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Technical articles
In the process of maintenance，It is often found that some cars have a larger driving noise，Check the tires for abnormal wear，There is no obvious abnormal sound when turning the wheel on the elevator。
The rolling sound of bearings The size and quality of rolling sound of running bearing are checked by sounder，Bearing even if there is a slight peel and other damage，Abnormal and irregular sounds can also be produced，You can tell with a sounder
Correct use of bearing lubricants，Distinguish between good and bad，Several years of experience accumulation have the following points for your reference：
Rolling bearings are precision parts，Therefore, it is required to be cautious when using，High performance bearings are used，If used improperly，Nor can it achieve the expected performance effect，
Rolling bearings under certain conditions of use，It is often due to internal or external factors，Does not reach its calculated life and early damage occurs。The situation of early damage of rolling bearing is analyzed
Although the production level of Chinas guide rail can not catch up with developed countries，But among the nations of the world，The productivity level of guide rail in our country has been at the upper level，therefore，Chinas guide rail is fully capable of participating in international competition。But by
The performance of the bearing to make it roll，It can maintain long-term use under good conditions，Bearings must be inspected and maintained，This inspection and maintenance（For bearing storage before loading, see attached bearing storage），It is important to prevent failure in advance，
Bearing raceway noise，The sound is due to the plain bearing rotating raceway when rolling in the rolling corner，Stimulate smooth and continuous noise contact ball bearing species，Only when the sound pressure level or tone，A great attention getter。
Bearing one turn、Raceway surface of inner ring and outer ring，Due to the rolling contact with the rolling element，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So with the bearing removed，Please pay close attention and observe the running track of the raceway surface。If you look at the trajectory carefully，You will be told that only radial loads are carried，Withstand large axial loads，Bear torque load，Or there is extreme rigidity inequality on the bearing box。
The amount of oil required for lubrication of rolling bearings depends largely on the bearing type、Oil supply system design、Lubricating oil type and other factors。Its hard to give one that fits any situation，Simple and clear formulas with wide applicability。
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