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液压系统的工作介质是液压油,它时时与液压元件接触,所以液压油的污染程度对液压系统至关重要。对于液压系统的污染控制,在国内外已经引起了高度重视。如美国国家流体动力协会就作出了“液压系统的故障至少有75%是由于油液的污染所造成”的结论,这一点在使用过程中已得到了充分证实。液压系统的主要污染源与其工作环境有重要关系。经测定分析,一台轮式液压装载机在干燥天气作业时,在其周围3m高的地方,空气含尘量达1.52g/m~3(每克含有灰尘颗粒数直径为10μm的是10~7个),而在车
The working medium of the hydraulic system is hydraulic oil, which is always in contact with the hydraulic components, so the degree of contamination of the hydraulic oil is critical to the hydraulic system. Pollution control of hydraulic systems has attracted great attention at home and abroad. For example, the American National Fluid Power Association made the conclusion that at least 75% of failures in hydraulic systems are caused by oil contamination, which has been fully confirmed during use. The main source of pollution in hydraulic systems is related to their working environment. After measurement and analysis, a wheeled hydraulic loader in the dry weather operation, in its surrounding 3m high place, the air dust content reaches 1.52g/m~3 (each gram containing dust particles with a diameter of 10μm is 10~ 7) while in the car