Mechanical Fault Maintenance of Electric Motors
Motor maintenance is the key to ensuring that machines run efficiently, safely and reliably. Electrical motors require regular maintenance to reduce downtime, increase efficiency and improve their service life. This article outlines the main mechanical faults, their causes and preventive measures.
There are several common mechanical faults associated with electrical motors, such as misalignment, bearing failures, and mechanical seals failures.
Misalignment
Misalignment between the motor and any attached or driven equipment, or between two pieces of equipment, can cause unbalanced right pressures, uneven loading, and increased vibration. Misalignment faults should be corrected as soon as possible, otherwise they may cause severe damage to the machinery. Misalignments can be corrected using a variety of methods, such as using precision measuring instruments, realigning of couplings and motors, adjusting driven equipment bases and shafts, and using special jigs.
Bearing Failures
Bearing failures are a common mechanical fault in electric motors, and in many cases can be caused by overloading, inadequate lubrication, and contamination. Bearing failures can be prevented through regular maintenance checks, including lubrication of the motor, and ensuring that it is running with the correct loading.
Mechanical Seals Failures
Mechanical seals are a critical component of electric motors, and failure of the seal can lead to dirt, dust, and water entering the motor, causing corrosion, seizure and mechanical damage. Regular inspection of mechanical seals should be carried out and any wear or damage should be addressed as soon as possible to avoid further damage.
Preventative Maintenance
Electrical motors require regular and preventative maintenance to ensure that they remain in optimal working order and run efficiently, safely, and reliably. Preventative maintenance should include regular checks of the motor, motor bearings, and motor seals, as well as regular lubrication, alignment and load tests.
Conclusion
Electric motors require regular and preventative maintenance to ensure their efficient, safe and reliable operation. Mechanical faults such as misalignment, bearing failures and mechanical seals failures are common and can lead to significant damage if left unchecked. Regular maintenance checks and corrective action can help reduce downtime and improve the service life of the motor.
