Cutting Force Investigation in MQCL Hard Milling of Hardox 500 Steel Using Nano Cutting Fluid
Tran Minh Duc†, Tran Quyet Chien‡, Ngo Minh Tuan†, Tran The Long†,*, Tran Bao Ngoc†‡
†Department of Manufacturing Engineering, Faculty of Mechanical Engineering, Thai Nguyen University of Technology, Thai Nguyen, 250000, Vietnam
‡Mechanical workshop, Thai Nguyen University of Technology, Thai Nguyen, 250000, Vietnam
†‡Faculty of Automotive and Power Machinery Engineering, Thai Nguyen University of Technology, Thai Nguyen, 250000, Vietnam
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Minimum Quantity Cooling Lubrication (MQCL) using nano cutting oil, called NFMQCL, has been a novel solution to bring out the superior cooling and lubricating performance, which is begun to use in machining difficult-to-cut materials. This work aims to investigate the cutting force components in hard milling of Hardox 500 steel with coated carbide tools under MQCL conditions using Al2O3 nano cutting oil. The effects of the nanoparticle concentration, cutting speed and feed rate on the cutting forces Fx, Fy, Fz were evaluated by Analysis of variance (ANOVA) to bring out technical guides for further studies and application. The obtained resuls revealed that the improvement of machinability due to superior cooling lubrication created by NFMQCL environment. The optimal set of input parameters was determined through multi-objective optimization.