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Laser cutting of high alloyed steel with nitrogen (N2) in Unterschleissheim (Germany).

Cutting

There are various ways of separating materials. They include mechanical methods such as sheering and thermal methods such as oxyfuel, plasma and laser cutting.

In the case of oxyfuel, plasma and laser cutting, thermal energy is used to heat materials up to ignition, melting or evaporation temperatures.

Flame cutting and laser cutting with oxygen use the exothermic energy of the oxygen reaction in the process. Flame and laser beam heat material only until ignition temperature is reached. The oxygen jet combusts the material and blows out melt and slag.

The cutting speed depends on the purity of the oxygen and the shape of the cutting gas jet. High purity oxygen, optimised nozzle design and suitable gas supply means high productivity.

In plasma cutting and laser cutting with nitrogen, the material is heated up to melting temperatures and the cutting gas blows out the melt. The choice of cutting gas needs to be adapted to application for best performance.

Lasers can also be used to cut materials such as wood or plastics. Evaporation of metallic material is used for example in laser drilling or piercing of the starting hole. Gases suppress ignition of flammable materials and support material removal during drilling and piercing.

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Download
AGA CW Product Catalogue A4 UK(PDF 180.0 KB) ODOROX® Odorized Oxygen Brochure UK(PDF 822.0 KB) AGA Acetylene Brochure UK(PDF 3.0 MB) Laserline global gas solutions brochure 2018(PDF 2.0 MB)
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