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All About Laser Welding

Welding is the process to join two or more parts of metal by using different methods such as spot welding or welding with arcs. Laser beam welding can be an additional technique that uses powerful lasers to join several pieces of metal.

Laser beam welding offers many benefits like the ability to make welds that are narrow and deep because of their heat source. In the automotive industry, laser beam welding is frequently utilized for its fast and large-volume applications. If you want to get laser welding services, then you can visit www.protolase.com/.

Laser Welding

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Laser beam welding can provide high power density, which produces localized heat-affected zones that allow large cooling and heating rates. The size of laser spots may vary between 0.2mm to 13mm, but it is only smaller ones that are employed to make welding applications.

Perforation depth varies on the focal location of the laser and will be proportional to the energy being delivered. When the laser's focal point lies just beneath the level of the piece, then it is the best for penetration.

In laser welding, either a continuous or pulsed laser beam is employed to create the weld, and it will be dependent on the purpose. For deep welds, the use of a continuous laser but for lighter materials like very thin sheet metals, a pulsed laser that uses pulses that are only milliseconds long is used.

There are two kinds of lasers that are typically employed, which include solid-state and gas lasers. The first makes use of gas mixtures like nitrogen, helium, and carbon dioxide as a means while solid-state lasers utilize solid media like the chromium oxide in aluminum. 

Laser welding has many applications and is extensively utilized in the automotive industry.