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Welding of automobile parts
Release Date:
24/04/16
Welding plays a vital role in the manufacture of automotive parts. The welding of automobile parts is a complex and delicate process, which involves the application of various welding technologies and methods to ensure the quality and performance of parts.
Welding plays a vital role in the manufacture of automotive parts. The welding of automobile parts is a complex and delicate process, which involves the application of various welding technologies and methods to ensure the quality and performance of parts.
First of all, according to the material, shape and size of auto parts, it is very important to choose the appropriate welding process and method. Commonly used welding methods include resistance welding, arc welding, laser welding, etc. Resistance welding uses the resistance heat generated when the current passes through the workpiece to heat the workpiece for welding. It has the characteristics of simple operation and high production efficiency. It is often used in the welding of body assemblies, doors and other parts. Arc welding uses arc as the energy source, and the heat input to the workpiece is large, which is easy to cause the deformation of the welded parts, so it is usually used to weld the bottom plate or the lower part of the body. Laser welding is a high-precision and high-efficiency welding method, which is suitable for parts with high welding accuracy and quality requirements.
In the welding process, it is necessary to strictly control the welding parameters, such as welding current, voltage, welding speed, etc., to ensure the quality of the weld. At the same time, the treatment of welded joints is also a key step in the welding process, including cleaning and passivating the surface of the joint, removing oxides and contaminants, and adjusting the size of the joint to ensure the firmness and reliability of the weld.
After the welding is completed, quality inspection is required, including appearance inspection, size measurement, weld strength test, etc., to ensure that the welding quality meets the standard requirements. If it is found that the welding quality does not meet the requirements, it needs to be repaired or re-welded.
In addition, with the continuous development of welding technology, some new welding methods and processes are also being used in the manufacture of auto parts, such as brazing, special welding and so on. The application of these new technologies will further improve the welding quality and production efficiency of auto parts.
In general, welding is an indispensable part of auto parts manufacturing. By selecting the appropriate welding process and method, strictly controlling the welding parameters and quality inspection, we can ensure that the quality and performance of auto parts meet the requirements, and provide a strong guarantee for the safety and reliability of the car.
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