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The Characteristics of Laser Cutting

The Characteristics of Laser Cutting

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Laser Cutting Parts

⑴ The cutting quality is good:

 

①Laser cutting incision narrow, both sides of the slit parallel and perpendicular to the surface, cutting parts of the dimensional accuracy of up to ± 0.05mm.

 

② cutting surface smooth and beautiful, the surface roughness of only a few tens of microns, and even laser cutting can be used as a last process, without mechanical processing, parts can be used directly.

 

③ After laser cutting, the width of the heat affected zone is very small, the performance of the material near the slit is almost unaffected, and the workpiece deformation is small, the cutting precision is high, the geometrical shape of the slit is good, and the cross section shape of the slit is more regular The rectangle. Laser cutting, oxyacetylene cutting and plasma cutting methods are shown in Table 1, cutting material is 6.2mm thick low carbon steel plate.

 

⑵ cutting efficiency is high

 

As the laser transmission characteristics, laser cutting machine is generally equipped with multiple CNC table, the entire cutting process can achieve all CNC. Operation, just change the NC program, you can apply different shapes of cutting parts, both two-dimensional cutting, but also to achieve three-dimensional cutting.

 

⑶ cutting speed

 

With a power of 1200W laser cutting 2mm thick low carbon steel plate, cutting speed up to 600cm / min; cutting 5mm thick polypropylene resin board, cutting speed up to 1200cm / min. The material does not need to be clamped during laser cutting.

 

⑷ non-contact cutting

 

Laser cutting when the torch and the workpiece without contact, there is no tool wear. Processing different parts of the shape, do not need to replace the “tool”, just change the laser output parameters. Laser cutting process low noise, small vibration, no pollution.

 

⑸ more types of cutting materials

 

Compared with oxyacetylene cutting and plasma cutting, laser cutting materials, including metal, non-metallic, metal and non-metallic matrix composite materials, leather, wood and fiber. However, for different materials, due to their own thermal physical properties and the absorption rate of different laser, showing a different laser cutting adaptability. Using CO2 lasers, the laser cutting performance of various materials is shown in Table 2.

 

Disadvantages :

 

Laser cutting due to the laser power and equipment volume constraints, laser cutting can only cut the thickness of the lower plate and pipe, the workpiece thickness increases, cutting speed decreased significantly.

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Oct-31-2018

Hunter Hu