Abstract—To obtain safe, environmental and economical benefits of machining, the research has been carrying out to reduce the use of cutting fluid during machining. One of the alternatives to dry and flooded machining is Minimum Quantity Lubrication from the point of cost, ecology and human health issues. This paper deals with the optimization of process parameters in turning of Titanium alloy (Ti-6Al-4V) under different machining conditions using Taguchi’s Robust Design Methodology on tool wear. The control factors selected are type of machining environment, cutting speed, feed rate, depth of cut and type of carbide tool material. From Analysis of Means, it is found MQL and uncoated tool shown in better performance on reduction of tool wear rate. From the Analysis of Variance (ANOVA), it is found that the cutting speed has more influence in optimizing the tool wear rate.
Index Terms—Turning, titanium alloy, carbide tool, Taguchi’s design methodology, tool wear, cutting fluids.
M. Venkata Ramana is with the Department of Automobile Engineering, VNR Vignana Jyothi Institute of Engg. & Technology, Hyderabad, India (e-mail: mandalavenki@gmail.com).
G. Krishna Mohan Rao is with the Department of Mechanical Engineering, JNTUH College of Engineering, Hyderabad, India.
D. Hanumantha Rao is with the Mathrusri Engineering College, Hyderabad, India
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Cite: M. Venkata Ramana, G. Krishna Mohan Rao, and D. Hanumantha Rao, "Optimization and Effect of Process Parameters on Tool Wear in Turning of Titanium Alloy under Different Machining Conditions," International Journal of Materials, Mechanics and Manufacturing vol. 2, no. 4, pp. 272-277, 2014.
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