Morphology of Burns based on little to judge the color of the surface. Angular contact ball bearings in use as lubricant, due to different temperatures, corrosion, part surface changes, light main color yellow, red, purple, yellow, Brown, blue and dark blue, chip-light yellow, yellow, brownish red in color (see relevant content), if there is a purple-blue or dark blue burns the discretion. Burns easily causes reduced surface hardness or a micro-pattern occurs.
Occurs mainly in parts of the burned part of the contact surface, such as Timken bearing flange face, Tan Ziduan rolling surface of the face, stress concentration, and so on.
Prevention of Burns based on the reason of burn of targeted measures. Correct selection of angular contact ball bearing structure and configuration, avoiding Timken bearings have large load, proper installation methods when installing to prevent stress concentration and guarantee of results
Agency operation, Timken bearing installation position is permitted a certain degree of temperature, the hands when touching body shell, should not feel hot as normal, on the other hand it indicates that the temperature is too high.
Duanyou of bearing temperature is too high: noncompliance or deterioration of quality of lubricant oil, lube oil viscosity too high body assembled too tight (insufficient gap); rod end bearing Assembly too tight; bearing washer on the shaft or casing rotation; load too large; bearing maintenance or fragmentation.
Timken bearings permit the operation sound of the minor in the Office, if the sound is too large or unusual noise or impact sound, it indicates that the rod end bearing is faulty.
1, axle bearing for the maintenance, overhaul, and exception handling
In good condition for as long as possible in order to maintain original performance of angular contact ball bearings, maintenance, overhaul, in order to prevent accidents, it is imperative, to ensure operational reliability, increase production, economy. Maintains the best machinery operating conditions operating standards, carried out on a regular basis. Contents include, monitor the operation condition, supplement or replace lubricants, removal of checks on a regular basis.
As a matter of operation maintenance, bearings of rotating tones, vibration, temperature, lubricant condition and so on.
2, bearing failures and solutions
In General, if the proper use of angular contact ball bearing, you can use up to reach fatigue life. But there will be an unexpected injury prematurely, less resistance to the use case. This early injury, and fatigue life of relative, known as the quality limits of failures or accidents. Due to no attention on the installation, use, lubricate from external intrusion by foreign bodies, shafts, case study on thermal effect of inadequate.



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