考虑齿面摩擦影响的非对称齿轮齿根弯曲应力计算

兵工学报 ›› 2011, Vol. 32 ›› Issue (7): 884-889.

考虑齿面摩擦影响的非对称齿轮齿根弯曲应力计算

李秀莲^1，2，王贵成¹，朱福先²，周金宇²，何庆²

（1.江苏大学机械工程学院，江苏镇江 212013； 2.江苏技术师范学院机械与汽车工程学院，江苏常州 213001）

收稿日期:2009-11-15 修回日期:2009-11-15 上线日期:2014-05-04
通讯作者: 李秀莲 E-mail:lixiulian@jstu.edu.cn
作者简介:李秀莲（1970—），男，副教授，博士研究生
基金资助:
国家自然科学基金资助项目（51075192，50805070）; 江苏技术师范学院科研基金项目（KYY10010）

Calculation of Bending Stress of the Asymmetric Gear Tooth Root Based on Friction Between Teeth

LI Xiu-lian^1，2， WANG Gui-cheng¹， ZHU Fu-xian¹， ZHOU Jin-yu¹， HE Qing¹

（1.School of Mechanical Engineering，Jiangsu University，Zhenjiang 212013，Jiangsu，China； 2.School of Mechanicaland Automobile Engineering，Jiangsu Teachers University of Technology，Changzhou 213001，Jiangsu，China ）

Received:2009-11-15 Revised:2009-11-15 Online:2014-05-04
Contact: LI Xiu-lian E-mail:lixiulian@jstu.edu.cn

摘要/Abstract

摘要： 针对非对称齿轮齿根弯曲应力计算中不计齿面摩擦的现状。以一对非对称渐开线直齿增速齿轮机构中主动轮为研究对象，在综合考虑齿面摩擦影响的情况下，建立轮齿的受力模型。通过系统地分析、研究，分别针对单、双齿啮合情况，推导出齿面摩擦作用下非对称齿轮齿根弯曲应力的优化计算公式，并给出了相应的计算流程图。对影响非对称齿轮齿根弯曲应力的相关因素进行了探讨。仿真计算表明，在非对称齿轮齿根弯曲应力计算中，齿面摩擦的影响不容轻易忽视。

关键词: 机械设计, 非对称齿轮, 摩擦, 齿根弯曲应力

Abstract: The effect of the sliding friction can not be neglected in the tooth root bending stress calculation. Taking an asymmetric driving gear as a research object, this paper deduces the calculation equations of the driving gear tooth root bending stress, which consider the sliding friction between teeth, and offers the computation flowchart, for the meshing point characteristic both in single tooth and double teeth mesh, respectively. And the factors which influence the tooth root bending stress are analyzed. The simulation results show that the friction has great effect on the tooth strength.

Key words: machinery design, asymmetric gear, friction, bending stress

中图分类号:

TH132.413

李秀莲，王贵成，朱福先，周金宇，何庆. 考虑齿面摩擦影响的非对称齿轮齿根弯曲应力计算[J]. 兵工学报, 2011, 32(7): 884-889.

LI Xiu-lian， WANG Gui-cheng， ZHU Fu-xian， ZHOU Jin-yu， HE Qing. Calculation of Bending Stress of the Asymmetric Gear Tooth Root Based on Friction Between Teeth[J]. Acta Armamentarii, 2011, 32(7): 884-889.

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