Open Access

Enhancing Drilling Performance in Natural Fiber-Reinforced Biocomposites Using Taguchi Method for Sustainable Manufacturing

K. Raja, Department of Mechanical Engineering, K S R College of Technology, Tiruchengode, Namakkal, TN, India M. S. Senthil Kumar, Department of Mechanical Engineering, Builders Engineering College, Nathakadaiyur, Kangeyam, Tiruppur, TN, India A. Karthik, Department of Mechatronics Engineering, Akshaya College of Engineering and Technology, Coimbatore, TN, India L. Sampath Kumar physics.sampath@gmail.com
Department of Physics, Builders Engineering College, Nathakadaiyur, Kangeyam Taluk, Tiruppur, TN, India

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Abstract

The current research work focuses on optimizing drilling parameters for Sesbania rostrata fiber-reinforced polycaprolactone (PCL) biocomposites using the Taguchi method and ANOVA to improve hole quality, particularly to minimize delamination. The Taguchi L9 orthogonal array was employed with three factors: spindle speed (300, 750, and 1800 rpm), feed rate (0.05, 0.12, and 0.25 mm/rev), and drill size (4, 8, and 10 mm). The experimental results showed that drill size had the most significant effect on thrust force, with a contribution rate of 99.29%, whereas spindle speed primarily influenced delamination, contributing 67.65%. Optimal parameters were determined to be a spindle speed of 300 rpm, a feed rate of 0.25 mm/rev, and a drill size of 10 mm. These findings are significant for industries using biocomposites, offering sustainable solutions with enhanced machining performance.

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