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YAG laser welding machine features and working principle

Laser welding is a laser material processing machine, 1970s primarily for welding thin-walled material and a low-speed welding, the welding process is hot conduction type, i.e., the laser radiation heating surface of the workpiece, the surface diffusion of heat through the heat transfer inside the guide, by controlling the laser pulses The parameters such as width, energy, peak power, and repetition frequency cause the workpiece to melt and form a specific molten pool. Due to its unique advantages, it has been successfully applied to the precision welding of micro and small parts.



The advent of high-power CO2 and high-power YAG Laser welding machines opened up new areas for laser welding. The deep penetration welding based on the small hole effect has been obtained, and it has been increasingly used in the mechanical, automotive, and steel industries.

Type of laser welding machine
Laser welding machine is often called laser welding machine, laser welding machine, laser welding machine, laser cold welding machine, laser welding equipment. According to its working methods, it can often be divided into laser mold welding machine (manual laser welding equipment), automatic laser welding machine, jewelry laser welding machine, laser spot welding machine, optical fiber transmission laser welding machine, galvanometer welding machine, hand-held welding machine. And so on, special laser equipment has a sensor welder, silicon steel laser welding equipment, keyboard laser welding equipment. In jewelry, with a nickel battery, integrated circuit pin, watch springs, picture tube, the electron gun assembly, a sensor, a tungsten filament, high-power diode (transistor), an aluminum alloy, laptop case, cell phones, mold, electrical accessories, filter , welding nozzles, stainless steel products, golf balls, zinc alloy handicrafts, etc.

Laser welding machine working principle
Laser welding uses high-energy laser pulses to locally heat the material in a tiny area. The energy of the laser radiation diffuses into the interior of the material through heat conduction, melting the material to form a specific molten pool. It is a new type of welding method. It is mainly used for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, overlap welding and sealing welding. It has a high aspect ratio, a small weld width, and a small heat affected zone. The deformation is small, the welding speed is fast, the weld seam is smooth and beautiful, and no treatment or simple treatment is needed after welding. The welding seam has high quality, no porosity, can be accurately controlled, and the focused spot is small, positioning accuracy is high, and automation is easy.

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