As a key driving equipment in modern industry, motors play an indispensable role in various mechanical systems. However, during long-term operation, the motor inevitably experiences some malfunctions. Below, we will analyze the two main causes and solutions for motor speed faults.

1、Mechanical failure leads to abnormal motor speed

①Bearing wear

The motor bearing is an important component that supports the rotation of the rotor. When the bearing is severely worn, it can cause abnormal motor speed or even shutdown. It is necessary to replace the bearings in a timely manner to keep them clean and lubricated.

②Foreign objects entering the motor

When the motor is working, if foreign objects enter the interior and cause problems such as poor rotation and jamming, it will lead to excessive workload and abnormal speed of the motor. Regularly clean the interior of the motor to prevent debris from entering.

③Wear and tear of driving components

The driving components of the motor include synchronous belts, gears, etc., which may weaken the output torque and speed due to wear and tear during long-term operation. Regular inspection and replacement of these components are required to ensure the normal operation of the motor.

2、Electrical malfunction leads to abnormal motor speed

①Unstable power supply voltage

Unstable power supply voltage can lead to inconsistent motor output power and speed. It is necessary to use a stable power supply or take some measures to ensure the stability of the power supply voltage.

②Motor winding fault

Faults such as open circuit and poor contact in the coil of the motor winding can lead to a decrease in motor output power or abnormal speed. Motor maintenance or winding replacement is required to restore normal operation.

③Motor controller malfunction

Motor controller failure can cause unstable motor output, such as abnormal speed. Controller maintenance or replacement is required to ensure the normal operation of the motor.

In short, abnormal motor speed may be caused by mechanical or electrical faults and requires timely inspection and handling. When operating or even repairing the motor, it is necessary to follow the corresponding operating procedures and safety measures to ensure safe use.

Hengda Electric has always been dedicated to the research and development, production, and service of permanent magnet direct drive motors. With advanced technology and equipment, lean manufacturing processes, reliable product quality, and satisfactory after-sales service, the company provides customers with the most suitable motor professional solutions and creates greater social value.