Abstract

Abstract Components made up of composite materials are usually assembled by riveted or bolted joints. As a result, one of the most frequently utilized machining operations on composite laminates is drilling. Various parameters were identified that affect the material deformation, such as delamination and fuzzing while working with composites. In this experimentation work, the effect of these parameters on the drilling operation was investigated for Kevlar laminates with 200 GSM thickness and using solid carbide drill bits of o4 mm, o5 mm and o6 mm, while focusing on the measurement of the maximum delamination of the laminate for various values of cutting speed and feed rate. The delamination caused during drilling was observed and studied, and also the degree of delamination was noted. In such a manner, the delamination effect and drilling parameters, which cause the minimum delamination, were identified. The results were analysed by using two factor ANOVA without replication

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