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USE OF NITROGEN AS CUTTING GAS IN LASER CUTTING

Instead of the standard shear blades, manufacturers today use hassle free laser technology to get the best results.

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USE OF NITROGEN AS CUTTING GAS IN LASER CUTTING

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  1. Blog: Altparts.com USE OF NITROGEN AS CUTTING GAS IN LASER CUTTING Instead of the standard shear blades, manufacturers today use hassle free laser technology to get the best results. Use of nitrogen in this method is ideal for applications in which you do not require interference from oxidation processes. For example, presence of oxide layer will decrease the adherence of paints to the surface especially if it is non-alloy steel. After cutting, whenever you want to paint non-alloy steel, nitrogen should be your choice of cutting gas. Steel welding components where you use oxygen as the assistive gas with Amada laser doesn't pass bending test. When you cut stainless steel with oxygen, it starts losing its properties of successful corrosion resistance. Similarly, when you use the same gas for cutting aluminum pieces the output is burred and uneven cut surfaces. Use of nitrogen as cutting gas allows laser beams to melt materials where nitrogen will blow away molten material away from cutting grooves. However, here exothermic reactions do not happen with the use of Fanuc laser with nitrogen gas. This way cutting speed becomes quite slow compared to the situations where you are using oxygen gas. Do you want to ensure cut burr-free edges? In order to achieve this you will need to focus your laser beam towards the plate bottom surface. The amount of pressure required to cut a piece will depend upon its thickness when you are using nitrogen gas. However, make sure to procure the purest possible for of the gas because presence of oxygen even in trace amounts will promote corrosion.

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