Environmental, economical and technological Analysis of MQL assisted machining of Al-Mg-Zr Alloy using PCD tool

Karim, Md. Rezaul and Tariq, Juariya Binte and Morshed, Shah Murtoza and Shawon, Sabbir Hossain and Hasan, Abir and Prakash, Chander and Singh, Sunpreet and Kumar, Raman and Nirsanametla, Yadaiah and Pruncu, Catalin I. (2021) Environmental, economical and technological Analysis of MQL assisted machining of Al-Mg-Zr Alloy using PCD tool. Sustainability, 13 (13). 7321. ISSN 2071-1050

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    Abstract

    Clean technological machining operations can improve traditional methods’ environmental, economic, and technical viability, resulting in sustainability, compatibility, and human-centered machining. This, this work focuses on sustainable machining of Al-Mg-Zr alloy with minimum quantity lubricant (MQL)-assisted machining using a polycrystalline diamond (PCD) tool. The effect of various process parameters on the surface roughness and cutting temperature were analyzed. The Taguchi L 25 orthogonal array-based experimental design has been utilized. Experiments have been carried out in the MQL environment, and pressure was maintained at 8 bar. The multiple responses were optimized using desirability function analysis (DFA). Analysis of variance (ANOVA) shows that cutting speed and depth of cut are the most prominent factors for surface roughness and cutting temperature. Therefore, the DFA suggested that, to attain reasonable response values, a lower to moderate value of depth of cut, cutting speed and feed rate are appreciable. An artificial neural network (ANN) model with four different learning algorithms was used to predict the surface roughness and temperature. Apart from this, to address the sustainability aspect, life cycle assessment (LCA) of MQL-assisted and dry machining has been carried out. Energy consumption, CO 2 emissions, and processing time have been determined for MQL-assisted and dry machining. The results showed that MQL-machining required a very nominal amount of cutting fluid, which produced a smaller carbon footprint. Moreover, very little energy consumption is required in MQL-machining to achieve high material removal and very low tool change.

    ORCID iDs

    Karim, Md. Rezaul, Tariq, Juariya Binte, Morshed, Shah Murtoza, Shawon, Sabbir Hossain, Hasan, Abir, Prakash, Chander, Singh, Sunpreet, Kumar, Raman, Nirsanametla, Yadaiah and Pruncu, Catalin I. ORCID logoORCID: https://orcid.org/0000-0002-4926-2189;