Abstract
Abstract This project defines there occurs a change in mathematical values of surface roughness (Ra, μm) and Kerf width (Kw, mm), while conducting experimentation of CO2 laser cutting on SS-304 Stainless steel using Nitrogen as assistance gas. The laser kerf width and cut edges quality was influenced by the process parameters like cutting speed (V), Assist gas pressure (p) laser power (P). The experiment was constructed and followed on the base of L27 orthogonal array. A predictive model is generated by using multiple regression analysis through ANOVA and implemented to find relative influence of process parameters on Kw and Ra.
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