Application and optimization of laser welding in sheet metal manufacturing

Laser welding uses high energy density laser beam to fuse materials. It has the advantages of fast welding speed, high strength, narrow weld seam, small heat-affected zone, small deformation of the workpiece, less follow-up processing workload, and high flexibility. Laser welding can not only weld common carbon steel and stainless steel, but also weld materials that are difficult to weld with traditional welding, such as structural steel, aluminum, copper and other metals, and can weld various forms of welds.　Modern sheet metal manufacturing has higher and higher requirements for welding strength and appearance effects, especially components with high added value and high requirements for welding quality, which can be completed without or with little subsequent processing. However, traditional welding methods inevitably cause problems such as distortion and deformation of the workpiece due to the extreme heat input. In order to compensate for the problem of workpiece deformation, a large number of subsequent processing methods are required, which leads to an increase in cost. However, laser welding has a small heat input, so it brings a small heat-affected zone, which significantly improves the quality of welding products and reduces the time for subsequent work. In addition, due to the fast welding speed and large welding aspect ratio, welding efficiency and stability can be greatly improved. Therefore, the application of laser welding in sheet metal manufacturing is becoming more and more common. (The above is edited and compiled by the laser pipe cutting machine and reprinted from the Internet again, please explain the source.)