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Feb 22,2024

The battle for the new energy vehicle market continues, and high-speed motors have become a new focus.

In recent years, the new energy market has paid more and more attention to electric drive. Entering 2024, there are still new companies in the motor industry. In January, Xinzhong Group announced that it plans to build a digital factory for stator and rotor assemblies of new energy vehicles in Wuhan, with an annual output of 2 million sets of stator and rotor assemblies of new energy vehicles, so as to provide supporting services for new energy vehicle enterprises in Wuhan and its surrounding areas. According to Oriental Wealth data, there are currently 24 A- share main board motor listed companies, and the company with the highest total market value is Jiangte Motor, about 15 billion yuan.

The battle for the new energy vehicle market continues, and high-speed motors have become a new focus.

Feb 22,2024

Development of permanent magnet motor and its application in various fields

The development of permanent magnet motors is closely related to the development of permanent magnet materials. China is the first country in the world to discover the magnetic properties of permanent magnet materials and apply them to practice. More than two thousand years ago, China made a compass using the magnetic properties of permanent magnet materials, which played a great role in navigation, military and other fields, and became one of the four great inventions of ancient China.

Development of permanent magnet motor and its application in various fields

Feb 22,2024

What is the relationship between the protective structure of the motor and the way of ventilation and heat dissipation?

Different application environmental conditions determine the basic protective structure of the motor, and the choice of protective structure further frames the ventilation and heat dissipation structure of the motor. For example, the structure of explosion-proof motor, whether it is the ventilation and heat dissipation structure of the motor, or the selection and processing of parts and materials, is different from the motor used in ordinary environment. It is because the explosion-proof motor has special application conditions and runs in explosive mixed gas environment. If any kind of ignition explosive mixed gas occurs, if the surface temperature of the shell is too high, sparks generated by electrical faults in the shell are transmitted to the outside of the shell or collapse accidents crack the shell, serious personal safety accidents will inevitably occur.

What is the relationship between the protective structure of the motor and the way of ventilation and heat dissipation?

Feb 22,2024

Is it necessary to regularly maintain and overhaul the normal working motor?

Jinanthracene motor not only has sufficient spare parts and excellent maintenance engineers, but also has perfect maintenance and testing equipment, comprehensive experimental debugging platform, etc., which can provide maintenance and repair services for various types of motors.

Is it necessary to regularly maintain and overhaul the normal working motor?

Feb 22,2024

How does the motor prevent moisture in a humid environment?

The waterproof protection object of the motor is mainly the motor shell, and the waterproof performance of the motor depends on the protection done on the shell. In order to reduce the presence of water in the motor, the shell waterproof process is generally solved by two aspects, the first is to take measures to prevent the entry of water; the second is how to discharge the water in a timely and effective manner. Around these two aspects, we can carry out the following effective protection on the shell

How does the motor prevent moisture in a humid environment?

Feb 22,2024

Motor Noise Analysis and Noise Reduction Measures

The eddy current noise is mainly caused by the turbulence of the cooling air caused by the rotor and the fan, and the alternating eddy current on the rotating surface; the whistling noise is generated by compressed air or air passing over a fixed obstacle. The whistling noise in the motor is mainly caused by the radial ventilation ditch. The whistling noise increases with the decrease of the gap between the rotating parts and the fixed parts. Therefore, the use of a sealed soundproof cover to "seal" the noise in the soundproof cover, increase the gap between the rotating parts and the fixed parts, and improve The shape of the wind deflector and the use of blades with uneven distribution and unequal length are effective ways to reduce the whistling noise. In addition, reducing the peripheral speed of the rotor surface, reducing the surface area of the motor and the surface roughness of the rotor can also reduce the aerodynamic noise.

Motor Noise Analysis and Noise Reduction Measures

Feb 22,2024

How many motor coils will have any effect on the motor?

We know that when winding the coil for the motor spindle winding, the number of turns of the coil should be strictly implemented according to the motor parameters. For the motor, the number of turns of the coil will have a certain impact on the motor, because the winding in the motor is similar to the inductance. If the motor is wound a few more times, the number of turns will increase and the inductance will increase. If you wind a few fewer turns, the number of turns will decrease, the inductance will also decrease, which will have more or less influence on the motor.

How many motor coils will have any effect on the motor?

Feb 22,2024

What does the reduction ratio of the geared motor mean?

The reduction ratio of the reduction motor refers to the ratio of the rotation speed between the reduction device (such as planetary gears, worm gears, cylindrical gears, etc.) and the rotor on the output shaft of the motor (usually the rotor on the motor). The reduction ratio can be calculated by the following formula: reduction ratio = output shaft speed/input shaft speed where the output shaft speed refers to the output shaft speed after the reduction of the speed reduction device speed, and the input shaft speed refers to the speed of the motor itself.

What does the reduction ratio of the geared motor mean?
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