弧齿锥齿轮啮合过程弹流润滑最小润滑油膜厚度分析

严宏志; 黎超; 何国旗

doi:10.13433/j.cnki.1003-8728.2016.0102

弧齿锥齿轮啮合过程弹流润滑最小润滑油膜厚度分析

doi: 10.13433/j.cnki.1003-8728.2016.0102

1.
中南大学高性能复杂制造国家重点实验室, 长沙 410083;
2.
湖南工业大学机电工程学院, 湖南株洲 412000

基金项目:

教育部博士点基金项目(20120162110004)、国家重点基础研究发展计划项目(2011CB706806)及国家自然科学基金项目(51575533,51375159)资助

详细信息

作者简介:
严宏志(1964-),教授,博士后,研究方向为高速高精数字制造理论与技术研究,yhzcsu@163.com

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出版历程
- 收稿日期: 2014-04-10
- 刊出日期: 2016-01-05

Analysis of Spiral Bevel Gear EHL Minimum Film Thickness in Meshing Process

1.
State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China;
2.
School of Mechanical Engineering, Hunan University of Technology, Hunan Zhuzhou, 412000, China

摘要

摘要: 根据弧齿锥齿轮切齿加工原理,建立弧齿锥齿轮的齿面方程。并利用空间几何原理,将大小轮齿面方程放在同一个坐标系中进行啮合点计算得到啮合点在齿面上的位置分布。利用微分几何原理求得大小轮齿面啮合点处的法曲率和齿面卷吸速度等弹流润滑重要参数。用MATLAB软件编程计算,并用PRO/E三维软件建立几何模型。采用ABAQUS有限元分析软件,数值计算啮合过程中的油膜压力。基于Dowson-Higginson最小油膜厚度模型计算得到了光滑齿面不同啮合速度条件下弧齿锥齿轮啮合过程最小油膜厚度。
- 切齿原理 /
- 弧齿锥齿轮 /
- 弹流润滑 /
- 最小油膜厚度
Abstract: According to the cutting principle of spiral bevel gear, the tooth surface equation of spiral bevel gear is established. Put the equation of two contact gear faces in the same coordinate system, the positions of contact points could be obtained according to the space geometry theory. The principle curvatures of the contact points and the tooth surface relative velocity could be got using differential geometry theory. The geometric model is established by using MATLAB program and PRO/E. Using ABAQUS, the normal contact force could be got by the simulation results. Based on Dowson-Higginson equation, this article calculated and analyzed the minimum film thickness in the condition of different meshing velocity and discussed the most dangerous area during meshing process according to the minimum film thickness of spiral bevel gear.
- ABAQUS /
- bevel gears /
- calculations /
- computer simulation

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参考文献(15)

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