How to choose the flatness of the CNC plasma cutting machine: When choosing the thermal cutting method, a very common question is the slag on the cutting surface, which is the cutting flatness problem we are about to talk about. As far as the CNC plasma cutting machine is concerned, there is still a similar situation. At the same time, considering that the current CNC plasma cutting machine is mainly used for the cutting and processing of special raw materials such as stainless steel, its slag disposal is more difficult than that of the carbon plate. For processing companies or users who want to reduce secondary processing, how to reduce slag residue and improve the quality of cutting flatness is a question that many companies attach importance to.
The so-called flatness of the incision surface refers to the distance between the highest point and the lowest point on the incision surface of the measured part, and the distance between two parallel lines according to the direction of the incision plane inclination.
Generally speaking, there is a melting layer of about 0.25-3.80mm thick on the cut surface processed by CNC plasma cutting machine. The remaining chemical composition of the molten slag of this thickness is the same as that of the material itself, including the chemical composition of the cut surface. change. A fine weld can also be obtained by direct welding by cutting the surface.
When cutting stainless steel, because the heated area quickly passes the critical temperature of 649°C, chromium carbide will not separate along the grain boundary. Therefore, cutting stainless steel with plasma arc will not affect its corrosion resistance. In other words, the residual slag in the allowable size does not affect the physical properties of the cutting material, but only to reduce the thickness of the slag, it can be achieved by adjusting the working gas pressure of the CNC plasma cutting machine and the traveling speed of the cutting torch.
After mastering the above skills, you no longer have to worry about the phenomenon of slag hanging on your CNC plasma cutting machine when you use it.
(The article is organized and published by CNC plasma cutting machine http://, the content of the article is for reference only)
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