Modeling and Analysis of Effect of Cutting Parameters on Product Quality in Dry Turning Operation of Mild Steel using Carbide High Speed Steel Tool

Abstract

Material removal plays an important role in finishing part/components. Information about cutting forces during machining can be considered as an index to evaluate the machinability of a material while considering the amount of heat in the cutting area, tool wear, quality of machined surface and accuracy of the part. In the present study, an attempt has been made to investigate the effect of cutting parameters (cutting speed, feed rate and depth of cut) on cutting forces (feed force, thrust force) and surface roughness for turning of mild steel using high speed steel (HSS) and carbide tool. Experiments were conducted on a precision lathe (HMT) and the influence of cutting parameters was studied using analysis of variance (ANOVA) based on adjusted approach. The results showed that with increasing the depth of cut and feed for a given RPM, cutting force increases. With the same cutting speed and depth of cut, the force variation is significant in both high speed steel (HSS) and carbide tool. The minimum cutting force requirement for machining the component (theoretically) is almost same with that of experimental value obtained by dynamometer.