Hebei Hankai what is the function of oil seal

The Function of Oil Seals An Overview

- Material Selection The choice of seal material is critical. Common materials include rubber, polyurethane, and thermoplastics, each with distinct properties suitable for different applications. Temperature, pressure, and chemical compatibility must be considered during material selection.

The nomenclature 30x42x7 describes the oil seal's three critical dimensions the inner diameter (ID), outer diameter (OD), and width (W). Specifically, this oil seal features an inner diameter of 30 mm, an outer diameter of 42 mm, and a width of 7 mm. These measurements indicate that it is designed to fit into a specific space within a machine, preventing the leakage of fluids, particularly oil, from critical components like shafts and housings.

1. Automotive In vehicles, high-pressure oil seals are vital in engine components, such as crankshafts and camshafts, where they prevent oil leakage and maintain engine performance.

The design often includes a lip or multiple lips that create an effective barrier against leaks. Depending on the application, some oil seals are equipped with spring mechanisms that enhance their sealing capabilities, allowing for optimal performance in dynamic operating environments.