Abstract
Nowadays, glass fibre reinforced plastics (GFRP) plays a vital role in many engineering applications as an alternative to various heavy exotic materials. However, the users of FRP are facing difficulties to machine it, because of fibre delamination, fibre pullout, short tool life, matrix debonding, burning and formation of powder like chips. This research work aims to find out the machinability in milling process of GFRP laminates manufactured by hand lay-up. A plan of experiments based on Taguchi was established and the milling was performed with prefixed cutting parameters. An analysis of variance (ANOVA) has been employed to investigate the effect of cutting parameters on specific cutting pressure and surface roughness. The objective is to evaluate the machinability of GFRP laminates in function of fibre orientation (15°,60° and 105°) and solid carbide end mill tools with 25°, 35° and 45° helix angle and to propose a new machinability index.
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