I believe that as long as you have been in contact with cars, then the term lubricating oil should not be unfamiliar, but it really asks you what lubricating oil is for. You may not necessarily know. Today we will talk about automotive lubricants. those things.
The role of lubricants:
For automobiles, the most important part is the engine. There are many metals in the engine that need interaction and frictional movement. These components have fast movement speed, poor environment, and the working temperature can reach 400°C to 600°C. In such a harsh working environment, choosing the right lubricating oil can reduce the wear of engine parts and prolong the service life. What are the functions of lubricating oil in this?
1. Lubrication reduces wear: There is a rapid relative slip between the piston and the cylinder, between the spindle and the bearing shell. To prevent excessive wear of parts, it is necessary to create an oil film between the two sliding surfaces. The oil film with sufficient thickness will Relatively sliding parts are separated by the surface to achieve the purpose of reducing wear. Good super lubrication, reduce engine wear, extend the life of the car.
2. Cooling and Cooling: Lubricating oil can bring heat back to the oil tank and then dissipate it into the air to help the tank cool the engine. Improve the unfavorable environment for high temperature engine operation.
3. Clean carbides on the cleaning parts: Good lubricant can bring the carbide, sludge, and wear metal particles on the engine parts back to the oil tank through the circulation, and flush the parts generated on the working surface through the flow of the lubricant. Dirty.
4. Sealed and leak-proof function: Lubricating oil can form a seal ring between the piston ring and the piston to reduce gas leakage and prevent the entry of pollutants from the outside.
5, to prevent rust corrosion parts: Lubricants can suck on the surface of the parts to prevent contact with water, air, acidic substances and harmful gases and parts.
6, play the role of shock absorber: When the engine cylinder port pressure rises sharply, suddenly increase the piston, piston crumbs, connecting rod and crankshaft bearing a large load, the load through the bearing transmission lubrication, so that the impact load from the To the effect of buffering.
Lubricant selection criteria:
1. Strong oxidation resistance: Good lubricating oil has superior oxidation resistance and guarantees one-year service life. It eliminates the trouble of changing oil once every three months. It saves some expenses for frequent replacement of lubricating oil.
2, Lubricity: High-quality lubricants have excellent lubricity, ensure the service life of 20,000 kilometers, let you run farther and safer.
3, natural fuel economy: unique ester-based polar groups, can be firmly adsorbed on the metal surface to form an oil film, fuel saving rate of 5% or more. Help your travel to further reduce the cost. Good non-toxic and can ensure the formation of the cylinder Good oil film inside, has the function of removing engine carbon deposit and protecting engine.
4. Wide temperature range: Cars are vehicles used throughout the year and will be at different temperatures at different times. Good lubricants have an extremely wide temperature range (-51 degrees to 239 degrees). You have no worry in four seasons.
5, energy saving and environmental protection: The quality of lubricants has about 60% biodegradability, but also we have a blue sky, a fresh air.
