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

Investigation into the effects of solid lubricant on the surface characteristics of some metals... 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Engineering, Design and Technology Emerald Publishing

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

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Publisher
Emerald Publishing
Copyright
Copyright © 2011 Emerald Group Publishing Limited. All rights reserved.
ISSN
1726-0531
DOI
10.1108/17260531111151023
Publisher site
See Article on Publisher Site

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.

Journal

Journal of Engineering, Design and TechnologyEmerald Publishing

Published: Jul 12, 2011

Keywords: Graphite; Machining; Surface roughness; Surface properties of materials; Nigeria

References

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