高阶椭圆锥齿轮齿形设计与加工  

Tooth Profile Design and Manufacture of Higher-order Elliptical Bevel Gears

作　　者：林超[1] 龚海[1] 侯玉杰[1,2] 聂玲[1] 

机构地区：[1]重庆大学机械传动国家重点实验室 [2]中国人民解放军96263部队

出　　处：《中国机械工程》2012年第3期253-258,共6页China Mechanical Engineering

基　　金：国家自然科学基金资助项目(50875269)

摘　　要：根据齿轮空间啮合原理,分析了范成法生成高阶椭圆锥齿轮齿廓过程中,范成刀具的空间走刀位置;建立了高阶椭圆锥齿轮齿廓的数学模型,推导出了高阶椭圆锥齿轮的齿面方程,得到了高阶椭圆锥齿轮副的虚拟实体及装配模型;探讨了采用五轴联动数控机床加工高阶椭圆锥齿轮的方法,通过高阶椭圆锥齿轮的加工与啮合试验,对高阶椭圆锥齿轮理论传动比与实际传动比进行了对比分析,验证了范成法生成高阶椭圆锥齿轮齿廓模型的正确性,以及采用五轴数控机床加工高阶椭圆锥齿轮的可行性。Based on the space engagement theory,the space position of cutter was analyzed when the tooth profile of a higher-order elliptical bevel gear was generated,a mathematical model of higher-order elliptical bevel gear＇s tooth profile was established;and then tooth surface equation of higher-order elliptical bevel gear was derived,pseudo-entity and assembly model of higher-order elliptical bevel gear were also acquired.Manufacturing methods by five-axis CNC of higher-order elliptical bevel gear were discussed,by the processing and mesh experimental research of a higher-order elliptical bevel gear pair,comparisons between experimental results and theoretical analysis was made to verify the mathematical model of higher-order elliptical bevel gear＇s tooth profile,and the feasibility of processing methods shows the processing methods can be used in the actual machining.

关 键 词：锥齿轮 非圆锥齿轮 范成法 齿面方程 

分 类 号：TH132.4[机械工程—机械制造及自动化]