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Investigations on Machinability Characteristics of Hardened AISI H13 Steel With Multilayer Coated Carbide Tool Using Statistical Techniques
Abstract
Hard turning with multilayer coated carbide tool has several benefits over grinding process such as, reduction of processing cost and increased productivity. The objective was to establish a correlation between cutting parameters with cutting force, tool wear and surface roughness on workpiece. In the present study, machinability of AISI H13 steel with TiC/TiCN/Al2O3 coated carbide tool using statistical techniques. An attempt has been made to analyze the effects of process parameters on machinability aspects using design of experiments. Response surface plots are generated for the study of interaction effects of cutting conditions on machinability factors. The obtained results revealed that, the optimal combination of low feed rate and low depth of cut with high cutting speed is beneficial for reducing machining force. The cutting tool wears increases almost linearly with increase in cutting speed and feed rate. The combination of low feed rate and high cutting speed is necessary for minimizing the surface roughness.
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