Selection of optimal controllable factors for surface roughness in turning of titanium alloy using eco friendly cutting fluids

Surface finish plays a vital role in service components, to ensure a great reliability of sensitive aeronautical components, surface integrity of titanium alloys should be satisfied. Therefore, it is required to optimize process parameters like cutting speed, feed and depth of cut while machining of...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-12, Vol.455 (1), p.12010
Main Author: Ramana, M. Venkata
Format: Article
Language:English
Subjects:
Carbide cutting tools
Carbide tools
Component reliability
Cutting fluids
Cutting parameters
Cutting speed
Cutting tools
Feed rate
Minimal surfaces
Optimization
Orthogonal arrays
Process parameters
Rice bran oil
Robust design
Surface finish
Surface roughness
Titanium alloys
Titanium base alloys
Turning (machining)
Variance analysis
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Summary:Surface finish plays a vital role in service components, to ensure a great reliability of sensitive aeronautical components, surface integrity of titanium alloys should be satisfied. Therefore, it is required to optimize process parameters like cutting speed, feed and depth of cut while machining of titanium components for better surface finish. In this study, the optimization and effect of machining parameters on surface roughness in a turning operation is investigated by using the Taguchi's robust design methodology. The experimental studies are conducted under varying cutting speeds, feed rates and depths of cut. An orthogonal array, analysis of mean (AOM) and the analysis of variance (ANOVA) are employed to study the performance characteristics in the turning of commercial Ti-6Al-4V alloy using uncoated carbide cutting tool with karanja and rice bran oils are as coolants. The results observed that the feed rate is the most influential factor on the surface roughness for both karanja and rice bran oils. The minimal surface roughness value is observed for karanja oil than that of rice bran oil. The optimum process parameters found for karanja oil at a cutting speed of higher level, feed rate of lower level and depth of cut is of moderate level. Similarly, the optimum process parameters found for rice bran oil at a cutting speed of higher level, feed rate of lower level and depth of cut of higher level.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/455/1/012010