| 某柴油发动机曲轴失效分析及优化验证 |
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| 引用本文： | 韩晓峰,范习民,路明,赵礼飞.某柴油发动机曲轴失效分析及优化验证[J].内燃机,2012(1):44-46. |
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| 作者姓名： | 韩晓峰 范习民 路明 赵礼飞 |
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| 作者单位： | 安徽省江淮汽车股份有限公司,安徽合肥,230601 |
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| 摘 要： | 通过CAE、材料、加工工艺等方面，对柴油发动机曲轴断裂进行失效分析。分析曲轴断裂失效的主要原因是曲轴的安全系数偏低。通过改进圆角加工工艺、优化圆角结构、提高材料性能，从而提高曲轴安全系数，并且通过可靠性试验验证，解决了曲轴断裂问题。
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| 关 键 词： | 曲轴 失效 安全系数 |
Investigation and Optimization Verification of Crankshaft Fracture Failure |
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| HAN Xiao-feng,FAN Xi-min,LU Ming,ZHAO Li-fei.Investigation and Optimization Verification of Crankshaft Fracture Failure[J].Internal Combustion Engines,2012(1):44-46. |
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| Authors: | HAN Xiao-feng FAN Xi-min LU Ming ZHAO Li-fei |
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| Affiliation: | ( Anhui Jianhuai Automobile Co,, Ltd., Hefei 230601, China ) |
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| Abstract: | This paper has introduced relevant analysis for crankshaft fracture failure of a diesel engine of Europe 4 by CAE, material, manufacturing process technology, etc. The reason of crankshaft fracture failure is mainly due to the low actual safety factor of the crankshaft. The actual safety factor has greatly increased through improving manufacturing process technology and optimizing the frame of the crankshaft, and enhancing material performance of the crankshaft. |
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| Keywords: | crankshaft failure safety factor |
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