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In the field of laser processing, “does the small scale fiber laser cutting machine need gas” is the core question often asked by users. In fact, the operation of fiber laser marking machines is inseparable from auxiliary gases-oxygen, nitrogen or air can not only protect the cutting head and improve accuracy, but also remove slag. For example, oxygen is suitable for carbon steel cutting, and nitrogen is more suitable for high-precision stainless steel processing. However, in the field of marking, the gas requirements of small scale fiber laser cutting machine are very different, and Eagle laser, as a professional brand of laser equipment, our fiber laser cutter for metal takes this advantage to the extreme.