The fiber laser cutting machine outputs a high-energy density laser beam through a fiber laser and gathers it on the surface of the workpiece. The area illuminated by ultra-fine focal spot on the workpiece instantly melts and vaporizes. Automatic cutting is achieved by moving the spot position. In fact, fiber laser cutting machines can not only perform flat cutting, but also oblique cutting, with neat and smooth edges, making them very suitable for high-precision cutting of metal plates and other materials.
Although the processing range can only choose metal and a small portion of non-metallic materials, the cost-effectiveness is very high because of the following advantages:
1. Fiber lasers have a higher light conversion rate, reaching over 30%. High precision, fast speed, narrow cutting seam, small heat affected zone, and smooth cutting surface.
2. The output wavelength of the fiber laser is 1.064 microns, with good beam quality and high power density, which is very conducive to the absorption of metal materials and has excellent cutting ability.
3. The entire machine is transmitted through optical fibers, without the need for complex light guiding systems. The optical path is simple, the structure is stable, and the design of the mechanical system will also become very simple.
4. The laser cutting head does not come into contact with the material surface, does not scratch the workpiece, and has minimal local deformation of the workpiece.
5. It has good processing flexibility and can process any shape, including pipes and other irregular parts. It can perform deformation free cutting on high hardness materials such as steel plates, stainless steel, aluminum alloy plates, and hard alloys.
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