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大型盾构机主轴承润滑故障诊断与对策 被引量:28
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作者 陈闽杰 刘小波 贺石中 《润滑与密封》 CAS CSCD 北大核心 2010年第5期113-117,共5页
针对某大型盾构机出现的异常振动问题,通过对主轴承润滑系统及密封方式的研究,对可能造成主轴承润滑系统污染的润滑剂和水样进行检测,分析表明盾构机出现异常振动是由于润滑系统受到油脂污染,造成轴承和齿轮的润滑不良。根据分析结果,... 针对某大型盾构机出现的异常振动问题,通过对主轴承润滑系统及密封方式的研究,对可能造成主轴承润滑系统污染的润滑剂和水样进行检测,分析表明盾构机出现异常振动是由于润滑系统受到油脂污染,造成轴承和齿轮的润滑不良。根据分析结果,检查了润滑系统管路,并对油箱进行反复清洗,除去油箱中的污染物,使润滑系统恢复正常,保证了盾构机的运行安全。 展开更多
关键词 盾构机 油脂污染 油液分析 润滑故障诊断
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Fault Diagnosis of Mechanical Equipments Through Spectrometric oil Analysis for Worn Off Metallic Elements
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作者 王文清 万耀青 +1 位作者 马璐 万晓东 《Journal of Beijing Institute of Technology》 EI CAS 1994年第2期183-192,共10页
In the fault prediction of mechanical equipments through spectromectric oil analysis for worn off debris, a method for the determination of the limiting value of wear is proposed and discussed. In order to diagnose th... In the fault prediction of mechanical equipments through spectromectric oil analysis for worn off debris, a method for the determination of the limiting value of wear is proposed and discussed. In order to diagnose the impending failure and to predict the fault modes and locate the fault spots, a comprehensive approach is studied and outlined on the basis of methods of discriminative analysis and fuzzy logic. A fault diagnosis expert system OAFDS developed by the authors for the nonitoring of working conditions of the ND5 locomotive diesel engine Nd5 is briefly introduced. 展开更多
关键词 expert systems fault diagnosis wears lubrication/condition monitoring
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