Investigation on machinability aspects of different hardened steels using coated ceramic tool

Abstract

Now-a-days, hardened high-surface steel parts are becoming increasingly important in newlinemany engineering applications because of the increasing challenge along with demand of newlinehigh precision parts to acquire peak performances and due to their excellent essential newlinequalities (high indentation resistance, high value of hardness to modulus of elasticity newlineratio, low ductility with high abrasiveness). To meet this demand, there is a need to newlineconsider the technological developments that are associated with cutting tool, tool newlinematerials, workpiece materials, machine tool, process conditions and the manufacturing newlineenvironment. Furthermore, machinability of hardened steels is of utmost importance newlinewhile establishing the technological feasibility and economic viability of manufacturing newlineprocess. In recent past, hard turning has been established as an effective and emerging newlinemetal cutting process of hard steels and is explored vigorously as a profitable alternative newlineto traditional cylindrical grinding which involves a series of costly and time-consuming newlineoperations. newline