As a kind of part that is often encountered in the market, the skeleton oil seal is likely to be used everywhere in life, and everyone always praises it. The use of skeleton oil seals should be known to consumers about this question and need to be understood before ordering from the manufacturer. So, what are the functions of the skeleton oil seal? Let's get to know everyone today.
Skeleton oil seal use
Under the action of the skeleton oil seal, the rigidity of the oil film just forms a crescent surface at the contact end of the oil film and the air, preventing the leakage of the working medium, thereby achieving the sealing of the rotating shaft. The sealing ability of the oil seal depends on the thickness of the oil film on the sealing surface. If the thickness is too large, the oil seal leaks; if the thickness is too small, dry friction may occur, causing oil seal and shaft wear; if there is no oil film between the seal lip and the shaft, it is easy to cause heat and wear. . Therefore, when installing, it is necessary to apply some oil on the sealing ring, and at the same time ensure that the skeleton oil seal is perpendicular to the axis of the shaft. If it is not vertical, the sealing lip of the oil seal will drain the lubricating oil from the shaft, which will also lead to excessive sealing lips. abrasion. During operation, the lubricant in the casing slightly exudes a little to achieve a state in which an oil film is formed at the sealing surface.
The purpose of the skeleton oil seal is generally to isolate the parts of the transmission component that need to be lubricated from the output parts, so as not to let the lubricating oil leak, and is usually used for rotating the shaft, which is a rotating shaft lip seal. The skeleton acts like a reinforcing bar inside the concrete member, which acts to strengthen and maintain the shape and tension of the oil seal. According to the skeleton type, it can be divided into inner skeleton oil seal, outer skeleton oil seal, and inner and outer skeleton oil seal. The skeleton oil seal is made of high quality nitrile rubber and steel plate, with stable quality and long service life. Widely used in automobiles, motorcycle crankshafts, camshafts, differentials, shock absorbers, engines, axles, front and rear wheels and other parts.
1. Prevent mud, dust, moisture and other intrusion into the bearing from the outside;
Limit the leakage of lubricating oil from the bearing. The requirements for oil seals are that the dimensions (inner diameter, outer diameter and thickness) should be in accordance with the regulations; the proper elasticity is required, the shaft can be properly clamped and sealed, and the heat resistance, wear resistance, strength, and medium resistance are required. Oil or water, etc.), long service life.
It can be seen that the skeleton oil seal is a product that is often purchased on the market. It is necessary to clarify the use method of such a part before purchase, and it can be clear and convenient when used. Therefore, it is necessary to know the common sense of such parts. If you encounter parts replacement, repair it yourself and follow the rules of use. The above is the entire content of the skeleton oil seal use.
Oil seal offer
Product category | Brand | Model size | Types of | Material | Tax price | Purchasing consultation |
Skeleton oil seal | Double circle | 9W2629 | Moving ring | metal | 10 | Click to buy |
Skeleton oil seal | Complex | 3D84-3 | Single lip | rubber | 50 | Click to buy |
Skeleton oil seal | Huasheng | 55*72*10 | Single lip | Butane | 1/piece | Click to buy |
Skeleton oil seal | Yanlong | KA31.5 | Double-sided | Fluorine glue | 30/piece | Click to buy |
Skeleton oil seal | Excellent | 30*40*5 | Single lip | Butane | 0.5/piece | Click to buy |
Skeleton oil seal | Huasheng | 75*40*8 | Double-sided | Butane | 1.3/piece | Click to buy |
Skeleton oil seal | Sanyong | 85 *110*12 | Double-sided | Fluorine glue | 1.3/piece | Click to buy |
Skeleton oil seal | Liner | 10*20*5 | Double lip | rubber | 0.5/piece | Click to buy |
Related Reading:
How to install a key to the skeleton oil seal installation guide
Deep understanding of the skeleton oil seal begins with the structure and sealing principle
Reasonable use of skeleton oil seals. It is important to understand these. 
Editor in charge: Wang Zhen
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