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前言本文针对普通溢流阀及比例溢流阀在设备试车及正常运行中所产生故障的具体例子,分析其原因并给出解决办法,以期对初学者在判断故障时能有所帮助。当液压系统产生故障时,通常应该结合系统图依次分析,综合地查找故障原因。例如系统完全打不上压力时,故障并不限于溢流阀,液压泵、方向控制阀、流量控制阀、管子、油路板等液压系统的组成元件当然不消说了,就连驱动电磁阀和比例阀的电控线
Preface This article aims at the specific examples of common relief valve and proportional relief valve in the equipment commissioning and normal operation, analyzes its causes and gives solutions, with a view to beginners in determining the fault can be helpful. When the hydraulic system fails, it should usually be combined with the system diagram analysis, comprehensively find the cause of the malfunction. For example, the system can not hit the pressure, the fault is not limited to relief valve, hydraulic pump, directional control valve, flow control valves, pipes, circuit boards and other components of the hydraulic system of course, needless to say, even the drive solenoid valve Electric proportional control valve