Optimization and Investigation into the Effect of Cutting Conditions on Surface Roughness in Turning of Ti–6Al–4V Alloy under Different Machining Environments

Cutting fluids of various types are commonly employed to control the friction and heat during machining. The continuous application of cutting fluids is being avoided to reduce overall volume of cutting fluids, machining cost, environmental and health issues. To overcome these problems, minimum quan...

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Bibliographic Details
Published in:Journal for Manufacturing Science and Production 2015-05, Vol.15 (2), p.197-204
Main Authors: Venkata Ramana, M., Krishna Mohan Rao, G., Hanumantha Rao, D.
Format: Article
Language:English
Subjects:
81.20.Wk
carbide tools
cutting fluids
Cutting tools
Heat
Lubricants & lubrication
Mechanical engineering
Optimization
Solid lubricants
surface roughness
Taguchi’s design methodology
titanium alloy
Titanium alloys
turning
Variance analysis
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Summary:Cutting fluids of various types are commonly employed to control the friction and heat during machining. The continuous application of cutting fluids is being avoided to reduce overall volume of cutting fluids, machining cost, environmental and health issues. To overcome these problems, minimum quantity lubrication (MQL) machining has been chosen as an alternative approach. In the present work, experiments are conducted using Taguchi’s robust design methodology to find out the optimal cutting parameters for surface roughness under different machining environmental conditions and carbide tool materials. The results indicated that there is considerable improvement in the machining performance using MQL machining. Flooded machining, high cutting speed, low feed rate, low depth of cut and chemical vapour deposition (CVD) coated tool are found to be the optimum conditions to minimize surface roughness. From the analysis of variance (ANOVA), feed rate is the most influential factor that affects the surface roughness than cutting speed and depth of cut.
ISSN:2191-4184
0793-6648
2191-0375
DOI:10.1515/jmsp-2014-0019