Abstract
The goal of this research is to optimize the drilling parameters of point angle influence along with, cutting speed, and feed rate on aluminium alloy. Surface roughness (Ra), Thrust Force (Fz), Material removal rate (MRR), are the output parameters. Experiments were carried out utilising two different point angle drill bits in accordance with the Taguchi experimental design, based an L-9 orthogonal array was employed for this investigation. To optimize the output parameters, grey relational analysis (GRA) is used. The objective function of output parameters are Surface roughness and thrust force are considered to be ‘smaller the better,' whereas MRR is considered to be ‘larger the better.' It was found that drill bit's point angle, which not only reduces torque and thrust force but also improves hole dimensional quality. The research sets the door for future applications to choose the right tool based on a set of factors.
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