Advantages of Resistance Welding
Release time:2022-03-10

With the continuous development of light industries such as electronics, automobiles, and electrical appliances, resistance welding has received more widespread attention. At the same time, people have higher requirements for the quality of resistance welding. It is gratifying that with the development of microelectronics technology in China and the development and utilization of high-power thyristors and rectifiers, conditions have been provided for the improvement of resistance welding technology. Do you know any advantages of resistance welding?

The advantages of resistance welding are as follows:

(1) When the nucleation of resistance welding is formed, it is always surrounded by a plastic ring, and the molten metal is isolated from air, making the metallurgical process simple.

(2) The heating time of resistance welding is short, and the heat is concentrated, so the heat affected zone is small, and the deformation and stress are also small. Usually, there is no need to arrange correction and heat treatment processes after welding.

(3) Resistance welding does not require filler metals such as welding wire and electrode, as well as welding materials such as oxygen, acetylene, hydrogen, etc., resulting in low welding costs.

(4) The operation of resistance welding is simple, easy to achieve mechanization and automation, and improves working conditions.

(5) Resistance welding has high productivity and is free from noise and harmful gases. In mass production, it can be integrated with other manufacturing processes into the assembly line. But flash butt welding needs to be isolated due to sparks splashing.

China has produced high-performance secondary rectifier welding machines. The control box composed of integrated circuits and microcomputers has been used for the matching of new resistance welding machines and the renovation of old resistance welding machines. Advanced closed-loop monitoring technologies such as constant current, dynamic resistance, and thermal expansion have begun to be promoted and applied in production. All of this will be beneficial for improving the quality of resistance welding and expanding its application areas.



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