Abstract
The Economics of metal cutting is mostly influenced by the cutting conditions. MQL (Minimum Quantity Lubrication) is a process used for high production of materials and perfect dimension ability which is used in turning operation. The problem that arises in dry machining is that it cannot remove heat effectively from the machine zone and leads to a poor surface finish of the workpiece. The present study aims to investigate the effect of MQL machining with different speed, feed, and depth of cut used in turning of EN47 chromium-vanadium steel material using an uncoated carbide tool. Taguchi L27 orthogonal array is used to minimize the total number of trails for obtaining surface roughness under two machining environments; dry and MQL. Experiment results give the effectiveness of MQL as compared with dry cutting conditions gives an enhanced surface finish of EN 47 steel material.
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