PRODUCT
The analysis of the causes of TIMKEN bearing import burns and maintenance methods
by:Waxing
2020-10-14
Bearing state of burn injury refers to: the bearing raceway wheel, roller and cage in the rotation sharply fever until discoloration, softening, deposition and damaged.
The second is probably too big load (
Preloading is too big)
。
Speed is too large.
Clearance is too small.
With water or other foreign matter invasion.
If the above two cases are not the shaft, the accuracy of bearing box, shaft deflection.
See here, I think everyone wants to know the solution, first of all, to study the method for lubricants and lubrication on TIMKEN bearing lubricants imports, and its dosage, and the selection of the bearing must be corrected.
Study to cooperate, bearing clearance, and preloading, and improve the sealing device.
Check the shaft and the precision of the bearing housing.
Of course, if you have any experts beside you, let him follow you learn best operation!
1, bearing maintenance: for as long as possible in good condition to maintain the performance of the bearing was required to maintenance, repair, in order to prevent accident arrangement to ensure the reliability of operation, improve the productivity and economy.
To maintain the best conditions of mechanical operation of the corresponding operation standard, on a regular basis.
Content includes monitor running status, supplement or replacement of lubricants, remove the check on a regular basis.
Points for maintenance operation, have bearing rotating the sound, vibration, temperature, the state of the lubricants and so on.
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Com2, bearing maintenance: bearing cleaning: removing bearing under repair, the appearance of the first record bearing, confirm the residual stock of lubricant, sampling inspection with lubricant, bearing.
Common use gasoline, kerosene as a cleaning agent.
Tear open come down to the bearing cleaning, rough washing and fine washing, respectively in the container, put a metal mesh bottom first, make the bearing is not direct contact with dirt from the container.
Coarse when cleaning, if to spin bearing with dirt, can damage the bearing rolling surface, should be pay attention to.
In coarse clean oil, use a brush to remove grease, adhesive, after clean, roughly into fine cleaning).
Fine cleaning, TIMKEN bearing import side rotation in the cleaning of oil, while carefully cleaned.
In addition, the clean oil is always kept clean.
3, bearing inspection and judgment: in order to judge whether the bearing of the removed can use, check after wash TIMKEN bearing import.
Check the raceway surface, rolling surface, cooperate with the state, the abrasion of cage, the increase of the bearing clearance and has nothing to do with dimension precision falling damage, abnormal.
Non separation of small ball bearings, with one hand will support level, the inner ring spinning confirm whether smooth outer ring.
Internal factors mainly refers to the structure design, manufacturing process and material quality and so on three major factors in determining the quality of bearing.
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ComTIMKEN import bearing material metallurgy quality was the main factor affecting the premature failure of the rolling bearing.
As metallurgy technology,
For example, the bearing steel vacuum degassing, etc. )
Progress, raw material quality is improved.
Raw material quality factor in the bearing failure analysis share has declined obviously, but it is still one of the main influence factors of bearing failure.
Select material adequacy is still bearing failure analysis factors must be considered.
Bearing manufacturing generally go through forging, heat treatment, cutting, grinding and assembly, and multi-channel processing operations.
The rationality of the processing technology, advanced, stability will also affect the service life of bearing.
Which affects the quality of finished products bearing heat treatment and grinding process, tend to have a more direct relationship with bearing failure.
In recent years the study of metamorphic layer of bearings working surface show that the grinding process and is close to the surface quality of the bearing.
TIMKEN bearing import analysis, the main task of the service life is based on a lot of background material, analyze data and failure forms, find out the main factors of bearing failure, so that the improvement measures are put forward, prolonging bearing, avoid premature failure of the bearing of the sudden.
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