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Laser cutting machine design of light path system
by：Transon
2020-10-28
Laser cutting machine manufacturer will according to the characteristics of laser generator output laser to design their own light path system, the design of the final purpose is to ensure that within the scope of laser cutting machine in the whole process can obtain relatively stable beam quality, common optical path institutions, such as light path design, beam expander lens system and adjustable lens curvature.
Such as optical path design is relatively straightforward, easy to implement the whole processing range of light waist position, but need to increase the set of servo motor, the manufacturing cost is relative taller;
Beam expander lens design is relatively simple, mainly according to the installation location of each lens in machine tool to calculate the curvature of the concave mirror and convex mirror size, beam expander state depends on the working distance, the processing scope, the size of the lens and a laser beam transmission characteristics, etc. ;
Adjustable lens curvature are relatively complex to application, mainly involves a lot of cutting process test was able to draw a relatively reliable curvature size, so that they can through the real-time change of curvature size to ensure the quality of laser cutting
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