| HD469单级减速驱动中桥总成失效分析 |
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| 引用本文： | 王欢锐. HD469单级减速驱动中桥总成失效分析[J]. 汽车实用技术, 2010, 0(4): 28-32 |
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| 作者姓名： | 王欢锐 |
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| 作者单位： | 陕西汉德车桥有限公司 |
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| 摘 要： | 汽车实际运行中零件失效的表现往往较复杂,给失效分析工作带来很大的困难。本文结合HD469单级减速驱动中桥的失效,通过对拆开的桥的各个零件,尤其是出现异常零件的观察,运用系统推理分析思想,发现安装在差壳周圈上12.9级六角头螺栓掉头断裂是导致整个469单级桥总成发生严重失效的根本原因。
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| 关 键 词： | 12．9级高强度螺栓 差壳 螺栓掉头 轴承 |
The failure analysis on the HD469 single reduction driving front axle assembly |
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| Huanrui Wang. The failure analysis on the HD469 single reduction driving front axle assembly[J]. , 2010, 0(4): 28-32 |
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| Authors: | Huanrui Wang |
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| Affiliation: | Huanrui Wang, Nailiang Shi, Jin Zhao, Lishe Dong (Shannxi Hande axle Co. Ltd., Shannxi Automobile Group, Xi＇an, Shannxi 710201, China) |
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| Abstract: | The failure of the car＇s parts tending to be more complex in the car＇s actually running makes the analysis more difficult. Taking the failure of the HD469 single reduction driving front axle as example, this paper proposed the fracture of the grade 12.9 hexagon headed bolt cap which screwing down on the differential case was the primary cause of the 469 axle assembly based on the observation on those parts, especially the abnormal parts. |
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| Keywords: | the HD469 single reduction driving axle the grade 12.9 bolt differential case the fracture of the bolt cap. |
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