Laser Welding processing Technology: Principle, Application and Future Development

【Summary Description】 With the continuous progress of science and technology, laser Welding processing technology, as an efficient and precise welding method, has been widely used in manufacturing industry. This paper will discuss the principle, technical characteristics, application fields and future development trend of laser welding. The principle and technical characteristics of 1. laser welding Laser welding is the use of high energy density of the laser beam as a heat source, through the instantaneous high temperature material melting, cooling after the formation of a welding method. Laser welding has the advantages of high energy density, fast welding speed, small heat affected zone and high weld quality. In the process of laser welding, after the laser beam is focused through the optical system, a very small spot is formed, which makes the energy highly concentrated, so as to realize fast and efficient welding. Application fields of 2. laser welding Automotive industry: Laser welding is widely used in automobile manufacturing, such as body welding and parts connection. Laser welding can improve the strength and rigidity of the car body, reduce the weight of the car body, thereby improving the fuel economy and safety of the car. Aerospace field: The aerospace field requires extremely high welding quality and accuracy. Laser welding technology is widely used in the manufacturing process of aircraft, rockets and other aerospace vehicles because of its high precision and high quality. Electronic product manufacturing: In the manufacture of electronic products, laser welding technology can be used for precision welding of small parts, such as the internal structure connection of electronic equipment such as mobile phones and computers. Laser welding can achieve high precision, no damage welding effect, improve the reliability and performance of electronic products. Future development of laser welding in 3. With the continuous progress and innovation of laser technology, laser welding technology will develop in the following directions: Automation and intelligence: With the rapid development of industrial automation and intelligent manufacturing technology, laser welding technology will achieve a higher degree of automation and intelligence. Through the introduction of advanced control system and sensor technology, the automatic monitoring and adjustment of the welding process are realized, and the welding quality and efficiency are further improved. Research and development of new materials and new processes: With the continuous development of new material technology, laser welding technology will face more types of metal materials and non-metallic materials. Therefore, the development of laser welding processes and equipment suitable for new materials will become an important direction for future development. Green environmental protection: In the context of increasing environmental awareness, laser welding technology will pay more attention to environmental protection. Research and development of low energy consumption, low pollution laser welding equipment and process, reduce the harmful substances produced in the welding process, reduce the impact on the environment. In short, laser Welding processing technology, as an efficient and precise welding method, has a wide range of applications in many fields. With the continuous progress and innovation of science and technology, we have reason to believe that laser welding technology will continue to grow and inject new vitality into the sustainable development of the manufacturing industry. At the same time, we also need to pay attention to the environmental protection and sustainable development of laser welding technology, and strive to achieve the harmonious coexistence of technology and environment.

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