Publisher: Administrator Date：2021-11-11
1. High flexibility: laser welding technology is the current welding method. Compared with traditional welding technology, laser welding technology belongs to non-contact welding. There is no need to pressurize the operation process. It has the advantages of fast welding speed, high efficiency, large depth, small residual stress and deformation. Laser welding technology can weld refractory materials such as high melting point metals, and can even be used for ceramics For the welding of non-metallic materials such as plexiglass, the welding of special-shaped materials has good effect and great flexibility. Flexible transmission non-contact welding shall be carried out for parts that are difficult to be welded and close to. Laser beam can realize time and energy splitting, and can process multiple beams at the same time, which provides conditions for more precise welding.
2. Can weld difficult materials: laser welding is the fusion of materials by using laser beams with extremely high energy density, Laser welding machine The utility model has the advantages of fast welding speed, high strength, narrow weld, small heat affected zone and small workpiece deformation,
It has the advantages of less follow-up processing workload and high flexibility. Laser welding can not only weld common carbon, steel and stainless steel, but also use materials that are difficult to weld by traditional welding, such as structural steel, aluminum, copper and other metals, and can weld various forms of welds.
3. Low labor cost: because the heat input is very low during laser welding, the deformation after welding is very small, and the welding effect with very beautiful surface can be achieved, the subsequent treatment of laser welding is very few, which can greatly reduce or cancel the labor in the huge polishing and leveling process. This is of great practical significance in today's rising labor costs.
4. Safer: the laser welding machine is carried out in a closed safety protective cover and equipped with automatic dust extraction device,
While ensuring the health and safety of employees, it can also maintain a clean and tidy working environment in the plant. Laser welding machining technology is a kind of integration Laser technology, welding technology, automation technology, material technology, mechanical manufacturing technology and product design are integrated into a comprehensive technology, which is not only reflected in a complete set of special equipment, but also reflected in the supporting process. Laser welding machine has the advantages of high processing precision, fast production speed, good surface finish and beautiful appearance. Therefore, it is more applied to precision welding industries such as glasses, hardware and electronics, jewelry, bathroom and kitchenware. The processing flow is to radiate the laser beam into the surface area of the processed workpiece. After the laser beam is focused by the optical system, the power density of the laser focus is 104-107w / cm2. Through the interaction between the laser and the welded object, a heat source area with high energy concentration is formed at the welded place in a very short time, The heat energy melts the area to be welded and then cools and crystallizes to form firm solder joints and welds. According to the different lasers used and their working modes, there are two common welding methods. One is pulse laser welding, which is mainly used for single point fixed continuous and thin material welding, forming circular solder joints during welding; The other is continuous laser welding, which is mainly used for welding and cutting large and thick parts. A continuous weld is formed in the welding process. In the welding process, the position of beam focus is one of the most key control process parameters. Under a certain laser power and welding speed, only when the focus is in a good position range can we obtain a large penetration and good weld shape.