Optimal machining conditions for turning Ti-6Al-4V using response surface methodology

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ID: 118626
2013
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Abstract
Machining titanium is one of ever-increasing magnitude problems due to its characteristics such as low thermal conductivity, modulus of elasticity and work hardening. The efficient titanium alloy machining involves a proper selection of process parameters to minimize the tangential force (F z) and surface roughness (R a). In the present work, the performance of PVD/TiAlN coated carbide inserts was investigated using response surface methodology (RSM) for turning Ti-6Al-4V. The effects of process parameters such as speed (v), feed (f), depth of cut (d) and back rake angle (γ y ) on F z and R a were investigated. The experimental plan used for four factors and three levels was designed based on face centered, central composite design (CCD). The experimental results indicated that F z increased with the increase in d, f and decreased with the increase in v and γ y , whereas R a decreased with the increase in v and γ y , and increased with d and v. The goodness of fit of the regression equations and model fits (R 2) for F z and R a were found to be 0.968 and 0.970, which demonstrated that it was an effective model. A confirmation test was also conducted in order to verify the correctness of the model.
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kosaraju2013advancesoptimal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Satyanarayana Kosaraju;Venu Gopal Anne;Satyanarayana Kosaraju;Venu Gopal Anne;
Journal advances in manufacturing
Year 2013
DOI
doi:10.1007/s40436-013-0047-9
URL
https://link.springer.com/article/10.1007/s40436-013-0047-9
Keywords
manufacturing control Machines Tools Processes Robotics Mechatronics nanotechnology and microengineering

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