The present article presents Taguchi based multi-response optimization for multi response during drilling of EN-24 steel under minimum quantity lubrication (MQL) condition. The Taguchi method is one of the most authoritative tool used in designing of the hole quality optimization. The intend of this paper is to explore the influence of cutting edge speed, drill feeding rate and effect of coating on drill tool upon the superficial integrity, thrusting force, and delamination factor during the procedure for drilling of EN-24 steel. The experiments were performed on the computer controlled vertical machining centre (VMC). The design of experiments (DOE) was based on L 27 Taguchi’s orthogonal array; the experiments were executed under minimum quantity lubrication used as mineral oil at a course rate of 60 ml/min. The selected machining parameters for drilling operation were spindle speed at 150, 350 and 550 rpm, drill feeding rate at 0.15 mm/rev, 0.25 mm/rev and 0.35 mm/rev and HSS (uncoated/coated with TiN and TiAlN) drills were used. The orthogonal array, the VIKOR-Entropy grade, and ANOVA were engaged to investigate for the prime machining parameter which optimizes the process. From the analysis of experimental consequences, it has been observed that the drill feeding rate is the most influencing parameter and the spindle rotating speed is the least impelling parameter. These results indicates the selection of optimal parameter for drilling of EN-24 steel without compromising the hole quality.
CITATION STYLE
Shaik, H., & Kakaravada, I. (2018). Optimization of thrust force, surface roughness and delamina-tion in drilling of EN-24 steel using taguchi based VIKOR-entropy method. International Journal of Innovative Technology and Exploring Engineering, 8(2), 3–8.
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