Development of Models for Predicting Some Surface Responses in Oblique Metal Cutting Using Mild Steel and Coated Carbide

I. T. Okafor, J. O. Osarenmwinda and M. K. Onifade
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I. T. Okafor: Nigerian Naval Engineering College, Nigeria
J. O. Osarenmwinda: University of Benin, Nigeria
M. K. Onifade: Bells University of Technology, Nigeria

European Journal of Engineering and Technology Research, 2021, vol. 6, issue 3, 34-38

Abstract: Oblique metal cutting is a milling process which constitutes the work piece, tool piece, machine centre and the machinist or operator. This research has been able to obtain some responses such as tool life, and the surface roughness. Most machine elements fail due to some poor surface finish errors such as craters, waviness, flay and lay. Previous researchers have focused more on the absolute value of the surface roughness (Ra) and this cannot provide for all the errors encountered on surface texture. The primary aim of this research is to develop models that can predict the surface roughness of machine parts produced in oblique metal cutting above the absolute value of the average surface roughness and in turn provide a document or framework for machinist which can serve as a guide for machinist. The work has been able to determine a near perfect surface roughness for mild steel using coated carbide as tool piece as the models developed has minimized the effect of surface roughness at run 6, 6 and 8 for Ra, Rz and maximized TL in the values of 1.071408 micrometer, 2.668293 micrometer and 49837238 seconds respectively. Also. the analysis of variance performed has also shown that is proper to accept the analysis using a significance ? level of 0.05.

Keywords: Oblique; Surface Responses; Milling process; Box-Behnken (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:6:y:2021:i:3:id:62385

DOI: 10.24018/ejeng.2021.6.3.2385

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