Abstract
An experimental study has been performed on AISI 4340 steel in this paper. The influence of approach angle, feed rate, cutting speed and depth of cut has been on cutting forces and tool tip temperature has been experimentally investigated. Before conducting experiments on the AISI 4340 steel work-piece, the chemical composition test, microstructure test were performed and hardness of the work-piece was improved by heat treatment. A total of 64 experiments each by two different coated carbide inserts (PVD and CVD-coated) were conducted on AISI-4340 steel under different environmental conditions (dry and MQL machining). During the experiments, approach angle, cutting speed, feed rate are varied to four levels and the depth of cut is kept constant to investigate the effect of the same on the three cutting forces component and the temperature variations on the tool-tip. It is observed that the main cutting force was largest among the three cutting force components in case of AISI 4340 steel turning and MQL machining show beneficial effects compared to dry machining.
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Akash Saini is currently an Assistant Professor in the Department of Mechanical Engineering, Lovely Professional University, Punjab, India. He has received his M-Tech. degree from National Institute of Technology — Hamirpur, Himachal Pradesh, India, in 2012. His areas of interests include design, machining and optimizing its parameters, rapid prototyping techniques.
Suresh Dhiman completed Post Graduation (M.Tech.) in Production Engineering from Guru Nanak Dev Engineering College Ludhiana (Punjab) in 2001, and Ph.D in Mechanical Engineering from National Institute of Technology, Kurukshetra Haryana (India) in 2008. He is presently working as Assistant Professor, in Mechanical Engineering Department at NIT, Hamirpur (H.P) India. He has publications in international/national journals and conferences to his credit in the area of optimization of machining parameters, development and characterization of metal matrix composites and rapid prototyping techniques.
Rajesh Kumar Sharma is currently an Associate Professor in the Department of Mechanical Engineering, National Institute of Technology — Hamirpur, Himachal Pradesh, India. He has received his Ph.D. degree from Indian Institute of Technology — Delhi, India, in 2008. His areas of interests include noise control, design, manufacturing, and tribology.
Sunil Setia is currently an Assistant Professor in the Department of Mechanical Engineering, Lovely Professional University Phagwara Punjab, India. He has received his M.Tech. degree from National Institute of Technology-Hamirpur, India, in 2012. His areas of interests include, machining, rapid manufacturing and design.
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Saini, A., Dhiman, S., Sharma, R. et al. Experimental estimation and optimization of process parameters under minimum quantity lubrication and dry turning of AISI-4340 with different carbide inserts. J Mech Sci Technol 28, 2307–2318 (2014). https://doi.org/10.1007/s12206-014-0521-8
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DOI: https://doi.org/10.1007/s12206-014-0521-8