International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE)

Monthly Journal for Mechanical and Civil Engineering

Volume2,November 2017,

Topic : Optimization of Cutting Parameters in Drilling of Epoxy Resin Composite Material using Taguchi’s Technique

Authors:B M Umeshgowda || Ravindra H V, Ugrasen G

Abstract:Drilling is one of the oldest and the most widely used of all machining processes, comprising about one-third of all metal- machining operations. Drilling of composite materials is an important and current topic in modern researches on manufacturing processes. Currently, the use of composite materials has increased in various areas of science and technology due to their special physical and mechanical properties such as high specific strength, stiffness and fatigue strength. The quality of the drilled hole depends on the factors such as speed, feed rate, tool geometry etc. The efficient and economical machining of the materials is required for the desired dimensions and surface finish. Taguchi technique is a powerful tool in experiment design and it provides a simple, efficient and systematic approach to optimization, quality and cost. The methodology is valuable when the design parameters are qualitative and discrete. Taguchi’s Orthogonal Array based on Robust design is one of the important techniques, which is used for optimization of input parameters of drilling. In this paper, an attempt has been made to optimize the drilling parameters using the Taguchi’s technique which is based on the Robust design. Experiments are carried out on machining the various % weight of Si3N4 in Epoxy Resin - Si3N4 Composite (ERC) materials, using the HSS tool for various cutting conditions. The input process parameters considered during experiments are viz, % weight of Si3N4, Speed, Feed, the diameter of a drill bit and machining time. The response variables measured for the analysis are surface roughness, delamination, circularity, cylindricity and tool wear. Analysis has been done through various steps like calculating degrees of freedom, physical layout and total response layout up to ANOVA. After the confirmation experiment, it was observed that optimized parameters have given best results, so these parameters can be used to achieve the good surface roughness, less delamination, better circularity, cylindricity and less tool wear than before..

Keywords: Taguchi’s technique, ANOVA, ERC, HSS.

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DOI: 01.1617/vol4/iss11/pid19862

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Meinhard Taher Schobeiri
Texas A & M University, USA.

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ISSN(Online): 2456-1290

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Thomson Reuters ID : q-6288-2016.
ORCiD Research ID : 0000-0001-9540-6799

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Journal Code : IJERMCE
Electronic ISSN : 2456-1290
Impact Factor : 3.8
Frequency : monthly
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