Roller shutter is a common door. It is widely used in shops, garages, warehouses and other places because of its convenience, flexibility and small space. The electric motor of Roller shutter is an important part of Roller shutter and the core of Roller shutter. Therefore, the service life of the electric motor of Roller shutter has a very important impact on the service life of the entire Roller shutter. However, we will find that the service life of the electric motor of Roller shutter is generally short in actual use. Why? This paper will analyze the reasons for the short service life of the electric motor of Roller shutter.

1、 Overload

During the use of the electric motor for Roller shutter, if the load is too large, the electric motor will be overloaded, which will cause great damage to the electric motor. Therefore, it is very important to correctly select the rated power of the electric motor and the size of the matching motor. If the selection is not appropriate, it can lead to overload of the electric motor, making it prone to malfunctions and even unable to reach its normal lifespan during operation.

2、 Overheating

Since the electric motor of Roller shutter generates heat during operation, it needs to have a good heat dissipation system. Otherwise, after a long time of operation, the motor oil temperature will rise. When it exceeds the tolerance range, the electric motor will be damaged, which will lead to a very short life of the electric motor.

3、 Improper maintenance

As a mechanical device, the service life of electric motors is influenced by their own quality and usage conditions, and maintenance is also one of the important factors affecting the service life of electric motors. If maintenance and upkeep are not carried out for a long time, the faults and damages of the electric motor will gradually accumulate, leading to a greatly shortened service life of the electric motor. Therefore, the electric motor of Roller shutter needs regular maintenance, including circuit, transmission, roller, gear, lubrication, cooling and other maintenance, to ensure the normal service life of the electric motor.

4、 Environmental factors

Environmental factors also have a significant impact on the service life of electric motors. Especially for those Roller shutter with complex service environment, such as Roller shutter used in humid, high temperature, low temperature and other harsh environments, the electric motor is easy to be affected and damaged. Therefore, the use of electric motor for Roller shutter in harsh environments should be avoided as far as possible to extend the service life of electric motor.

5、 Quality factors

The quality of electric motors is an important guarantee of their service life, and some low-priced electric motors are prone to malfunctions or other problems due to poor use of components, poor manufacturing processes, and lack of quality assurance of products. These electric motors have a very short effective working time during their service life.

Therefore, there are many reasons for the shortage of Roller shutter electric motor, such as overload, overheating, improper maintenance, environmental factors, quality factors, etc. Therefore, when purchasing and using the electric motor for Roller shutter, pay attention to selecting the appropriate model and brand, and carry out correct maintenance to ensure the service life of the electric motor for Roller shutter.

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