Laser welding is one of the important parts of laser material processing. Laser welding is a kind of precision welding technology which uses light beam as heat source. It mainly uses laser beam to heat the workpiece surface, heat from the surface of the material to the internal diffusion. By adjusting the parameters of the laser pulse, the corresponding material is melted to form a specific molten pool.

Stainless steel is widely used in the manufacture of various finished products, and the welding of stainless steel sheet has become an important process in the manufacturing process. But because of the characteristics of sheet stainless steel, welding difficulty is greater, once became the field of sheet stainless steel welding problems.

Traditional welding machine has great problems in processing thin stainless steel. Because of its small thermal conductivity, only about one third of ordinary mild steel, the degree of constraint is small. Therefore, once the local heat cooling in the welding process, will form uneven stress and strain, longitudinal contraction of the weld will produce pressure on the outer edge of the stainless steel plate. Once the pressure of the traditional welding machine is too high, it will cause the wave deformation of the workpiece, which will not only affect the appearance but also the quality of the workpiece, but also cause overburning.

The appearance of 2000w hand-held fiber laser welding machine solves this problem well. Laser welding uses laser pulses to locally heat the material in a small area. The energy of the laser radiation is diffused through thermal conduction into the material, which is melted to form a specific molten pool. High welding depth to width ratio, small weld width, small heat affected zone, small deformation, fast welding speed, smooth and beautiful weld, no need to deal with or simple treatment after welding, high quality weld, no porosity, small focusing spot, high positioning accuracy, easy automation. With many advantages, laser welding machines are gradually replacing the traditional sheet welding market.