Abstract
The machining processes are plays a dominant role in metal forming technology. In recent days, nontraditional machining processes are playing essential role in metal and manufacturing industries. It is applied to machine the hard profiles and different operations with excellent quality characteristics. In this work, domex steel is machined through Plasma Arc Machining (PAM). In PAM process, the different input factors are utilized with various levels such as voltage, current and pulse on time. In PAM process, the various input factors have been considered such as arc current, cutting rate and gas flow rate. The surface roughness and their effect of process input factors have been discussed through variance and Pareto chart analysis.
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