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The influence of laser cutting machine material
by：Transon
2020-11-01
Laser cutting machine material surface reflectivity of CO2 laser emitting 10.
6 mm far infrared beams, non-metallic materials for its better absorption, which have a high absorption rate, surface of metal materials is to 10.
6 mm beam of light absorption is poorer, especially with high reflectivity of gold, silver, copper and aluminum metal, etc. , for this kind of material is generally not suitable with CO2 laser, especially the continuous wave beam to cut.
For aluminum, copper, enough to form the initial power generally need more than 3 kw, in order to obtain the initial penetration effect need holes.
Ferrous iron and steel materials, nickel, titanium to 10, etc.
6 mm beam has a certain absorption rate of CO2, especially when the material surface or until heated to a definite temperature oxidation film, the absorption rate will also increase, good cutting effect is achieved.
Laser cutting machine material surface state of the surface state directly affect the absorption of light beam, especially the surface roughness and surface oxidation layer can cause obvious change in the surface absorption.
In the practice of the laser cutting, sometimes the influence of the surface state on the beam of light absorption rate available materials to improve the cutting performance of materials.
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