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高功率密度柴油机光铁谱故障诊断研究
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    摘要:

    采用光谱分析方法和铁谱分析方法对某6缸高功率密度柴油台架设计验证过程中的故障进行分析。通过对 油样的光谱分析,确定磨损金属元素Al、Fe、Cr、Mn及Cu、Pb、Ni存在相关性。对光谱分析发现的Al元素质量分数 突然增大的某油样进行铁谱分析,发现油样中存在大块铝颗粒;结合发动机摩擦副材料选用情况,确定活塞存在故障, 整机拆解进一步验证了这一结果。采用光谱和铁谱相结合的分析方法,提高了基于油液分析方法诊断故障的准确性和可 行性,有助于柴油机故障位置的准确确定。

    Abstract:

    The fault of a 6 cylinder high power density diesel engine during the bench verification of design was analyzed based on spectrum and ferrography methods.The correlation of the worn metal elements of Al,Fe,Cr and Mn was determined,as well as worn metal elements of Cu,Pb and Ni.The oil sample in which the Al mass fraction was increased abruptly by spectrum analysis was analyzed with the ferrography method,the large aluminum particles were found in the oil sample.With reference to the designed material of the engine friction pairs,the piston fault was determined and was further verified by the disassembly of engine.The accuracy and feasibility of fault diagnosis by oil analysis is improved with spectrum and ferrography methods,it is helpful for the accurate determination of the fault location of diesel engine.

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冀树德,杨天军,孙学东,刘志刚,邬旭宏,王文,贾桢,祁平.高功率密度柴油机光铁谱故障诊断研究[J].润滑与密封,2014,39(2):108-110.
.[J]. Lubrication Engineering,2014,39(2):108-110.

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  • 在线发布日期: 2014-11-25
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