For sealed imported bearings, the production has been filled in the appropriate grease, open the bearing to set the seal on the main machine to prevent grease leakage. This has become a problem with the grease of the bearing. Note that too little fat is likely to cause a lack of fat or dry friction, affecting life. Grease can cause excessive bearing temperature rise. A large amount of grease leaks, not only pollutes the environment, but also wastes. Therefore, better bearings are placed on the premise of the amount of grease in the imported bearings to ensure adequate lubrication.
Lubrication friction: A resistance to mechanical friction that forms part of the surface of the film. Cooling temperature: Take away heat through oil circulation to prevent sintering. Clean: Clean the friction surfaces of the work surface and other materials produced by the metal by flowing oil. Sealed against leaks: reduces gas leakage and external contaminants. Corrosion: Adsorbs on the surface to prevent water, air, acids, harmful gases and contact areas. Buffer: A sharp rise in engine cylinder pressure, a sudden increase in the piston, piston pin, connecting rod and crankshaft bearing oil bearing load can withstand the impact load buffer.
There are three main reasons for the loss of grease: chemical reasons: the lubrication effect of partial heating and air friction, the base oil and thickener are oxidized, resulting in the destruction of the grease structure and the loss of softening. Physical reasons: due to friction during partial operation, grease under constant shear stress, soap structure damage, softening loss. Causes of impurities: Sports clothing produced in the body, metal powder can accelerate the oxidation of organic acids, oils, fats, thereby destroying the structure and causing oil failure. According to the operating conditions of the equipment (including load, temperature, speed, etc.), the correct choice of grease is used to extend the life of the grease.
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