Abstract
Nowadays the use of sustainable/environment friendly methods are rising in surface grinding process. In this work, the surface grinding of Ti-6Al-4V alloy with cubic boron nitride (CBN) grinding wheel under dry and minimum quantity lubrication (MQL) environment was performed. Experiments under MQL condition enhanced the overall grinding performance in terms of surface roughness and tangential cutting forces. Efficient lubrication under MQL environment due to presence of high anti-oxidation mono-saturated fatty acid percentage and lesser poly-saturated fatty acid percentage (easily oxidized) provides excellent lubrication and cooling action at the grinding zone in comparison to dry condition. Under dry grinding as the number of grinding passes increased from 2nd to 8th pass surface roughness increased by 166%. At higher grinding pass (8th) surface roughness decreased by 24% in contrast to 1st pass. Further, cutting force under dry grinding case with 8th pass got increased by 18% in contrast to MQL condition.
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