What question did this study set out to answer?

To evaluate the influence of minimum quantity lubrication, dry cutting, and wet flood cooling alongside varied cutting parameters on the machinability and environmental sustainability of turning AISI 4140 steel.

February 7, 2022Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering

Experimental and statistical investigation of the effects of MQL, dry and wet machining on machinability and sustainability in turning of AISI 4140 steel

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Authors

HGHüseyin GürbüzBatman University YGYunus Emre GönülaçarGazi University

Discussion

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Implication

Experimental study demonstrates reduced tool wear and cutting force using minimum quantity lubrication in AISI 4140 steel turning, indicating improved environmental and economic machining efficiency.

Key Points

To evaluate the influence of minimum quantity lubrication, dry cutting, and wet flood cooling alongside varied cutting parameters on the machinability and environmental sustainability of turning AISI 4140 steel.
Machined AISI 4140 steel under three cutting environments: dry, wet flood cooling, and minimum quantity lubrication (MQL).
Applied Taguchi orthogonal arrays, signal-to-noise ratios, analysis of variance (ANOVA), and linear/quadratic regression models to assess feed rate and cutting speed.
Utilized the Pugh matrix approach to benchmark environmental sustainability and cleaner production across the coolant techniques.
MQL reduced cutting tool wear by an average of 25% versus dry and 5% versus wet, main cutting force (Fc) by 15% versus dry and 2% versus wet, and surface roughness (Ra) by 44% versus dry and 9% versus wet.
ANOVA identified feed rate as the dominant control factor influencing cutting force and surface roughness, identifying optimal MQL parameters at 0.16 mm/rev feed rate and 125 m/min cutting speed.
Taguchi, linear, and quadratic predictive models estimated cutting force and surface roughness within a 3% deviation margin, while Pugh matrix analysis ranked MQL superior in sustainability.

Cite This Study

Gürbüz et al. (2022) studied this question.

synapsesocial.com/papers/6a72c192c1a24a6142dbe2b4 https://doi.org/10.1177/09544089221076243

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Implication

Experimental study demonstrates reduced tool wear and cutting force using minimum quantity lubrication in AISI 4140 steel turning, indicating improved environmental and economic machining efficiency.