The famous American quality management scientist said that the 20th century is the century of productivity, the 21st century is the century of quality, and quality is the most effective weapon for occupying the market peacefully. The industry of cutting machines is very useful in such evaluations. Details:/
For example, when we cut and process magnesium alloys containing magnesium, if the magnesium metal content is 5%, the magnesium content in the composition will remain unchanged after the residue analysis of the residue, even if the residual thickness of the residue reaches 0.25mm, it is not Oxides.
For the portable CNC cutting machine, the similar slag problem still exists. This is for some fine processing companies or users who wish to reduce the secondary processing, how to reduce the residue of slag and improve the quality of cutting flatness, I believe it is good Many business concerns. However, one of the major problems in plasma cutting is the treatment of the surface slag. Taking into account the physical characteristics of stainless steel in the material, the slag is more difficult to remove than the general carbon slag, even after cutting. By tapping and other methods, this imposes higher requirements on the technical processing in the plasma cutting process. When cutting stainless steel, chromium carbide does not precipitate along grain boundaries because the hot zone quickly passes a critical temperature of 649°C. In other words, the slag residue in the acceptable range does not affect the physical properties of the cutting material, just to reduce the slag thickness, by adjusting the working gas pressure of the CNC plasma cutting machine and the torch walking speed can be achieved. Therefore, cutting stainless steel with a plasma arc does not affect its resistance to corrosion.
In general, about 0.25~3.80mm thick melted layer is formed on the cutting surface after processing with a portable numerically controlled cutting machine. The residual slag chemical composition of this thickness is consistent with the material itself, and the chemical composition of the cut surface is not changed. . If the cutting surface is directly welded, dense welds can also be obtained. At present, the stainless steel cutting process in the domestic market is mainly based on plasma cutting, because of its low processing costs, cutting speed, stainless steel plasma cutting is widely used in sheet metal processing, auto parts manufacturing, advertising industries.
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Editor: zgqgjjywzhd
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