Abstract
AbstractPlasma arc cutting process is one of the non-conventional machining processes, which is used in the metal cutting industries along with the other cutting technologies. When compared with the other cutting processes, plasma arc cutting (PAC) process is quite cheaper and applied in cutting thicker plates. Obtaining better surface quality and good geometrical size during this high-temperature cutting process is a challenging issue. The temperature produced by the plasma arc directly affects the geometrical characteristics of the work material. In this study, the effect of temperature on the geometrical characteristics of AISI 316 stainless steel during the plasma arc cutting process is investigated and studied. The input parameters selected for the study are cutting speed (CS), arc current (A) and gas flow rate (GFR). Response surface methodology (RSM) method is used to design the experimental runs, and a total of nine sets of experiments were performed, and the responses of kerf angle, parallelism, perpendicularity and circularity were measured, and the effect of temperature on these geometrical characteristics was studied. The measurement of the geometrical characteristics was performed using the coordinate measuring machine (CMM).KeywordsPlasma arc cutting (PAC)AISI 316 stainless steelResponse surface methodology (RSM)Coordinate measuring machine (CMM)
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