The direct cause of equipment shutdown Fault manifestations
Release time:
2025-06-12
The direct cause of equipment shutdown Fault manifestations
Bearings stuck: The direct cause of equipment shutdown
Fault manifestations
The bearings completely lose their rotational ability, or when rotating, there is extremely high resistance, preventing the equipment from operating normally. Forced rotation may cause the motor to overload and burn out. Reason analysis
Severe lubrication failure: The lubricating grease dries up, carbonizes, or the lubricating oil is interrupted, causing dry friction inside the bearing and eventually leading to "bearing seizure" and complete stalling.
Structural damage: Sudden overload or impact causes the raceway to deform, the cage to break, or the rolling elements to fracture, resulting in the parts getting stuck together; or the bearing gets stuck with the shaft / housing due to thermal expansion.
Improper assembly: During installation, the parts are misaligned, and the seals are compressed and deformed, hindering the normal operation of the bearing. Solution
Repair and replacement: Disassemble the bearing, clean the dried-out lubricating grease, replace the damaged cage, rolling elements, and other components; if the bearing is severely damaged overall, directly replace it with a new one and re-lubricate it.
Troubleshooting conditions and protection: Check the equipment's load condition to avoid overloading and impact; in high-temperature environments, choose bearings made of heat-resistant materials or take cooling measures; optimize the sealing and assembly processes to prevent similar problems from recurring.
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