Abstract
Friction stir drilling is a sheet metal hole-making technology that is the most cost-effective and high-production method for sheet metal fastenings. Fastening or attaching sheet metals, in particular, is widely employed in all manufacturing and industrial applications. However, due to the small structural steel gauge, these metal clasps should be seen as a major manufacturing issue. The effects of drilling settings on average temperature (T) and surface roughness (Ra) in friction stir drilling of Al-6061 with HSS and tungsten carbide drills were examined in this work. Three different drills and three distinct degrees of cutting parameters were used in the machining studies (feed rate, depth and cutting speed). Furthermore, it was demonstrated that increasing Ra machining with various drill tools by varying temperature, speed, and feed rate. The optimal surface roughness was calculated at various temperatures, and the correctness of the optimization was checked using grey rational analysis.
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