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Laser welding is an efficient and precise welding method that uses a high-energy density laser beam as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. In the 1970s, it was mainly used for welding thin-walled materials and low-speed welding. The welding process belongs to the heat conduction type, that is, laser radiation heats the surface of the workpiece, and the surface heat is guided to the interior for diffusion through heat conduction. By controlling parameters such as the width, energy, peak power, and repetition frequency of the laser pulse, the workpiece is melted and a specific molten pool is formed. Due to its unique advantages, it has been successfully applied in precision welding of micro and small parts.

China's laser welding is at the world's advanced level, with the technology and capability to use laser to form complex titanium alloy components of over 12 square meters.

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