1. Lubrication: as long as the engine is running, the internal parts will produce friction. The faster the speed is, the more intense the friction will be. For example, the temperature of the piston can be more than 200 degrees Celsius. At this time, if there is no diesel generator set with oil, the temperature will be high enough to burn the whole engine. The first function of engine oil is to cover the metal surface inside the engine with oil film to reduce the friction resistance between metals.
2. Heat dissipation: in addition to the cooling system, the oil also plays an important role in the heat dissipation of the automobile engine itself, because the oil will flow through all parts of the engine, which can take away the heat generated by the friction of the parts, and the piston part far away from the cooling system can also obtain some cooling effect through the oil.
3. Cleaning effect: the carbon produced by the long-term operation of the engine and the residue left by combustion will adhere to all parts of the engine. If not properly treated, it will affect the function of the engine. In particular, these things will accumulate in the piston ring, inlet and exhaust valves, produce carbon or adhesive substances, causing detonation, frustration and increased fuel consumption. These phenomena are the great enemies of the engine. The engine oil itself has the function of cleaning and dispersing, which can not make these carbon and residues accumulate in the engine, let them form small particles and suspend in the engine oil.
4. Sealing function: Although there is a piston ring between the piston and the cylinder wall to provide sealing function, the sealing degree will not be very perfect because the metal surface is not very flat. If the sealing function is poor, the engine power will be reduced. Therefore, the oil can produce a film between the metals to provide a good sealing function of the engine and improve the operation efficiency of the engine.
5. anti corrosion and rust prevention: after a period of driving, various corrosive oxides will be naturally generated in the engine oil, especially the strong acid in these corrosive substances, which is easier to cause corrosion to the internal parts of the engine; At the same time, although most of the water generated by combustion will be taken away with the exhaust gas, there is still a little water left, which will also damage the engine. Therefore, the additives in the engine oil can prevent corrosion and rust, so as to protect the Cummins generator set from these harmful substances.
Post time: Dec-28-2021
