Plasma cutting is a manufacturing process is leading in developing in arc cutting process which is higher productivity and Good in quality. Nitrogen is used as a shielding gas in the PAC. The shielding gas can influence the cut strength, ductility, and toughness and corrosion resistance. The parameters are the most important factors affecting the quality, productivity and cost of cutting. Where the input parameters are Voltage, Cutting speed, Standoff distance and Output parameters are Material Removal Rate, Kerf width, Surface Roughness value (RA value). In this study the effects of different parameters on Kerf width, Surface Roughness value and MRR will be predictedn this study, 12mm plate thickness Hardox-400 has been cut by high tolerance plasma arc cutting machine and the unevenness of cutting has been investigated. According to the experimental results, it has been seen that burning of particulars and distribution amount were increased when the cutting was performed measured the speeds. Moreover, it has been noticed that the change the speed which affects the cutting width of plate also change the unevenness of plate with cutting speed. The aim is to see how the cutting system and speed affect material structure up to what depth, it was determined that the hardness from the outer surface to the core decreased, while the hardness near to the outer surface ted by the high temperature occurred during cutting increased.
Plasma arc cutting, Unevenness, Hardox-400, hardness
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