DBETE-5X/100G24Z31M 力士乐比例阀
作者:韩平 来源:武汉耀泰机电设备有限公司 2020-04-03 浏览量:730
字号:T | T
液压油的分类和更换周期
DBETE-5X/100G24Z31M
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DBETE-5X/100G24Z31M
国内较常用的液压油有L-HL液压油、L-HM抗磨液压油、L-HV低温抗磨液压油、L-HS低凝抗磨液压油、L-HG液压导轨油。这些液压油的粘度牌号均以40℃粘度划分为22#、32#、46#、68#、100#等,但性能各有特点。
L-HL液压油,具有一定的抗氧防锈性能,适用于压力低于7Mp(70Kg)的液压系统和一些轻载荷的齿轮箱润滑。
L-HM抗磨液压油,除了具有L-HL液压油的性能外,抗磨性能强是其最大优点,例如,在专门抗磨性能测试中,L-HL液压油的磨损量是600多mg,而L-HM油的磨损量仅是20多mg,适用于压力7Mpa(约70Kg)—21Mpa(约210Kg)的液压系统。
L-HV低温抗磨液压油和L-HS低凝抗磨液压油均在L-HM抗磨液压油的基础上加强了粘温性能和低温流动性。例如,L-HM抗磨液压油的粘度指数一般在100左右,倾点在零下10℃左右,L-HV油和L-HS油的粘度指数一般可达130以上,倾点分别在零下30℃和零下40℃以下,可在寒区或严寒区代替L-HM油使用。
DBETE-5X/100G24Z31M