UG车轮参数形状优化及疲劳强度研究
毕业论文关键词：车轮；UG建模；有限元分析
Research on parameter optimization and the fatigue
strength of the wheel shape
Abstract：In order to adapt to the requirements of the train, the train speed increase constantly.
The action force between wheel and rail is increasing. In order to guarantee the high speed trai
n operation and improve the dynamics performance of vehicles, the comfort of passenger and re
duce railway repair cost, the wheel should be lightweight. It can reduced the running resistance,
the bearing load and the train vibration structure of the impact energy. Therefore, this article th
rough to achieve the lightweight wheels objective optimization design of wheel structure. Use S
tructure optimization of the main wheel to EMU CRC CW400 wear to the size limit trailer whe
el as the original parameter, change node position and plate geometry the spokes and rim, using
3D modeling software UG to establish the bogie wheel model. Then put the model into the finit
e element analysis software ANSYS. According to UIC510-5 standard and the loading conditio
ns, the analysis of structural strength of the wheel, should meet the strength requirements under
the premise of quality to reduce the wheel. When the working stress distributed as evenly as pos
sible, the wheel / rail and wheel rail noise can be reduce.
Key Words: Wheel；UG Modeling；Finite Element Analysis
目录
绪论 1
1.1 选题的背景及意义 . 1
1.2 国内外研究现状 2
1.3 本文研究内容 3
车轮形状优化分析原理 . 4
2.1 UG建模的设计变量 ... 4
2.2 ANSYS单元格选择及载荷作用位置 5
2.3 本章小结 .. 7
轮对建模 . 8
3.1 车轮材料 .. 8
3.2 拖车车轮草图绘制 . 9
3.3 本章小结 13
车轮有限元分析 . 14
4.1 车轮网格划分 .. 14
4.2 载荷加载及求解 .. 16
4.3 车轮静强度分析 .. 17
4.4 本章小结 21
结论 .. 22
致谢 . 24
参考文献 .. 25
附录 1 .. 26
附录 2 .. 28 1 绪论
1.1 选题的背景及意义
在中国，铁路运输已经成为国家发展经济的重要手段，它能够实现各个地区间的商
品流通，例如一些季节性的农副产品能够通过火车运送到中国的其他地方，还有大型机
械也可以由火车运输到各个城市等。铁路运输费用相对其他的运输方式来说，价格比较
低，而且运输范围广，是商家们的首选对象。中国的铁路在清朝时期已经萌芽，1876 年
7 月 3 日，中国开始出现了铁路——吴淞铁路。吴淞铁路是英国人在中国修建从吴淞到