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The result of a cutting action using a laser on a workpiece may be a neat incision or, conversely, a rough or over- burned edge. Chutian Laser specializes in laser cutting machine research for 26 years. After continuous exploration, research and practice, it has concluded that the most important factors affecting the cutting quality are: alloy composition, microstructure of the material, surface quality, surface roughness, surface treatment, Beam reflection, thermal conductivity, melting point, thermal melting, vaporization temperature.
Alloy composition Alloy composition affects the strength, specific gravity, weldability, oxidation resistance, and acidity of the material to some extent. The higher the carbon content, the more difficult the material to cut (the critical value is 0.8% carbon).
The basic microstructure of the material In general, the finer the particles of the constituent material, the better the quality of the cutting edge.
Surface quality and roughness If the surface has a rusted area or an oxide layer, the cut profile will be irregular and there will be many breakage points. If you want to cut the corrugated plate, select the maximum thickness cutting parameter.
The most commonly used surface treatments for surface treatment are galvanized, focused galvanized, painted, anodized or covered with laminated plastic film. Plates treated with zinc tend to have dross on the edges; for painted plates, the quality of the cut depends on the composition of the ingredients of the product being coated.
How the beam reflects the beam at the workpiece surface depends on the basic material, surface roughness and processing. Some aluminum alloys, copper, brass and stainless steel sheets have high reflectivity characteristics. When cutting these materials, special attention should be paid to adjusting the focus position.
Thermal conductivity welding requires low thermal conductivity materials and requires less power than high thermal conductivity materials.
Heat-affected zone laser flame cutting and laser melting cutting can cause material variation in the edge region of the cut material.
When processing low-carbon steel or anaerobic steel, the quenching of the heat-affected zone is reduced; for high-carbon steel (such as Ck60), the edge area will be hardened; for hard-rolled aluminum alloy, the heat affected zone is even more than Some are slightly more Microsoft.
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