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Uv laser marking machine can and fiber laser marking machine?

by：Leadtech Coding     2020-06-21
Cold light, ultraviolet laser marking machine is mainly used wavelength is 355 nm, only focusing spot diameter smaller, various materials on uv absorption is higher, heat effect is smaller ( Can be ignored) , so the marking effect should be more careful. Ultraviolet laser marking machine price is higher, and that is why in superfine machining need often use ultraviolet laser marking machine is one of the reasons. Uv laser marking function, as well as optical fiber laser marking machine? The wavelength of the fiber laser marking machine is 1064 nm, belong to the infrared light, easy to produce high temperature, some materials will be burnt. But now the fiber laser marking machine is the mainstream of metal marking machine on the market, on the metal fiber laser marking machine will have a great change on the metal surface. Uv laser marking machine applies to almost all except copper material processing. UV in the use of metal is less, UV marking machine is expensive, and relatively low power ( At present basically is 3 w, 5 w) 。 If the function of ultraviolet laser marking up to 10 w to 20 w or less, so there is no question of what material. Uv laser marking machine structure and the structure of the fiber laser marking machine is the same. Optical fiber laser marking machine and uv optics cannot use marking machine. Ultraviolet laser wavelength of 355 nm, fiber laser wavelength of 1064 nm, the wavelength of ultraviolet laser is based on 1064 - nm wavelength frequency doubling wavelength, therefore the technical difficulty is bigger. Compared with the optical fiber laser marking machine, uv marking machine vibrating mirror and lens coating thickness and material is different, can't general use.
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