Laser Welding Realizes Industrial Production Automation

After new energy vehicles enter the "rapid development" stage, it can be expected that the advanced manufacturing technology represented by laser technology will not only promote the upgrading of the automobile industry, but also drive the development of the entire industry. Especially the important application of laser welding technology in the automobile industry, its application fields will be more extensive.

Laser welding uses a high-energy-density laser beam to heat the workpiece, so that its working temperature rises rapidly, and then fuses to form a permanent connection. Compared with other welding methods, laser welding technology has melting depth, fast speed, small deformation, low requirements for welding environment, high power density, not affected by magnetic field, not limited by conductive materials, does not require vacuum, and does not require X-rays It has been widely used in high-precision machining due to its welding advantages. However, compared with other welding technologies, the cost of laser automatic welding complete sets of equipment is high, the requirements for automation equipment are high, and manual operation is difficult. At present, laser welding technology is more and more widely used in automobiles, power batteries and other aspects.

Laser welding technology has the characteristics of fast, easy remote control and automation, and is widely used in industries such as automobiles and new energy lithium batteries. Especially in recent years, with the development of new energy vehicles, the demand for laser welding equipment is increasing big. The main application technologies in the automotive industry include: laser welding of unequal thick plates, laser welding of body assemblies and parts, and laser welding of auto parts. In terms of power batteries, explosion-proof valve sealing welding, tabs, soft Connection, battery case sealing, module and PACK welding and other processes.

With the reshaping of the global manufacturing structure, the government has introduced "Made in China 2025", which clarifies the upgrading direction of China's manufacturing industry, focusing on industrial production automation and informatization. The government has issued a number of relevant policies and measures to actively guide the development of industrial automation. In 2015, my country has become the country with the largest sales of new energy vehicles. The lithium battery industry for new energy vehicles has developed rapidly, especially the automation of new energy vehicles is extremely high.

Feilei laser gantry vibrating mirror laser welding machine is a high-precision working method of loose bead linkage, which can weld a large number of materials. The high-power collimated laser welding head can realize large gap welding, which can meet the needs of new energy lithium batteries to nickel, tabs, Various laser welding of power battery packs such as poles, copper-aluminum connecting pieces, bus connecting pieces, square shells and polymer-to-nickel, has the advantages of fine laser welding spots, high precision, and high degree of automation. It can weld various types of lithium batteries Group welding requirements.

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