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Analysis Of Different Auxiliary Gas On Laser Cutting
Dec 16, 2016

Laser cutting and other cutting methods, General characteristics are of high quality, high efficiency, high speed, in the petrochemical industry, coating, metallurgy, food and many other industries are widely used. In order to allow users to learn more about laser cutting, specially for you here in this paper describes the different functions of auxiliary gas on laser cutting.

Auxiliary gas is spurting from the cutting machine cutting gases, compressed air, nitrogen, oxygen, three commonly used. Auxiliary gas on laser cutting is very large, it can be melted and vaporized cutting part blown away, you can also blow away fumes during the cutting process, thereby reducing the cut block. Materials of different thickness and different materials to assist gas pressure and flow requirements are not the same, cutting carbon steel General, oxygen, while cutting stainless steel selected nitrogen.

Cutting carbon steel Shi, auxiliary gas oxygen of purity General requirements in 99.5 above, pressure and flow is according to cut mouth of model, and plate of thickness to set, usually situation Xia, pressure requirements in 0.3-0.8Mpa. flow of requirements is compared complex, like cutting 22mm thick of carbon steel, some manufacturers on requirements must reached 10M3/h. oxygen in carbon steel cutting process in the of role is combustion and blow off cutting of thaw melt real.

When cutting stainless steel and auxiliary gas-nitrogen purity of 99.999 per cent and pressure requirements are relatively large, at more than 1Mpa, if it is a cut above 12mm stainless steel plate, pressure value greater or even 2Mpa. Flow requirements depending on the thickness of the plate, and cut 3mm 50m3/h is only required when the following flow of stainless steel plates, stainless steel plate cutting 12mm is required for 150m3/h. the role of nitrogen in the stainless steel cutting process is to eliminate oxidation and blow out the melting.