Self-lubricating bearing applications

    1. SF-2 Boundary Lubrication Bearing: Acidic polymethyl aldehyde with high wear resistance. The bearing surface has a regular arrangement. The oil storage pit must be coated with grease when it is assembled. It is especially suitable for high load and low speed. The following rotary motion, rocking motion and the part that is often under load and open and closed are not easy to form fluid lubrication. Under boundary lubrication conditions, it can be used for a long time without oiling and maintenance, and the process can be used to increase the service life of the bearing. More extension, currently applicable to metallurgical machinery, mining machinery, hydraulic machinery, auto parts, construction machinery, agricultural machinery.

    2. Oil-free self-lubricating bearing: The product is made of steel plate as the base, the middle layer is sintered with spherical bronze powder, and the surface layer is rolled with a mixture of polytetrafluoroethylene [ptfe] and lead. It has the characteristics of small friction coefficient, wear resistance and corrosion resistance, oil-free self-lubrication and long service life. It can reduce cost, reduce noise and prevent sticking and slipping. It is widely used in various mechanical sliding parts such as printing machines, textile machines, hydraulic pallet trucks, tobacco machines, medical machinery, fitness equipment, micro-motors, automobiles, motorcycles, etc.

    3. Metal-based inlaid solid self-lubricating bearing: It is a novel lubricated bearing that combines the characteristics of metal bearing and the characteristics of self-lubricating bearing. The metal matrix bears the load, and the specially formulated solid lubricating material acts as a lubrication. It has the characteristics of high bearing capacity, impact resistance, high temperature resistance and strong self-lubricating ability.

    4. Traditional oil-impregnated bearings: Due to the advantages of low hum and self-lubrication, oil-impregnated bearings have become the new darling of computer CPU fan bearings, and the market demand is large;

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How to clean the motor shaft

The motor should normally be cleaned and refueled after 2000 hours of use. There are two ways to clean the bearing:
First, the hot oil cleaning method Due to the use of a long time, soft dry oil or anti-rust cream hardened bearings, should be immersed in 100-200 ° C hot oil, clamp the bearing with pliers, brush the oil on the bearing clean. The soft dry oil or rust preventive paste is melted when heated to 100-200 ° C and is easily washed out from the gap of the bearing. Sometimes the bearing is shaken several times in the oil. Oil will also flow away from the gap.
When cleaning the centripetal spherical bearing of the old motor or the imported motor, the ball, the bead frame and the inner ring should be laterally turned out from the outer ring and then immersed in the hot oil. The short cylindrical roller bearing should also be rolled when cleaning. The bead frame, the inner ring and the outer ring are disengaged.
When hot oil is cleaned, the temperature of the oil should not exceed 20 °C. If you use an open flame to directly heat, you should take care to prevent the oil from burning. The bearing should be hung in the oil pan, and the bottom will cause overheating and reduce the hardness.
Second, the general cleaning method Put the bearing in kerosene for 5-10 minutes, pinch the inner ring with one hand, turn the outer ring with the other hand, the dry oil or anti-rust cream on the bearing will fall. Then put the bearing into the cleaner kerosene, brush it with a soft brush, wash the oil in the ball and the gap, then put it in the gasoline for 1 time, remove it and put it on clean paper. When cleaning the radial spherical ball bearing and the short cylindrical roller bearing, the ball, the bead frame, the inner ring and the outer ring should be disconnected and cleaned.
The cleaning of the bearing mounted on the shaft is mainly by the method of spraying oil or spraying with a grease gun. The oil that is easy to be cleaned is first used with kerosene and then with gasoline; the oil that is difficult to clean is first washed with hot oil of 100-200 °C. Or oil gun spray, then clean with gasoline. Be careful not to scratch the bearing with a sharp tool: hard grease or rust, so as not to damage the smoothness of the bearing rolling elements and the groove ring. The cleaned bearings are wiped dry with a clean cloth.

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