Laser welding utilizes high-energy laser pulses to locally heat a small area of material. The energy from the laser radiation diffuses into the material through heat conduction, melting it to form a specific molten pool.
It is a novel welding method primarily designed for welding thin-walled materials and precision parts. It can perform spot welding, butt welding, lap welding, and sealing welding, characterized by a high aspect ratio, narrow weld width, small heat-affected zone, minimal deformation, high welding speed, smooth and aesthetically pleasing welds, requiring little or no post-weld treatment, high weld quality, no porosity, precise control, a small focused spot, high positioning accuracy, and ease of automation.