Machining Study of TI-6AL-4V Using PVD Coated TiAlN Inserts
DOI:
https://doi.org/10.51983/arme-2012.1.2.2298Keywords:
Ti6Al4V-alloy, PVD Coating, TiAlN tool, RSMAbstract
This paper deals with machining Ti6Al4V material. The experimental analysis was carried out using Response Surface Methodology (RSM). The detailed experiments under wet and dry conditions using the PVD coated TiAlN tools. In the present work the relationship of Ti6Al4V’s surface roughness and cutting forces with critical machining parameters and conditions, based on experimental input and output data, has been derived during the turning operation. It has been found through design of experiments technique that linear model is best fitted for predicting feed force and surface roughness under both dry and wet cutting environment. Linear model is also fitted for thrust force prediction during dry cutting. However under wet cutting condition a quadratic model is more suited for prediction of the thrust force. 2FI (2 Factor Interaction) model is found to be fitted for cutting force prediction under both the cutting environment.
References
Ramesh, S., L. Karunamoorthy, and K. Palanikumar, “Fuzzy Modeling and Analysis of Machining Parameters in Machining Titanium Alloy,” Materials and Manufacturing Processes, Vol.23, No.4, pp. 439-447, 2008.
Lutjering G, W.J., Titanium, Springer, Berlin, 2003.
Ramesh, S., L. Karunamoorthy, and K. Palanikumar, “Surface Roughness Analysis in Machining of Titanium Alloy,” Materials and Manufacturing Processes, Vol. 23, No.2, pp. 174-181, 2008.
Bouzakis, K.D., et al., “Application in milling of coated tools with rounded cutting edges after the film deposition,” CIRP Annals - Manufacturing Technology, Vol. 58, No.1, pp. 61-64, 2009.
Corduan, N., et al., “Wear Mechanisms of New Tool Materials for Ti- 6AI-4V High Performance Machining,” CIRP Annals - Manufacturing Technology, Vol.52, No.1, pp. 73-76, 2003.
Özel, T., et al., “Investigations on the effects of multi-layered coated inserts in machining Ti–6Al–4V alloy with experiments and finite element simulations,” CIRP Annals - Manufacturing Technology, Vol. 59,No.1, pp. 77-82, 2010. [7] Shaw, M.C., Metal Cutting Principles, Oxford University Press, Oxford, NY, 1984.
Mathew, J.D., Jr., Titanium: A Technical Guide. ASM International, 1988. for Steel-http://www.engineeringtoolbox.com/thermalconductivity- d_429.html
Sun, S., M. Brandt, and M.S. Dargusch, “Characteristics of cutting forces and chip formation in machining of titanium alloys,” International Journal of Machine Tools and Manufacture, Vol. 49, No.7-8, pp. 561-568, 2009.
Venugopal, K.A., S. Paul, and A.B. Chattopadhyay, “Growth of tool wear in turning of Ti-6Al-4V alloy under cryogenic cooling”, Wear, Vol. 262,No.9-10, pp. 1071-1078, 2007.
Hong, S.Y., Y. Ding, and W.-c. Jeong, “Friction and cutting forces in cryogenic machining of Ti–6Al–4V,” International Journal of Machine Tools and Manufacture, Vol. 41, No. 15, pp.2271-2285, 2001.
Jawaid, A., S. Sharif, and S. Koksal, “Evaluation of wear mechanisms of coated carbide tools when face milling titanium alloy,” Journal of Materials Processing Technology, Vol.99, No.1-3, pp. 266-274, 2000.
Nalbant, M., et al., “The experimental investigation of the effects of uncoated, PVD- and CVD-coated cemented carbide inserts and cutting parameters on surface roughness in CNC turning and its prediction using artificial neural networks,” Robotics and Computer- Integrated Manufacturing, Vol. 25, No.1, pp. 211-223, 2009.
Yuan, S.M., et al., “Effects of cooling air temperature on cryogenic machining of Ti–6Al–4V alloy,” Journal of Materials Processing Technology, Vol. 211, No.3, pp. 356-362, 2011.
Fang, N. and Q. Wu, “A comparative study of the cutting forces in high speed machining of Ti-6Al-4V and Inconel 718 with a round cutting edge tool,” Journal of Materials Processing Technology, Vol. 209, No.9, pp. 4385-4389, 2009. [16] Bermingham, M.J., et al., “New observations on tool life, cutting forces and chip morphology in cryogenic machining Ti-6Al-4V,” International Journal of Machine Tools and Manufacture, Vol. 51, No.6, pp. 500-511, 2011.
Chemical Composition ASTM B348 Grade 5. http://www.smithshp. com/downloads/Ti-6Al-4V%20_Grade%205_SHP%20.pdf.
Montogomery, D.C., Design and Analysis of Experiments, 5th ed, John Wiley & Sons Inc, 2001.
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