Abstract
In this study, the biodegradable composite (unidirectional bamboo fiber/polylactic acid) was developed by means of film stacking technique in a hot compression molding setup. The drilling characteristic of the biodegradable composites was experimentally studied by varying different factors. The effect of three different input factors such as feed (8, 16, and 22.4 mm/min), speed (710, 1400, and 2000 rpm), and drill geometry (8-facet, dagger, and slot drill) on the drilling forces (thrust force and torque) was studied. The signals of drilling-induced forces were found to be different for the different drill geometries studied. The slot drill induces minimum forces (thrust force and torque) while making a hole in the composites among all drill geometries. The experimental results reveal that drilling-induced forces reduce at high spindle speed and low feed.
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More From: Journal of The Institution of Engineers (India): Series C
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