After entering the 20th century, the utilization rate of laser in the market has gradually increased, and the laser technology has also increased steadily. Following the appearance of solid-state lasers in the public field of vision, gas lasers, ion lasers, X-ray lasers and fiber lasers have developed one after another. In recent years, the development of fiber lasers is quite obvious, and its application fields have also expanded to light industry, automobile manufacturing, iron and steel metallurgy and other heavy industries. It provides good technical equipment for the upgrading of traditional industries and modern technological transformation.

Compared with ordinary light photography, laser has four characteristics: monochromaticity (single wavelength), coherence, directivity and high light intensity. The laser beam is easy to transmit in the working process, and the temporal and spatial characteristics can be controlled respectively. After focusing the laser beam, a high-power and density spot can be obtained. While focusing, it can melt and vaporize any type of workpiece, and heat affect the local area of the workpiece. In the process of general processing, the smaller the heat input of the workpiece, the smaller the heat affected zone and thermal deformation, the higher the processing efficiency, and the easier it is to realize machine automatic processing. Laser technology involves many fields and disciplines, and is a comprehensive and high technology. According to the laser applications in the market, after years of research, development and improvement, there are many kinds of contemporary lasers and laser processing equipment, forming a series of laser processing technology.

Laser cutting and laser welding are widely used laser processing technology in the market. In the automobile manufacturing industry and other parts processing, some manufacturers will use laser cutting equipment for processing, and some processors will choose other processes. With the improvement of science and technology, high-power laser equipment is also emerging in the development, and the processing objects of laser cutting will gradually expand in metal and non-metal processing parts. For example, laser can be used to cut three-dimensional shapes of machined parts with high hardness and high melting point. Of course, this is also the advantage of laser cutting.

At present, enterprises using 3D laser cutting equipment are mainly divided into two categories. 1. Large and medium-sized industrial manufacturing enterprises with strong economic and technological strength. These enterprises will produce a large number of plates, which need to be rounded and trimmed. 2. Intermediate processing stations, which mainly undertake external laser processing business, have no products developed and manufactured by themselves. However, it can meet the processing needs of some small and medium-sized enterprises, and bring publicity and demonstration to the promotion and use of laser cutting technology.

The cutting accuracy and quality of machined parts will change with different parameters, such as cutting power, speed, material thickness, material and other factors. Of course, the rich experience of operators is also an important option. Laser cutting technology is a comprehensive technology of optical, mechanical and electrical automation. The parameters of laser beam, the accuracy of machine motion direction, and the application of electrical conversion all directly affect the efficiency and quality of laser cutting.