Comparative evaluation of soybean oil–based MQL flow rates and emulsion flood cooling strategy in high-speed face milling of Inconel 718

Okafor, Anthony Chukwujekwu; Nwoguh, Theodore Obumselu

doi:10.1007/s00170-020-05248-3

Cited by 35 publications

(8 citation statements)

References 29 publications

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“…NEBL could realize the low cost and sustainable development of industry while realizing the machining performance. By employing only tiny amount of NEBL with the flow rate of 10-100 mL/h [7,8], MQL can provide similar cooling and lubricating effects in comparison with traditional flood machining processes but with the unique advantages in terms of cost (because of a very small amount of coolant usage and large disposal saving), environmental protection (because plant oils are degradable), and human safety [9].…”

Section: Introductionmentioning

confidence: 99%

Nano-enhanced biolubricant in sustainable manufacturing: From processability to mechanisms

Zhang

et al. 2022

Friction

161

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To eliminate the negative effect of traditional metal-working fluids and achieve sustainable manufacturing, the usage of nano-enhanced biolubricant (NEBL) is widely researched in minimum quantify lubrication (MQL) machining. It’s improved tool wear and surface integrity have been preliminarily verified by experimental studies. The previous review papers also concluded the major influencing factors of processability including nano-enhancer and lubricant types, NEBL concentration, micro droplet size, and so on. Nevertheless, the complex action of NEBL, from preparation, atomization, infiltration to heat transfer and anti-friction, is indistinct which limits preparation of process specifications and popularity in factories. Especially in the complex machining process, in-depth understanding is difficult and meaningful. To fill this gap, this paper concentrates on the comprehensive quantitative assessment of processability based on tribological, thermal, and machined surface quality aspects for NEBL application in turning, milling, and grinding. Then it attempts to answer mechanisms systematically considering multi-factor influence of molecular structure, physicochemical properties, concentration, and dispersion. Firstly, this paper reveals advanced lubrication and heat transfer mechanisms of NEBL by quantitative comparison with biolubricant-based MQL machining. Secondly, the distinctive filmformation, atomization, and infiltration mechanisms of NEBL, as distinguished from metal-working fluid, are clarified combining with its unique molecular structure and physical properties. Furtherly, the process optimization strategy is concluded based on the synergistic relationship analysis among process variables, physicochemical properties, machining mechanisms, and performance of NEBL. Finally, the future development directions are put forward aiming at current performance limitations of NEBL, which requires improvement on preparation and jet methods respects. This paper will help scientists deeply understand effective mechanism, formulate process specifications, and find future development trend of this technology.

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Section: Introductionmentioning

confidence: 99%

Nano-enhanced biolubricant in sustainable manufacturing: From processability to mechanisms

Zhang

et al. 2022

Friction

161

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“…8. Maximum flank wear vs. machining time and resultant cutting force vs. machining pass from the 1st to final pass under cooling-lubrication strategies [24] Comprehensive review of the literature available on the use of the MQL technique during processing of difficult-to-cut materials can be found in [6]. In general, there are comparable results for MQL and flood conditions in terms of tool wear rate and tool life.…”

Section: Minimum Quantity Lubrication -Mqlmentioning

confidence: 99%

Review of new developments in machining of aerospace materials

Jemielniak¹

2021

Journal of Machine Engineering

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The paper presents an update of the recent literature on advances in machining of difficult to machine materials such as nickel and titanium-based alloys, and composites used in aeroengine and aerostructure applications. The review covers the following issues: advances in high-performance cooling techniques as cryogenic machining, minimum quantity lubrication, the combination of MQL and cryogenic cooling, and high-pressure lubricoolant supply and hybrid cutting processesvibration assisted machining (both low and high frequency), laser, plasma and EDM assisted machining. Examples of applications in industrial processes are also given.

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“…Zwiększenie szybkości przepływu MQL zmniejsza chropowatość powierzchni i zużycie narzędzia, tworząc wystarczający cienki film olejowy, ale jednocześnie prowadzi do wzrostu powinowactwa z wiórami i powstawania dużych narostów (rys. 5) [19].…”

Section: Smarowanie Minimalne -Mqlunclassified

“…5. Maximum flank wear vs. machining time and resultant cutting force vs. machining pass from the 1 st to final pass under cooling-lubrication strategies [19] Rys. 5.…”

Section: Smarowanie Minimalne -Mqlmentioning

confidence: 99%

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New developments in cooling techniques for machining superalloys

Jemielniak¹

2021

Mechanik

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The paper presents an update of the recent literature on advances in cooling techniques for machining of difficult to machine materials such as nickel and titanium-based alloys used in aero-engine and aerostructure applications. The review covers: cryogenic machining, minimum quantity lubrication, the combination of MQL and cryogenic cooling, and high-pressure lubricoolant supply. Examples of applications in industrial processes are also given.

show abstract

Comparative evaluation of soybean oil–based MQL flow rates and emulsion flood cooling strategy in high-speed face milling of Inconel 718

Cited by 35 publications

References 29 publications

Nano-enhanced biolubricant in sustainable manufacturing: From processability to mechanisms

Nano-enhanced biolubricant in sustainable manufacturing: From processability to mechanisms

Review of new developments in machining of aerospace materials

New developments in cooling techniques for machining superalloys

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