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Which material is the most commonly used in laser cutting?

Release time:2020-05-21 Source:Dongguan Kaiye Craft Products Co., Ltd

Which material is the most commonly used in laser cutting?
aluminum
Despite its high reflectivity and thermal conductivity, aluminum with a thickness of less than 6mm can be cut, depending on the alloy type and laser capability. When cutting with oxygen, the cutting surface is rough and hard. When nitrogen is used, the cutting surface is smooth. Pure aluminum is very difficult to cut because of its high purity. Only when the "reflection absorption" device is installed on the system can the aluminum be cut. Otherwise the reflection will destroy the optical components.
titanium
Titanium plate is cut with argon and nitrogen as processing gas. Other parameters can refer to nickel chromium steel.
Copper and brass
Both materials have high reflectivity and excellent thermal conductivity. Brass with thickness less than 1mm can be cut with nitrogen; copper with thickness less than 2mm can be cut with oxygen. Copper and brass can only be cut when a "reflection absorption" device is installed on the system. Otherwise the reflection will destroy the optical components.
structural steel
When the material is cut with oxygen, good results will be obtained. When oxygen is used as the processing gas, the cutting edge will be slightly oxidized. For plates up to 4mm thick, nitrogen can be used as processing gas for high-pressure cutting. In this case, the cutting edge will not be oxidized. When the thickness of the plate is more than 10 mm, the special plate is used for the laser and the surface of the workpiece is oiled during the processing.
stainless steel
Cutting stainless steel needs: oxygen is used, when the edge oxidation is not important; nitrogen is used to get the edge without oxidation and burr, so no further treatment is needed. Coating the oil film on the surface of the plate will get better perforation effect without reducing the processing quality.


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