Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/132163
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Type: Book chapter
Title: Optimization of accuracy and surface finish of drilled holes in 350 mild steel
Author: Pramanik, A.
Basak, A.K.
Islam, M.N.
Dong, Y.
Debnath, S.
Vora, J.J.
Citation: Optimization of Manufacturing Processes, 2020 / Gupta, K., Gupta, M.K. (ed./s), Ch.3, pp.65-90
Publisher: Springer
Publisher Place: Cham, Switzerland
Issue Date: 2020
Series/Report no.: Springer Series in Advanced Manufacturing
ISBN: 3030196380
9783030196387
Editor: Gupta, K.
Gupta, M.K.
Statement of
Responsibility: 
A. Pramanik, A. K. Basak, M. N. Islam, Y. Dong, Sujan Debnath and Jay J. Vora
Abstract: This chapter presents analysis and optimization of machinability of Mild steel grade 350 while high speed drilling operation. Taguchi design of experiments (DoEs), analysis of variance (ANOVA) and other traditional methods were applied to optimize the input variables in order to minimise the circularity, cylindricity, diameter error and surface roughness of drilled holes. It was found that point angle was the highest contributor for the circularity, cylindricity and surface roughness of drilled holes. The circularity error was minimum at the low speed (584 rpm), low feed (0.15 mm/rev) and moderate point angle (125°). The cylindricity error of holes was minimised at the high speed (849 rpm), moderate feed (0.2 mm/rev) and moderate point angle (125°). The moderate speed, low feed and moderate point angle minimised surface roughness considerably. The interaction between speed and point angle had the maximum contribution to the diameter error of drilled holes. The diameter error was minimum at the moderate speed, low feed and moderate point angle.
Keywords: Technology & Engineering
Rights: © Springer Nature Switzerland AG 2020
DOI: 10.1007/978-3-030-19638-7_3
Published version: https://link.springer.com/book/10.1007/978-3-030-19638-7
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