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How to solve the noise of electric bicycle motor?

  • 23 Jun 2022
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Electric bicycles are loved and favored by more and more people because of their portability, environmental protection and other advantages, and have become an important transportation and fitness equipment in modern life, but there are some faults in the process of use that bring great trouble to owners. As an important part of electric bicycle, motor noise is a common failure of electric bicycle. Today, GHstore, an electric bicycle service provider, will introduce to you the main reasons and solutions for the noisy electric bicycle motor.

 

The main reasons for the noisy electric bicycle motor failure are as follows:

1. Large bearing clearance inside the motor: motor bearing, also known as motor bearing or motor bearing, is a special bearing that is specifically applied to the motor or motor. Motor bearing bearing is a support shaft parts, it can guide the rotation of the shaft, but also can bear the shaft overhead parts, the concept of bearing is very broad.

2. Motor rotor sweep: also is a rotating part in the motor. The motor is composed of two parts: rotor and stator, which is used to realize the conversion device of electric energy and mechanical energy and mechanical energy and electric energy. Motor rotor is divided into motor rotor and generator rotor.

3. The magnets are loose and fall off. Magnet steel is made of several hard strong metals, such as iron and aluminum, nickel, cobalt and other synthesis, sometimes copper, niobium, tantalum synthesis, used to make super hard permanent magnetic alloy.

4. Axial runout inside the motor.

5. Brush motor commutator surface oxidation, ablation, oil, unevenness, loose commutator. 6. Loose carbon brush holder and incorrect carbon brush holder.

 

Electric bicycle motor noise solution:

1. Replace the bearing.

2. Re-repair the stator and rotor.

3. Re-bond the magnets.

4. Axially increase the appropriate gasket.

5. Clean the commutator surface layer or weld the commutator piece.

6. Adjust the carbon brush holder.

 

Electric bicycle owners should develop good habits, in addition to the correct daily use and maintenance, but also the main components of the electric bicycle: motor, battery, controller and other professional maintenance. This can effectively extend the service life of the electric bicycle.




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