基于短幅内摆线发生原理的倒锥齿加工技术研究  

Research on Machining Technology of Reverse Taper Teeth Based on Principle of Short-amplitude Cycloid Generation

作　　者：陈新春 詹东安 毕梦雪 闫乃晴 Chen Xinchun;Zhan Dong'an;Bi Mengxue

机构地区：[1]江苏徐工工程机械研究院有限公司,江苏徐州221004 [2]徐工集团高端工程机械智能制造国家重点实验室 [3]江苏汇智高端工程机械创新中心有限公司

出　　处：《工程机械》2022年第3期92-95,I0018,共5页Construction Machinery and Equipment

基　　金：江苏省双创计划。

摘　　要：啮合套是重载工程车辆变速器换挡的关键零件。其倒锥齿面加工质量直接决定着变速器的使用性能。为了满足高精高效加工生产需求,提出一种基于短幅内摆线发生原理的倒锥齿加工方法。依据啮合套倒锥齿面结构特点,建立基于短幅内摆线发生原理的倒锥齿加工数学模型。以某重载工程车辆变速器啮合套倒锥齿加工为例,采用本研究成果进行加工试验。结果表明,倒锥齿面的齿向误差和齿廓误差分别为0.009 m m和0.018 m m,分别小于0.01 m m和0.02 m m的啮合套倒锥齿加工精度要求,加工时间由传统挤压加工300 s/件缩短至35 s/件,大幅度提高了倒锥齿加工效率,证明所提出的基于短幅内摆线发生原理的倒锥齿加工方法有效。The meshing sleeve is a key part of the transmission shift of the heavy-duty engineering vehicles.The machining quality of its reverse taper teeth surface directly determines the service performance of the transmission.In order to meet the machining and production requirements of high precision and high efficiency,a machining method for the reverse taper teeth based on the principle of short-amplitude cycloid generation is proposed.According to the structural characteristics of the reverse taper teeth surface of the meshing sleeve,a mathematical model of the reverse taper teeth machining based on the principle of short-amplitude cycloid generation is constructed.Taking the machining of the reverse taper teeth of the transmission meshing sleeve of a heavy-duty engineering vehicle as an example,the machining test is carried out by using the outcomes of this research.The results show that the tooth axial error and the tooth profile error of the reverse taper teeth surface are0.009 mm and 0.018 respectively,which are less than 0.01 mm and 0.02 mm,the machining accuracy requirements of the reverse taper teeth of the meshing sleeve.The machining time is shortened from300 s/piece by traditional extrusion to35 s/piece,which greatly improves the machining efficiency of the reverse taper teeth and proves the effectiveness of the machining method based on the principle of short-amplitude cycloid generation.The research outcomes provide technical support for the high-precision and highefficiency machining of the transmission core parts of heavy-duty engineering vehicles.

关 键 词：啮合套 倒锥齿 短幅内摆线 加工精度 加工效率 

分 类 号：TH132.46[机械工程—机械制造及自动化]