An oil seal (also known as a crankshaft seal) is a component in an engine that prevents oil from leaking out of the crankshaft and into other parts of the engine. It is located at the front and rear of the crankshaft and is designed to keep oil in the engine's crankcase, where it is needed to lubricate the moving parts of the engine. Without oil seals, the engine would quickly lose oil and become damaged, leading to costly repairs.
There are several types of oil seals, including:
1. Radial shaft seals: These seals are designed to prevent oil leakage from rotating shafts. They consist of a metal case, a sealing lip, and a spring.
2. V-ring seals: These seals are used for rotary shafts and can withstand high pressures and speeds. They have a V-shaped cross-section that creates a tight seal.
3. Cassette seals: These seals are used for heavy-duty applications and consist of a metal case and two sealing lips that provide extra protection against contamination.
4. Hydraulic seals: These seals are used for hydraulic systems and can withstand high pressure and temperature. They come in different shapes and sizes, including rod seals, piston seals, and wiper seals.
5. Mechanical seals: These seals are used in pumps, compressors, and other mechanical equipment. They consist of two flat faces that are pressed together to create a seal.
6. Lip seals: These seals are used to prevent oil leakage from static or slow-moving parts. They consist of a flexible lip that seals against a surface.
If you need SDLG Parts, LGMG Parts, Sany Parts, LiuGong Parts, XCMG Parts and all China brands Construction Equipment Parts, Loader Parts, Mining Truck Parts, etc, please connect us.
