修形斜齿轮的轮齿接触分析

应用Litvin最近的齿轮啮合理论,推导了修形斜齿轮的齿面接触与边缘接触的全部计算过程,能够对修形斜齿轮的齿面展成和具有不同误差及修形的斜齿轮接触过程进行计算机仿真。还以刀具齿廓修形和CNC机床修形为例,讨论了齿面修形对改善齿轮传动性能的作用,以及相应的修形设计方法。 

TOOTH CONTACT ANALYSIS OF MODIFIED HELICAL GEARS

An approach for calculating tooth working-surface contact and tooth edge contact of modified helical gears is proposed.The generation of tooth surface and Tooth Contact Analysis(TCA)of the modified helical gears under various errors can be simulated on computer by the aid of this approach.Then,the tooth modification by changing tooth profile of rack-cutter and by CNC machine is considered.As an example,TCA on pair of modified helical gears is completed by using above metioned approach,and the improvement for contact under errors is shown.This method can be used for modification of helical gears.