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Investigation into the effects of solid lubricant on the surface characteristics of some metals during orthogonal machining

Sunday J. Ojolo (Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria)
Olatunde Damisa (Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria)
Oluwatoyin Iyekolo (Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria)

Journal of Engineering, Design and Technology

ISSN: 1726-0531

Article publication date: 12 July 2011

Abstract

Purpose

The main purpose of this paper is to explore the use of solid lubricant during orthogonal machining of carbon steels. This is a pioneer work in Nigeria. Most works have been on oblique cutting using conventional oil as lubricants.

Design/methodology/approach

Different steels (low, medium and high carbon) were machined at different cutting conditions and tool geometries to determine the effects on surface characteristics while applying solid lubricant.

Findings

The results showed considerable improvement in the surface finish with the use of solid lubricant. There was also a decrease in surface roughness values as compared to wet machining.

Research limitations/implications

Further works on solid lubricant's effects on cutting force and residual stress could be done.

Practical implications

From the findings of this work, solid lubricant use can be advocated as a better alternative to conventional cutting fluid. It is easily recoverable from the chips after machining.

Originality/value

So far, in Nigeria, solid lubricant has not been exploited as coolant during machining. This paper will be a platform for other researches on solid lubricants as coolant during cutting/machining in Nigeria.

Keywords

Citation

Ojolo, S.J., Damisa, O. and Iyekolo, O. (2011), "Investigation into the effects of solid lubricant on the surface characteristics of some metals during orthogonal machining", Journal of Engineering, Design and Technology, Vol. 9 No. 2, pp. 130-142. https://doi.org/10.1108/17260531111151023

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited