Whether the mill bearing performance can be effectively utilized, to a large extent depends on the lubrication, lubricants known as the "bearing large parts. Causes of damage to more than 40% of the rolling mill bearings caused by poor lubrication, so to reduce the rolling mill bearing consumption, we must choose the appropriate conditions of use of lubrication methods and high-quality lubricants, but also designed and installed to prevent water and oxide dust and debris and reliable sealing device.
   
Mill bearings with grease and oil lubrication. Most manufacturers that use simple grease lubrication, if possible, take the oil lubrication, rolling mill bearings in the ideal lubrication conditions, a significant reduction in bearing consumption.
   
1, for grease lubrication
   
Grease lubrication method is simple and easy roll replacement and convenient features, a wide range of applications. Should be based on the rolling mill bearing temperature, speed, rolling force and sealed waterproof performance, the impact shock size for fat method to choose the appropriate grease. Opt for the high temperature, viscosity, extreme pressure grease of good performance and high resistance to water washout performance of the regular factory. 2 #, 3 #, Lithium Grease or polyurea grease containing EP additives should be selected according to the rolling mill bearing, work characteristics.
   
Although the high-performance grease procurement costs, but with less and bearing long life, the total cost reduces. Other to fill grease in moderation and fill the place, not mix different brands of grease, mill bearing surface is always in the film normal state.
   
2, charge the amount of fat
   
The initial fill grease inside the bearing space fill to fill a sufficient amount of grease for each bearing of the vertical roll or oblique roll upper and lower lid. Each roll to check the grease hardening black, is the impurity contamination of whether the oxidation of the emulsion. If you continue to use the above situation should be thoroughly replace the grease and check the seals and seal the structure to be replaced or improved; if the situation is still good to add new fat.



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