News Center

Popular keywords: EPS stator automatic line, rotary motor stator automatic line, automobile blower brushless line, automobile brushless cooling fan motor automatic line, servo motor automatic line

Home page

Automation Encyclopedia

Industry dynamics

Company News

2024

The application of TIG welding in the production of brushless motors

Author：

Hehui Intelligent

TIG welding (Tungsten Inert Gas Welding) is an efficient welding method widely used in the field of metal processing, which uses tungsten inert gas protection to ensure the high quality of welds. TIG welding technology also plays an important role in the application of brushless motors. This article will provide a detailed introduction to the application and advantages of TIG welding on brushless motors.

tig焊

Firstly, let's understand the basic concept of brushless motors. Brushless motor is a DC motor that uses electronic commutation. Compared with traditional brush motors, it has higher efficiency, longer service life, and lower noise. The core components of a brushless motor are the stator and rotor, which rotate through electromagnetic field interactions. To ensure the performance and reliability of the motor, high-quality welding processes are required for the connection between the stator and rotor.

The application of TIG welding on brushless motors is mainly reflected in the following aspects:

1. Welding of stator and rotor: The stator and rotor of a brushless motor are usually composed of multiple copper sheets, which need to be connected together by welding. TIG welding has advantages such as high energy density, deep penetration, and good weld forming, making it very suitable for high-precision and high-strength welding tasks. Through TIG welding, a reliable connection between the stator and rotor can be achieved, ensuring the stable operation of the motor.

2. Welding of coils: The coil of a brushless motor is a key component for achieving electromagnetic field conversion, and its quality directly affects the performance of the motor. TIG welding can be used for welding coils, achieving a strong connection between the coil and the stator or rotor. In addition, TIG welding can also be used for internal connections of coils, improving the overall performance of the coils.

3. Terminal welding: The terminals of a brushless motor are important components connecting the power supply and controller, and their reliability is crucial for the normal operation of the motor. TIG welding can be used for terminal welding to achieve reliable connections between terminals, coils, or stators. Through TIG welding, the stability and service life of terminals can be improved, and the risk of motor failure can be reduced. (The above figure shows the welding of the terminals)

4. Welding of seals: Brushless motors need to maintain good sealing performance during operation to prevent lubricating oil leakage. TIG welding can be used for the welding of seals, achieving reliable connection between seals and motor casings. TIG welding can improve the sealing performance of seals and extend the service life of motors.

The application of TIG welding on brushless motors has the following advantages:

1. High quality: TIG welding can achieve high-precision and high-strength welding, ensuring reliable connections between components such as stator, rotor, and coil. This is crucial for ensuring the performance and reliability of the motor.

2. High efficiency: TIG welding has a high penetration rate and fast welding speed, which can greatly improve the production efficiency of brushless motors. In addition, TIG welding also has a smaller heat affected zone, which is beneficial for maintaining the original performance of motor components.

3. Low cost: Although the initial investment of TIG welding equipment is relatively high, its efficient and high-quality welding performance can reduce the production cost of brushless motors. In addition, TIG welding can also reduce welding defects and rework rates, further reducing production costs.

4. Environmental protection: TIG welding uses inert gas as a protective gas, which can reduce harmful gas emissions during the welding process and is beneficial for environmental protection.

In summary, the application of TIG welding in brushless motors is of great significance. Through TIG welding technology, high-quality, efficient, and low-cost welding of components such as stator, rotor, and coil of brushless motors can be achieved, ensuring the performance and reliability of the motor. With the widespread application of brushless motors in various fields, the demand for TIG welding technology in the manufacturing of brushless motors will continue to grow.