What does engine oil mean?
1 Answers
Engine oil refers to the essential lubricant required for the normal operation of an engine. It is composed of two parts: base oil and additives. The base oil is the main component of the lubricant, determining its fundamental properties, while the additives compensate for and improve the deficiencies in the base oil's performance, granting it certain new characteristics, making them an important part of the lubricant. The functions of engine oil are: 1. To form a sufficiently thick oil film that separates the surfaces of relatively sliding parts, thereby reducing wear; 2. To create a seal between the piston ring and the piston, reducing gas leakage and preventing the entry of external contaminants; 3. To adhere to the surfaces of parts, preventing contact with water, air, acidic substances, and harmful gases.