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Experimental Investigations on Machining Micro Alloy Steel (MAS 38MnSiVS5) Using K 20 Multi Coated Carbide Insert

An experimental investigation is carried out on machining Micro Alloy Steel (MAS). The cylindrical rods of diameter 60 mm and length 250 mm is machined using the medium duty lathe of 2 kW spindle power to study the machinability issues of MAS using K20 multi coated (TiN-TiCN-Al203-ZrCN) Carbide insert. The optimum cutting parameters have been identified by power consumed by main spindle, and average surface roughness of machined component. Results show at higher cutting speeds; good surface finish is obtained. It is concluded that, surface finish is directly proportionate to the cutting speed. Results provide some useful information.