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液压系统是以液压油为工作介质的。必须保持油液清洁,液压系统才能正常工作。油液被污染是液压系统发生故障、液压元件过早磨损甚至损坏的重要原因。液压系统被污染主要通过以下途径:在加工、装配、储藏、运输的过程中,型砂、切屑、磨料、焊渣、锈片、灰尘等污垢在液压系统开始工作之前即“潜伏”在系统中;在使用过程中,许多污垢通过加进液压系统中的油液、在油箱中流通的空气、溅落或凝结的水滴、流回油箱的漏油等“侵入”系统,检修时也容易使
Hydraulic system is based on hydraulic oil as working medium. Must keep the oil clean, hydraulic system to work properly. Fluid contamination is an important cause of hydraulic system failure, premature wear and tear of hydraulic components. The hydraulic system is polluted mainly through the following ways: During the processing, assembly, storage and transportation, sand, chips, abrasives, welding slag, rust, dust and other dirt are “lurched” in the system before the hydraulic system starts to work; During use, many soils can easily “invade” the system by oil in the hydraulic system, air circulating in the tank, splashed or condensed water droplets, oil spills back into the tank, etc.