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Simultaneous Optimization and Selection of Machining Parameters in Facing of Inconel-718


Affiliations
1 Dept. of Mechanical Engg., Sona College of Technology, Salem, India
2 Dept. of Production Engg., National Institute of Technology, Tiruchirapalli, India
     

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Selection of machining parameters is a very important task to the process planer to achieve desired surface roughness with minimum machining cost. Facing operation is an important and inevitable machining process for manufacture of aero space components like disks and blades. The cutting tool manufacturer's recommended cutting parameters are usually for turning operation and common for few materials and so adapting their turning conditions for facing process results in premature tool failure and poor surface finish. Based on the machining experience and earlier research results, uncoated tools performance are better than the coated tools and necessity to control the pollution dry machining are preferred. In this paper, the surface roughness and tool wear when facing Inconel 718 using uncoated carbide cutting tools have been investigated. The results show that the feed and cutting speed were the most influential factors on the surface roughness and flank wear. The optimum machining parameters are predicted for minimization of surface roughness and minimization of tool wear by simultaneously optimized. The predicted results have good agreements with experimental results.
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  • Simultaneous Optimization and Selection of Machining Parameters in Facing of Inconel-718

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Authors

J. S. Senthilkumaar
Dept. of Mechanical Engg., Sona College of Technology, Salem, India
P. Asokan
Dept. of Production Engg., National Institute of Technology, Tiruchirapalli, India
R. M. Arunachalam
Dept. of Mechanical Engg., Sona College of Technology, Salem, India

Abstract


Selection of machining parameters is a very important task to the process planer to achieve desired surface roughness with minimum machining cost. Facing operation is an important and inevitable machining process for manufacture of aero space components like disks and blades. The cutting tool manufacturer's recommended cutting parameters are usually for turning operation and common for few materials and so adapting their turning conditions for facing process results in premature tool failure and poor surface finish. Based on the machining experience and earlier research results, uncoated tools performance are better than the coated tools and necessity to control the pollution dry machining are preferred. In this paper, the surface roughness and tool wear when facing Inconel 718 using uncoated carbide cutting tools have been investigated. The results show that the feed and cutting speed were the most influential factors on the surface roughness and flank wear. The optimum machining parameters are predicted for minimization of surface roughness and minimization of tool wear by simultaneously optimized. The predicted results have good agreements with experimental results.