Laser cutting and engraving machine
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Core Working Principle of CO₂ Laser Cutting and Engraving Machine
CO₂ lasers generate infrared laser light with a wavelength of 10.6μm (in the mid-infrared range) by electrically exciting a CO₂ gas mixture (usually containing CO₂, N₂, He, etc.). This wavelength of laser light has a very high absorption rate for non-metallic materials (such as wood, acrylic, fabric, etc.). When irradiated onto the material surface, the energy is rapidly absorbed and converted into heat, causing the material to locally melt, vaporize, or burn instantly. Combined with the movement trajectory of the laser head (controlled by a CNC system), this achieves cutting (separating materials) or engraving (surface removal or marking) effects.
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