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Advantages of fiber laser in sheet metal welding

Author: zixu   Time: 2019/09/21

With the advancement of automation in electrical machinery, automobile, railway, ship, aerospace and other industries, laser welding machine technology has been applied more and more. Laser welding equipment will also develop in the direction of diversification and multi-power.
At present, there are three types of lasers widely used in the market: optical fibers, pulsed Nd:YAG and CO2 laser sources. These three types of welding machine equipment have gained enough room for development, and have been reused in high-power processing. But this is not true for some applications, such as ultra-thin materials.
laser welding machine
Ultra-thin material welding is an ultra-fine technical work, which requires high laser beam: energy concentration, small welding deformation and flexibility, otherwise it will produce virtual welding or burn-through phenomenon. Fiber laser welding machine have all these advantages.
The focal spot of the laser beam can be as small as 10 microns, so the solder joint is very small. And because it is a CW laser, it meets the high power density needed in batch and continuous welding processing. In the field of Aeronautics and Astronautics with high lightweight requirements, optical fiber laser welding of light material sheets has become the focus of aeronautics research because of its greater advantages. With the maturity of related projects and technologies, the application of fiber laser in welding will be more and more extensive.
laser welding machine
Cooling Requirements for Fiber Laser Welding Thin Plates
Despite the fine fabrication of this kind of fiber laser, in fact, it is not "artificial" and is well maintained. As long as it is properly operated and used, its life is very long. Among them, the selection of laser water cooler is the key. First of all, the laser water cooler should have enough refrigeration capacity, and then stability. In addition, the water quality will also affect the laser (optional ion filter solution).
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