Performance Analysis of Turning Operation Par...

Performance Analysis of Turning Operation Parameters Empirically Nano Cutting Fluid

Author Name : N.Duraimurugan, J.Saravanan, A.Parthiban

ABSTRACT The aim of this study is to experimentally investigate the influence of speed, feed rate and depth of cut on surface roughness and cutting temperature in turning of martensitic stainless steel 420 grade using PVD coated cemented carbide insert in dry, coconut oil, multi walled carbon nano tubes dispersed in coconut oil condition. Inclusion of nano sized particles in lubricant significantly reduces the friction coefficient and increases the load-bearing capacity of the friction parts in mechanical systems. In this work 0.1 wt% of multi walled carbon nano tubes is dispersed in coconut oil by using ultra sonication during which 1 wt% of sodium dodecyl sulphate surfactant is added for stable and homogenous suspension. Properties like flash point, fire point, viscosity and thermal conductivity of the cutting fluid are tested and compared. Design of experiment is chosen as full factorial L27 to experimentally investigate the influence of speed, feed, and depth of cut on surface roughness and cutting temperature in turning of stainless steel in dry and coconut oil conditions. Since the cost of the nano cutting is high, so it have been utilized in Taguchi L9 orthogonal array.