Study on the Impact of Lubrication Strategies on Machining Performance and Tool Life

Application of effective lubrication methods is necessary for improving the tool life as well as machining performance. The relative effectiveness of three lubrication techniques in turning operation of mild steel using carbide tools was considered in this study: dry machining, flood cooling, and Minimum Quantity Lubrication (MQL). Performance parameters like material removal rate (MRR), cutting temperature, tool wear, and surface roughness were evaluated in controlled conditions. Comparing dry and flooding conditions with the results obtained from MQL, the latter was found to provide the most optimal thermal dissipation along with environmental friendliness and improving surface smoothness with a decrease in flank wear by as much as 28%. The research highlights the need for selecting the appropriate lubrication technique to enhance the sustainability and productivity of modern manufacturing