油液污染对掘进机液压系统的影响及防治措施

Effect of Contamination of Hydraulic Fluid on Hydraulic System and Countermeasures

文中着重分析了液压油污染后造成液压系统失效的主要原因在于机械性磨损和腐蚀。为确保液压系统的工作正常可靠并延长元件使用寿命，控制油液的污染具有重要意义。

The failure of hydraulic System is mainly attributed to mechanical wear and corrosion. For ensuring the normal operation of hydraulic system and aprolonged service life of components, control of thecontamination of hydraulic fluid is of vital significance.