Laser cutting machine is an important tool in the field of cutting, known as the fastest "knife". The principle is that high density and high energy laser beam irradiates the material surface, vaporizes and removes part of the material, and forms cutting. According to the wavelength characteristics, the laser cutting machine is divided into CO2 laser cutting machine, fiber laser cutting machine, green laser cutting machine and UV laser cutting machine in industrial applications.
Laser cutting processing is to use invisible beam instead of the traditional mechanical knife, with high accuracy, fast cutting, not limited to cutting pattern restrictions, automatic typesetting save material, incision smooth, low processing costs, will gradually improve or replace the traditional metal cutting process equipment.
So, what are the differences between fiber laser cutting machine and UV laser cutting machine?
Analysis of the difference between fiber laser cutting machine and UV laser cutting machine:
1, the difference between processing materials:
Laser application range is very wide, whether fiber laser or UV laser, can be applied to metal and non-metallic materials, especially UV laser application range is more extensive, almost covering all fields from metal to non-metal.
According to the characteristics of the processed material, the absorption of the laser band is not the same, so the selected laser cutting machine is different; According to the quality of processing requirements, the higher the laser beam quality, heat impact requirements, the choice of laser cutting machine will be different; According to the thickness requirements of processing materials, the threshold range of laser can be achieved within the band range is not the same, and the selected laser cutting machine is also different.
In the processing of metal materials, fiber laser cutting machine and UV laser cutting machine have a certain homogenization, can process the following 0.2mm ultra-thin metal materials, such as copper, nickel, titanium alloy and so on. The difference is that the fiber laser cutting machine processes ultra-thin metal by scanning the galvanoscope, and the edge will have serious carbonization. The edge will have deformation due to the heat effect, and the edge of different materials even has burrs. The efficiency of UV laser cutting machine processing ultra-thin metal is lower than that of optical fiber, but the processing effect is good, the edge is burr free, the degree of carbonization is low, the edge will not be deformed because of the heat effect. This difference lies in the processing principle of fiber laser cutting machine and UV laser cutting machine, fiber laser cutting machine is vaporization cutting, and UV laser cutting machine is processed by destroying the molecular bond mode of the material, less thermal impact.
Fiber laser cutting machine has higher power and greater thermal impact, which is often used for thick metal material cutting, such as stainless steel cutting, carbon steel cutting, etc., using the collimating focusing head cutting, high processing efficiency. The power of UV laser cutting machine cannot achieve higher power at this stage, only for thin non-metallic materials and ultra-thin metal material cutting, such as PCB, FPC, film materials are used in the galvanoscope scanning method of layer by layer peeling cutting.
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