What are the effects of fiber laser cutting machine gas and pressure selection

Hongte Fiber Laser Cutting Machine

When cutting with fiber laser cutting machine, choose different cutting gas according to different materials of cutting plate. The choice of gas and pressure has a great influence on the quality of fiber laser cutting machine.

The influence of cutting gas and pressure on cutting quality

(1) The cutting gas helps to dissipate heat and reduce the melting stains, so as to obtain a better quality cutting section.

(2) When the cutting gas pressure is insufficient, the cutting quality will be affected as follows: melting stains will appear during cutting, and the cutting speed will not reach the production efficiency.

(3) When the cutting gas pressure is too high, it will affect the cutting quality: the cutting surface is rough and the cutting seam is wide; at the same time, the cutting section will be partially melted and cannot be a good cutting section

The influence of cutting gas pressure on perforation

(1) When the air pressure is too low, it is difficult for the laser to penetrate the cutting board, and the punching time increases, resulting in low productivity.

(2) When the air pressure is too high, the penetration point will melt, forming a larger melting point, which will affect the cutting quality

(3) In laser drilling, high-pressure drilling is generally used to drill thin-plate parts, while special drilling methods are used to drill thick-plate parts to eliminate the disadvantages of low-gas protection for the lens

(4) When the laser cutting machine cuts ordinary carbon steel, the material is approximately thicker, and the cutting pressure is lower. When cutting stainless steel, the cutting gas pressure increases as the thickness of the material increases. The total value, the selection of cutting gas and pressure during laser cutting must be adjusted according to the actual situation, and different cutting parameters should be selected according to the specific conditions in the application of tools.

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