Reasons for the shutdown of the speed up Buke motor due to contamination:
1. Bearing lubrication failure or bearing surface damage
Contaminants can disrupt bearing lubrication and damage bearing surfaces. This will cause the friction to generate heat. If the problem cannot be solved, the increased heat may cause a catastrophic failure of the bearing and the Buke motor to stop running.
2. Block the airflow or liquid cooling channel
Motors naturally generate heat, which is caused by wasted energy. While the Buke servo motor is designed with a cooling fan, external blower, vents, radiator and liquid cooling system to allow heat dissipation. However, contaminants can still clog vents, cooling pipes and cooling surfaces, and prevent the motor from cooling properly. This increased heat** can eventually damage the mechanical and electrical components of the motor, which can lead to motor shutdown.
3. Cause the imbalance of the rotating components
When contaminants adhere to motor rotors, fan blades, or other rotating components, they add excess weight. This weight creates an imbalance, which leads to increased vibration. The vibration caused by the unbalanced bow of the rotating parts can shorten the service life of the bearing and may lead to motor failure.
4. Deterioration of electrical insulation performance
Electrical insulation breakdowns can get worse over time, and contaminants will release current from the conductors in the windings. In formally wound windings, the insulating tape and varnish/resin will carbonize and decompose. When the insulation is ruptured by stresses caused by the contaminant bow, the "pinholes" in the enamel insulation cause electrical shorts in the randomly wound windings. As a result of insulation breakdown, the insulation resistance decreases, which may eventually lead to an electrical short circuit and cause the servo motor to shut down.
Here's how to solve it:
1. Correctly select a cooling motor with a completely enclosed fan;
2. Install and maintain filters in air or liquid cooling systems to prevent clogging;
3. Control nearby pollution sources;
4. Ensure that bearings, cooling systems, brakes or other motor system components are properly sealed;
5. Clean the cooling vent and radiator surface as needed without pollutants entering the servo motor.
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