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Investigation of the Control Parameters in the Machining of Inconel 718 with a carbide tool using Taguchi methodology

Abhilash George, Abel Koshy, Ivan Sunit, Rijo Mathew, Amal Paulose


The main objective of proposed work is to determine the influence of controllable parameters on machining characteristics of Inconel-718 and to achieve the optimum parameters for efficient milling. The Taguchi methodology is adopted for the design of experiments and process optimization. The paper gives an understanding of the different controllable cutting parameters such as cutting velocity, feed rate and depth of cut. It discusses about the carbide tool being used to perform the experiment. Extensive study and analysis is performed on the resulting surface roughness of the workpiece. These results are thereby used to determine the S/N ratios and to plot the different graphs portraying the relationships between the S/N ratios and the process control parameters with respect to the surface roughness of Inconel-718.


Inconel-718; Taguchi; surface roughness; S/N ratio; control parameters

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Li A, Zhao J, Zheng G, et al. Machined Surface Roughness. Key Laboratory of High Efficiency and Clean Mechanical Manufacture. 2011; 10(2): 442–445p.

Çolak O. Investigation on Machining Performance of Inconel 718. J Mech Eng. 2012; 58(11): 683–690p.

Khan SA, Soo SL, Aspinwall DK, et al. Tool Wear/Life Evaluation When Finish Turning Inconel 718 using PCBN Tooling. Procedia CIRP. 2012; 1(10): 283–288p.

Fernandez D, Navas V, Sanda A, et al. Comparison of Machining Inconel 718 with Conventional and Sustainable Coolant. Science J. 2014; 10(1): 506–510p.

Yünlü L, Çolak O, Kurbanoğlu C. Taguchi DOE Analysis of Surface Integrity for High Pressure Jet Assisted Machining of Inconel 718. Procedia CIRP. 2014; 13(2): 333–338p.

Ramanujam R, Venkatesan K, Saxena V, et al. Modelling and Optimization of Cutting Parameters in Dry Turning of Inconel 718 Using Coated Carbide Inserts. Procedia Materials Science. 2014; 5(2): 2550–2559p.

Sugihara T, Enomoto T. High Speed Machining of Inconel 718 Focusing on Tool Surface Topography of CBN Tool. Procedia Manuf. 2015; 1(4): 675–682p.

Nayak BB, Mahapatra SS. Optimization of WEDM Process Parameters using Deep Cryo-Treated Inconel 718 as Work Material. Engineering Science and Technology. 2016; 19(1): 161–170p.

Xavior MA, Manohar M, Jeyapandiarajan P, et al. Tool Wear Assessment during Machining of Inconel 718. Procedia Eng. 2017; 174(13): 1000–1008p.

D’Addona DM, Raykar SJ, Narke MM. High Speed Machining of Inconel 718: Tool Wear and Surface Roughness Analysis. Procedia CIRP. 2017; 62(2): 269–274p.



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