What Is The Advantage Of Laser Welding?

What are the advantages of laser welding?

The laser generates a highly concentrated heat source that can form a keyhole. Therefore, laser welding produces a small amount of weld metal and transfers only a limited amount of heat to the surrounding materials, so the deformation of the sample is smaller than that of samples welded by many other processes.

Compared with other welding technologies, the use of laser welding has some obvious advantages:

1.Speed and flexibility

Laser welding is a very fast technique. Depending on the type and power of the laser used, thin-section materials can be welded at a speed of a few meters per minute. Therefore, the laser is very suitable for working in a highly productive automated environment. For thicker parts, productivity can also be improved because the laser keyhole welding process can complete one joint at a time.

2.Deep and narrow welds

Laser welding allows welding with high aspect ratio (large depth to narrow width). Therefore, for joint configurations that are not suitable for many other (limited conduction) welding techniques, such as pile welding through lap joints, laser welding is feasible. This allows the use of smaller flanges compared to parts made using resistance spot welding.

3.Low deformation

The laser generates a highly concentrated heat source that can form a keyhole. Therefore, laser welding produces a small amount of weld metal and only transfers limited heat to the surrounding materials, so the deformation of the sample is less than that of samples welded by many other processes.

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