The skeleton oil seal structure consists of three parts: the oil seal body, the reinforced skeleton and the self-tightening coil spring. The sealing body is divided into bottom, waist frame oil seal structure diagram, cutting edge and sealing lip according to different parts. Generally, the inner diameter of the skeleton oil seal in the free state is smaller than the shaft diameter, that is, it has a certain interference. Therefore, after the oil seal is installed on the oil seal seat and the shaft, the pressure of the oil seal edge and the contraction force of the self-tightening coil spring will produce a certain radial tightening force on the shaft. After a period of operation, the pressure will rapidly decrease or even disappear. , Therefore, adding a spring can compensate for the self-tightening force of the oil seal at any time.
- The importance of a thin rubber gasket cannot be overstated. It is a small but critical element that safeguards equipment functionality, prevents costly leaks, and maintains overall system integrity. As technology advances and industries evolve, the demand for more specialized and efficient gaskets will only increase. Thus, the study and development of thin rubber gaskets remain a vital area of research and innovation in the world of engineering and manufacturing.
Importance of Spark Plugs and Wires
Fluid side face The front-end face of the seal is called the nose. The nose is made of rubber and forms a gasket seal when compressed on the housing shoulder.
If you follow the above instructions, the oil seals should work properly. Also watch the video below for an example of the installation process.
Remove the cylinder head (See How to remove a cylinder head ), carefully peeling off the old gasket from the head or block. Make sure no dirt or carbon falls into the engine.


Why do I have to install my Oil Seal this way?
Oil seals for steel production equipment
3, the oil seal installation position is small, axial small size, easy processing, and make the machine compact.
The basic principle of sealing is straightforward – the flexible lip is held against the rotating part (usually the shaft) whilst the casing (or O.D.) is pressed into the housing or bore and holds the seal in place. The sealing lip needs some form of lubrication to avoid overheating and is usually energized by means of a garter spring.

The most important function of an oil seal is to protect all types of sleeves, roller bearings, and balls located in the rotary shafts. These seals also prevent two fluids from mixing, such as water and oil.