| 球墨铸铁转向节柱疲劳性能研究 |
| |
| 引用本文： | 高秋金,徐志军,晏金军.球墨铸铁转向节柱疲劳性能研究[J].汽车技术,2010(4). |
| |
| 作者姓名： | 高秋金 徐志军 晏金军 |
| |
| 作者单位： | 上海大众汽车有限公司 |
| |
| 摘 要： | 针对某车型球墨铸铁转向节柱转向横拉杆臂疲劳台架试验不合格的情况,利用CAE技术模拟分析了该零件结构对疲劳性能的影响,通过对比试验研究了球墨铸铁主要化学成分对球墨铸铁机械性能和疲劳寿命的影响,并提出局部增大壁厚、改善过渡圆角的改进措施.经过试验验证,在质量不增加的情况下,改进后的球墨铸铁转向节柱疲劳寿命比改进前提高30%.
|
| 关 键 词： | 转向节柱 球墨铸铁 疲劳寿命 |
Research on Fatigue Performance of Ductile Iron Steering Knuckle |
| |
| Gao Qiujin,Xu Zhijun,Yan Jinjun.Research on Fatigue Performance of Ductile Iron Steering Knuckle[J].Automobile Technology,2010(4). |
| |
| Authors: | Gao Qiujin Xu Zhijun Yan Jinjun |
| |
| Institution: | Shanghai Volkswagen Automotive Co./a>;Ltd |
| |
| Abstract: | Because tie rod arm of the ductile iron steering knuckle failed in the bench fatigue test,influence of this component structure on fatigue performance is simulated with CAE technology,then the influence of main chemical compositions of ductile iron on mechanical performance and fatigue life of ductile iron is investigated with comparative test,then a modification of thickening local wall thickness and improving transitional fillet is presented.The test verifies that fatigue life of the modified ductile iron... |
| |
| Keywords: | Steering knuckle Ductile iron Fatigue life |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
