Auxiliary Gas Of Laser Cutting Machine
When cut different metal materials, laser cutter needs different assist gas. And for different thickness of metals, it needs different air pressure and gas flow. That means to choose right assist gas and gas pressure are directly effect result of laser cutting.
The assist gas can not only blow away the slag on metal material in time, but also cool the it and clean the lens.
The main types of assist gases that XT LASER using are oxygen, air and nitrogen.
1. Compressed air
Air is suitable for cutting aluminum,galvanized steel plates. To some extent, it can reduce oxide film and save cost. When cutting plate is not thick, and the requirement for cutting end face is not too high. sheet metal case, cabinet will use it
Air is suitable for cutting aluminum, stainless steel plates. It can prevent oxidation.Keep a good cutting result.
if Oxygen mainly plays a role of combustion support, it can increase the speed of cutting and the thickness of cutting. Oxygen is suitable for thick metal cutting, high speed cutting and extremely thin metal cutting. For example, such as some thicker carbon steel plates, oxygen can be used. When cutting metals of different materials and thickness, choosing the suitable gas can help to shorten the cutting time and improve the cutting effect.
In short,when cutting Carbon steel, auxiliary gas is only O2.
When cutting Stainless steel, auxiliary gas can be N2 or O2 .
If using O2, cutting edge will be oxydized and not smooth and show black color.
If using N2, cutting effect is very good, very smooth.
Hope these information is helpful for you,if you have any questions of laser cutting machine,please kindly contact us.