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2019 | OriginalPaper | Chapter

17. Parametric Optimization of Micro-electrical Discharge Drilling on Titanium

Authors : Siddhartha Kar, Promod Kumar Patowari

Published in: Advances in Micro and Nano Manufacturing and Surface Engineering

Publisher: Springer Singapore

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Abstract

This paper aims to perform an experimental study of drilling micro-holes on titanium grade 2 alloy using micro-electrical discharge machining (µEDM) process. Key process parameters such as capacitance, feed rate (FR) and tool rotation speed (TRS) are varied during machining. Machining time, diameter at entry and diameter at exit are the response measures evaluated to examine the effect of chosen process parameters on them. A Taguchi L-9 orthogonal array design of experiment has been employed to frame the parametric combination of the process parameters, based on which experiments are conducted. Furthermore, analysis of variance (ANOVA) is carried out to find significant process parameters. Deviation of 14.16, 0.03 and 2.14% is observed between the experimental and predicted results at optimum condition of machining time (10⁴ pF, 15 µm/s and 1000 rpm), diameter at entry (10² pF, 5 µm/s and 500 rpm) and diameter at exit (10² pF, 10 µm/s and 1500 rpm), respectively.

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previous chapter Machining of Borosilicate Glass Using Micro-End Milling

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Title: Parametric Optimization of Micro-electrical Discharge Drilling on Titanium
Authors: Siddhartha Kar
Promod Kumar Patowari
Publisher: Springer Singapore
Book: Advances in Micro and Nano Manufacturing and Surface Engineering
Print ISBN: 978-981-329-424-0

Electronic ISBN: 978-981-329-425-7

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-981-32-9425-7_17

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