Different cutting methods of CNC desktop laser cutting machine

There are many different cutting methods of CNC desktop laser cutting machine, which are mainly based on the different materials to be cut, and the cutting methods used are also different.

1. Melt cutting (high pressure cutting)

The energy effect of the material in the laser beam The bottom is melted.

Gas, in this case, nitrogen under high pressure (10 to 20 bar) is used to drive the molten material out of the cut.

The gas can also protect the focusing optics from splashes.

This cutting method can protect the cutting edge from oxidation, and is mainly used for stainless steel, aluminum and its alloys.

2. Oxidation cutting (laser torch cutting)

The material is heated to the combustion temperature by the laser beam.

Gas, in this case, moderate pressure (0.4 to 5 bar) oxygen is used to oxidize the material and drive the slag out of the cut.

Gas can also protect the focusing optics from splashing.

The exothermic reaction of oxygen and material provides most of the energy for the cutting process.

This cutting method is very fast and is used for economical cutting of carbon steel.

Laser cutting machine is a particularly refined steel plate finishing equipment. There are two types of laser cutting machines: fiber laser cutting machines and YAG (dry laser cutting) laser cutting machines. The error can generally be controlled within 0.3 mm, but the price is also very expensive! At present, fiber laser cutting machines are mainly used to cut sheet materials of 0.5-100 mm. Under normal circumstances, the price is in the tens of millions of pounds. Generally speaking, these are acquired by large state-owned enterprises, foreign-funded enterprises or large enterprise groups. This is also a particularly good metal processing equipment at present, but its price is unacceptable! At present, the processing thickness of laser cutting machines is divided into several types, generally less than 5mm, and those with 5mm to 16mm and above belong to high-power laser cutting machines.

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