日立挖掘机两典型故障的测试与诊断

COAL MINE MACHINERY(2005)

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Abstract
应用液压传动的基本原理,结合日立EX系列挖掘机机电液一体化的工作特点,对EX系列挖掘机两典型故障(挖掘无力与动作慢)的测试、诊断方法做了系统分析与介绍.归纳出挖掘无力的2种类型与故障特点以及整机动作迟缓的3种原因,同时指出了对应机、电、液故障的诊断测试方法与检测设备的选择.对快速、准确排除该类机型的典型故障具有实用意义.
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