基于双重双面法的弧齿锥齿轮双侧齿面同步修形设计

Synchronous Modification Design for Bilateral Tooth Surface of Spiral Bevel Gear by Dual Duplex Spread Blade Method

针对弧齿锥齿轮的双重双面法加工方法,以小轮齿槽中点作为双侧齿面修形的参考点,通过预置双侧齿面的啮合参数,构建符合啮合性能要求的目标齿面,建立基于加工参数优化的目标齿面误差数学模型和约束函数,采用非线性约束优化函数反求大轮的加工参数。根据齿面几何接触分析和有限元接触分析,对优化后的加工参数进行验证,结果表明,齿面修形后的啮合性能满足预期需求。

Aiming at the dual duplex spread blade method for cutting spiral bevel gears,the midpoint of the tooth space of pinion is treated as the reference point for the bilateral modification tooth surfaces.The target tooth surface is constructed to meet with the meshing performance by predetermining of the meshing parameters.The mathematical model and constraint function of the target tooth surface errors based on the optimization of machining tool setting are constructed.The nonlinear constrained optimization function is used to derive the ma chining parameters of the gear.The optimized method is verified by tooth contact analysis and finite element con tact analysis.The simulation results show that the meshing performance meets the expected requirements after the tooth surface modification.