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Laser cutting machine cutting 7 types different metal materials

Date time:2016-5-29 13:35:14 Page view:

 Laser cutting machine cutting 7 types different metal materials
Metal on the initiation of 10.6 um laser beam absorption rate is only from 0.5% ~ 10%, however, when with a power density of more than 106w/cm2 focused laser beam irradiation to the metal surface, but it can in the microsecond time soon so that the surface begins to melt. The absorption rate of most metals in the molten state has risen sharply, which is generally improved by 60%~80%.
1.Titanium and its alloys.          
Pure titanium can be very good coupling focused laser beam transformation of heat energy, auxiliary gas oxygen chemical reaction, cutting speed, but easy to generate oxide layer on the cut edge, not careful will cause too much. For the sake of safety, the use of air as an auxiliary gas is better, to ensure the quality of cutting.          
Aircraft manufacturing industry commonly used titanium alloy laser cutting quality is better, although there will be a little sticky residue at the bottom, but it is easy to clean up.
2.Nickel alloy.          
Nickel based alloy, also known as super alloy, a lot of variety. Most of them can be carried out to melt and cut.
3.Carbon steel.          
Modern laser cutting machine can cut carbon steel plate with the maximum thickness of up to 20MM, the use of oxidation and melting cutting mechanism to cut carbon steel cutting seam can be controlled in a wide range of satisfaction, the thin sheet of its cut can be narrow to about 0.1MM.
4.Stainless steel.          
Laser cutting is an effective tool for the manufacture of the stainless steel sheet as the main component. In the strict control of the laser cutting process of the heat input measures can be restricted to the edge of the heat affected zone is very small, so that it is very effective to maintain the good corrosion resistance of such materials.
5.Alloy steel.         
The majority of alloy structural steel and alloy tool steel using laser cutting method to obtain good cutting quality. Even some of the high strength materials, as long as the process parameters are properly controlled, can get straight, non stick slag cutting edge. However, for high speed tool steel and hot die steel, laser cutting machine will have the phenomenon of corrosion and slag.
6.Aluminium and alloys.          
Aluminum cutting is a melting laser cutting mechanism, which is mainly used to blow away the molten product from the cutting area. For some aluminum alloys, it should be noted that the prevention of micro cracks on the surface of the cutting seam is noticed.
7.Copper and alloys.         
Copper (copper) because the reflectivity is too high, basically can not use CO2 laser beam cutting. Brass (Red copper) using a higher laser power, auxiliary gas using air or oxygen, can be a thin sheet of cutting.