润滑油在机器运转过程中起到了封闭、润滑、洗涤、散热的作用,在不同的工况下,机器对润滑油要求也不一样,正确地选用润滑油,对减少机械磨损,延长使用寿命,防止故障发生是十分重要的。因此有必要对发动机润滑油牌号的正确选用做一简要的介绍,供机务工作者借鉴。 一、发动机润滑油种类、规格、牌号 Lubricants play a closed, lubricating, washing, cooling role in the operation of the machine, under different conditions, the machine requirements of lubricants are not the same, the correct choice of lubricants, to reduce mechanical wear and tear, extend the service life, It is very important to prevent the trouble from happening. Therefore, it is necessary to make a brief introduction on the correct selection of engine lubricating oil grades for reference of maintenance workers. First, the type of engine lubricants, specifications, grades