Compressed Air is always required in the laser cutting process– for the cutting machine, extraction and automation. It can also be used for the actual cutting.
A clean laser stream is vital for the laser cutting process to prevent any irregularities or jaggedness to the cut. To prevent any contamination to the laser, nitrogen purges the tube that the beam travels through. This also pushes out oxygen and any contaminates in the air that would otherwise affect the laser.
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