Laser welding is one of the important components of laser material processing. Laser welding is a precision welding technology that uses a high-energy beam as a heat source. It mainly heats the surface of the workpiece through a high-energy laser beam. The parameters of the laser pulse are adjusted to melt the corresponding material to form a specific molten pool.
The principle of laser welding can be divided into heat conduction welding and laser deep penetration welding. Tailored laser welding uses laser energy to combine materials of different materials, thicknesses or shapes to meet the needs of material properties in different situations, and can achieve equipment with the lightest weight, optimal structure and best performance Lightweight.
So, what are the advantages of laser welding machine in the field of thin plate welding?
Stainless steel materials are widely used in the manufacture of various finished products, among which the welding of stainless steel sheets has become an important process in the manufacturing process. However, due to the characteristics of thin-plate stainless steel itself, it has also caused certain difficulties in welding, and it has once become a welding problem in the field of thin-plate stainless steel.
There is a big problem in the processing of thin-plate stainless steel by traditional welding machines. Due to its small thermal conductivity, thin-plate stainless steel is only about one third of that of ordinary low-carbon steel, and the degree of restraint is small, so once it is locally heated and cooled during the welding process The effect of welding will form uneven stress and strain, and the longitudinal shrinkage of the weld will produce a certain pressure on the outer edge of the stainless steel sheet. Once the pressure of the traditional welding machine is too large, it will cause wave-like deformation of the workpiece, which not only affects the appearance but also affects the In addition to the quality of the workpiece, there will be problems of over-burning and burn-through.
The emergence of fiber laser welding machine solves this problem well. Laser welding uses high-energy laser pulses to locally heat the material in a small area. The energy of laser radiation diffuses into the interior of the material through heat conduction, and the material is melted. Form a specific molten pool. High welding aspect ratio, small welding seam width, small heat affected zone, small deformation, fast welding speed, smooth and beautiful welding seam, no need or simple treatment after welding, high welding seam quality, no pores, and can be precisely controlled , The focusing spot is small, the positioning accuracy is high, and it is easy to realize automation. Laser welding machines are gradually replacing the traditional thin plate welding market with many advantages.
The above is the analysis of the advantages of laser welding machine in the field of thin plate welding. Laser welding machines are widely used in dental denture processing, circuit board welding, splicing steel plate welding, sensor welding, battery sealing cover welding, etc.
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