Основные особенности лазерной сварки заключаются в следующем.:
(1)Тепловложение небольшое, the weld width to width ratio is large, and the heat affected zone is small, resulting in small shrinkage and deformation of the workpiece, and no post-weld orthopedics are required;
(2)high weld strength, fast welding speed, narrow weld seam and good surface condition, eliminating the need for post-weld cleaning;
(3)Welding consistency and stability are generally not filled with metal and flux, and can achieve partial dissimilar material welding;
(4)Бесконтактная обработка, no need to pressurize the workpiece and surface treatment;so
(5) Small solder joints, high energy density, suitable for high speed machining;
(6)Short-time welding, which has no thermal influence on the outside world, and has small thermal deformation and heat-affected zone of the material itself, especially suitable for processing high melting point, high hardness and special materials;
(7) No processing noise, no pollution to the environment;
(8) It is easy to change the laser output focal length and solder joint position;
(9)The assembly precision of the welded workpiece is high, and the accuracy of the beam manipulation is relatively high;
(10) Due to the large spatter, the penetration weld is rougher than brazing, but the strength is much higher than ordinary spot welding.

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