The introduction of the mill bearings

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The process of using the rolling mill bearings, if the use is not correct is very easy to damage the bearing. There are many users in the use of the rolling mill bearing brand SKF bearings are damaged. The problem is no t the quality of the bearings, the key is they do not know how to use the rolling mill bearing.ball bearing companies
A fat grease lubrication has a simple and easy roller replacement of 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. Containing EP additives should be selected according to the work characteristics of the rolling mill bearing. Lithium grease or polyurea grease. 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 differ ent brands of grease, mill bearing surface is always in the film normal state.FAG bearing

2, the charge and the amount of fat the first time fill the grease inside the bearing space fill to vertical roll or oblique roller bearing upper and lower lid to fill a sufficient amount of grease. 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.double row ball bearing

3, oil and gas lubricating oil air lubrication bearing lubrication bearing from time to time in the work which the compressed air drops with a lubricant into the bearing internal lubricant to stay in the internal bearings, air bearings running in the heat away, while prevent external impurities in water vapor immersed inside the bearing. The oil is atomized and does not pollute the environment.

Seals bearing the seal is to maintain good internal lubrication state, and prevent the cooling water, iron oxide skin, impurities immersed in the work surface to extend bearing life. Mill bearing seal and bearing damage up to the site is close to the roller side of the trunk, bearing often is because the grease pollution, loss of part work surface wear, peeling or even fragmentation, especially the cold strip mill emulsion penetrate, so that grease failure faster. The bearing seal is divided into its own seals and outer seal two. The external seal using a combination of labyrinth and contact design. Maze level more (not less than two poles), the better the smaller the gap sealed. The maze gap depending on the size of the bearing size to take radial unilatera l 0.6 ~ 1.5mm; axial 4 ~~ 6mm.

5.RBR type seal ring: This is a rolling mill bearing special rubber lip seal ring, and in recent years has been widely used. The RBR sealing ring axial sealing lip attached to the base surface of the gland, not affected by the roll beat, the old grease inside the bearing can overflow, and external cooling water, iron oxide skin, impurities lip to prevent entry, a good sealing effect. And easy to use, roll roll changing load bearing without any impact.