准确可靠地诊断液压故障,是修好用好液压设备的前提,也是整个液压技术的一个重要组成部分。液压故障诊断的主要内容是,根据故障症状的特征,历史及环境,运用各种知识,借助于有效手段,进行一系列逻辑思维活动,找出故障的真实原因,弄清故障机制,为有效排除及预防故障提供依据,并积累经验。 Accurate and reliable diagnosis of hydraulic failure is a good prerequisite for repairing hydraulic equipment, but also an important part of the hydraulic technology. The main content of hydraulic fault diagnosis is based on the characteristics of fault symptoms, history and environment, using a variety of knowledge, by means of effective means to conduct a series of logical thinking activities to find out the true cause of the fault, to clarify the fault mechanism for effective rule out And provide the basis for prevention of failure, and gain experience.