Explore the knowledge and development of 3D laser welding
Published:
2022-09-13
Three-dimensional laser cutting machine welding compared with traditional welding technology, the advantages of high efficiency of laser welding production, without contact with the welded workpiece, is widely used in the automotive and marine fields, three-dimensional laser welding is also constantly expanding to more material processing industry sectors.
Three-dimensional laser cutting machine welding compared with traditional welding technology, the advantages of high efficiency of laser welding production, without contact with the welded workpiece, is widely used in the automotive and marine fields, three-dimensional laser welding is also constantly expanding to more material processing industry sectors.
The domestic research area of the laser process is mainly focused on the speed of welding, while the mechanical properties of the welded joint are thoroughly explored and studied, the technology is a combination of its induced heating and traditional methods.
The welded workpiece is first dissolved with a laser beam from partial to total, and because the workpiece melting zone is relatively narrow, it can also be connected to thin plates. Through in-depth analysis of the microstructure of the workpiece during laser pressure welding, the newly crystallized material undergoes a process of plastic strain in this way.
As the 21st century has a promising market for three-dimensional laser processing and production methods, some researchers use a parametric mode change and reference data to analyze the impact of weld formation and droplet transition, the laser power reaches about 40 million values, however, there are other researchers use a new way to make up for the defects left in the welding process, and then use high-speed cameras and spectroscopy to analyze the changes in the droplet However, it can promote the interaction with the plasma line into a smaller diameter of the dissolved droplets.
Foreign research on three-dimensional laser cutting machine welding technology mainly lies in improving the welding conditions and external energy input, steam generators or water reactors in the booster, at a speed of 200mm / min, the advantages of vacuum laser welding technology and electron beam welding technology for professional comparison, vacuum laser welding to promote the development of the nuclear energy industry, the current technology because of the consideration of three-dimensional laser welding arc mode, comparing different pulse methods and the impact of the front and rear guide arc on the weld, but fiber laser welding can be more stable in a limited speed range to complete the solution drop transfer, its more cost-effective.
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