear can be improved.
出处
《机械制造与自动化》
2012年第6期28-30,39,共4页
Machine Building & Automation
基金
南航基本科研业务费专项资助:NS2012050
关键词
节点外啮合
综合曲率半径
接触应力
承载能力
node external gear
comprehensive radius of curvature
contact stress
load bearing capacity
