Abstract
Abstract In this paper, experimental study on drilling of cenosphere reinforced epoxy composites was carried out to investigate drilling characteristic using tungsten carbide drill bits. The influence of drilling process variables, such as feed rate, drill diameter, % weight of reinforcement and spindle speed on Specific Cutting Coefficient (SCC) has been studied. The composite samples were prepared with varying concentration of cenosphere (filler) by varying the content from 10% to 60% in 25% increment in the epoxy resin matrix. The plan for the drilling experiments was based on full factorial design (FFD). The drilling characteristic was analyzed through mathematical equation based on Response Surface Methodology (RSM). The experimental investigation on drilling characteristic clearly revealed that the SCC decreases with an increase in the feed rate and % of fly ash cenosphere in epoxy resin matrix.
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