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Ways to prevent high-temperature bearing failure, you must first understand why it caused it to fail, bearing early failures in the hosts meet the manufacturing precision parts and installation quality, use conditions, lubrication, sudden external foreign object intrusion, thermal effects and host factors such as fault. These failures are relatively common, we use SKF bearings requires special attention, in general are good quality high temperature bearings will not fail prematurely.
High temperature bearings at work, due to the effects of the external or internal factors, so that the original clearance changes, loss of precision, even causing "death" called clearance change failure. External factors such as the degree of interference is too large, the installation is not in place, expansion caused by temperature, instantaneous overload, intrinsic factors such as residual stress and residual austenite in clearance changes caused by instability, which is the main cause of failure.
1. bearing if are good of lubrication, and correctly of barrier debris and the humidity, said oil seal should no wear. However, best in open bearing box Shi, check SKF bearing and regularly sexual check oil seal. check near high temperature bearing Department oil seal of situation, to ensure they enough to prevent hot liquid or corrosion liquid or gas along axis infiltrated bearing, oil seal if has wear should as soon as possible replaced.
2. high-temperature often expressed high temperature bearings are in unusual circumstances. high temperature is also harmful to the lubricant in the bearing. SKF bearings to overheat sometimes can be attributed to the bearing lubricant. bearings in more than 125 degree Celsius temperature long-term operation, will reduce the service life of the bearing.
Cause of the high temperature bearings including: inadequate or excessive lubrication lubrication, lubricant contains magazines, heavy load, SKF bearing damage, inadequate clearance, and oil seal of high temperature friction and so on.
3. check the condition of machines in operation and monitoring to prevent equipment downtime.
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