SWT Laser cladding technology refers to the process of placing selected coating materials on the surface of the clad substrate in different feeding methods, melting them together with a thin layer on the substrate surface by laser irradiation, and forming a surface coating with very low dilution and metallurgical combination with the substrate after rapid solidification, it can  greatly improve the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical characteristics of the substrate surface, to achieve the purpose of surface modification or repair, which not only meets the requirements of specific properties of the material surface, but also saves a lot of valuable elements.

Compared with surfacing, spraying, electroplating and vapor deposition, laser cladding has the characteristics of small dilution, dense structure, good combination between coating and substrate, many suitable cladding materials and large changes in particle size and content. Therefore, the application prospect of laser cladding technology is very wide.