Hybrid cooling-lubrication strategies to improve surface topography and tool wear in sustainable turning of Al 7075-T6 alloy

Gupta, Munish Kumar; Mia, Mozammel; Singh, Gurraj; Pimenov, Danil Yurievich; Sarıkaya, Murat; Sharma, Vishal S.

doi:10.1007/s00170-018-2870-4

Cited by 133 publications

(42 citation statements)

References 34 publications

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“…In a while, modelling and optimization studies have been carried out and validated through confirmation tests respectively. Gupta et al [21] observed improved turning performance with Ranque-Hilsch vortex tube nitrogen minimum quantity lubrication when compared to dry cutting, nitrogen cooling and nitrogen minimum quantity lubrication respectively during turning of Al 7075-T6 alloy. Sarikaya and Gullu [22] applied Taguchi based Gray relational analysis and determined the optimum cutting conditions in terms of the type of coolant and MQL coolant flow rate and cutting velocity while turning of Haynes 25 superalloy.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation and modelling of MQL assisted turning process during machining of 15-5 PH stainless steel using response surface methodology

Sivaiah¹

2019

SN Appl. Sci.

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Built-up-edge formation is one of the problems in conventional (flood) machining of 15-5 precipitated hardened stainless steel (PH SS) which results in poor product quality. Further, concentration on stringent environmental conscious regulations has been increasing in metal cutting industries due to environmental pollution. The present work target is to address these problems using minimum quantity lubrication (MQL) machining technique. MQL machining technique is one of the promising techniques for the metal cutting industries because it satisfies the stringent environmental conscious regulations set for metal cutting industries in terms of usage and disposal of chemically contaminated emulsion based coolants. In the present work, studied the effect of MQL cooling, process parameters on turning performance characteristics and also established a relationship between the turning controllable process parameters and responses in the machining of 15-5 PH SS using response surface methodology (RSM) under MQL environment with tungsten carbide cutting insert. Spindle speed (v), feed rate (f), depth of cut (d) and MQL flow rate (Q) have been taken as MQL machining process parameters. Output turning performances considered were surface roughness (R a), tool flank wear (T w) and material removal rate respectively. Experiments were done based on the central composite design of RSM. From RSM analysis, it was noticed that developed mathematical models predicted the performance results close to the experimental results. Further, it was observed that surface roughness and tool wear reduced significantly with an increase in MQL flow rate respectively.

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Section: Introductionmentioning

confidence: 99%

Experimental investigation and modelling of MQL assisted turning process during machining of 15-5 PH stainless steel using response surface methodology

Sivaiah¹

2019

SN Appl. Sci.

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“…(iii) LN 2 machining prevents possible distortion of the workpiece due to the high temperature effect. Moreover, it was stated by Gupta et al [35] that due to the elevated temperature effect in dry cutting, the chips attached loosely to the surface were eliminated with LN 2 and this contributed towards improvement of the surface roughness. With LN 2 , although the roughness has improved to a certain level, its alliance with MQL has created a double effect, providing a better quality surface.…”

Section: Surface Roughnessmentioning

confidence: 99%

“…One of the reasons may be the additional heat absorption of LN 2 + MQL during the phase transition of the oil from solid to liquid and then perhaps to the gas [39]. Another reason could be that the cryogenic liquid cools the workpiece and tool surface, which prevents MQL oil drops from burning or evaporating away from the environment [35]. Lastly, while the need to cool the cutting zone with cryogenic was supplied, the MQL contributed in reducing friction by lubricating the contacting surfaces [38].…”

Section: Cutting Temperaturementioning

confidence: 99%

Ecological, economical and technological perspectives based sustainability assessment in hybrid-cooling assisted machining of Ti-6Al-4 V alloy

Gupta

Song

Liu

et al. 2020

Sustainable Materials and Technologies

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“…For that purpose, the composite desirability approach has been granted. Its details can be found in Reference [30][31][32]. The common desirability function is presented in Equation (6).…”

Section: Optimization Of Surface Roughness Parameters and Materials Rementioning

confidence: 99%

Investigations on Surface Roughness and Tool Wear Characteristics in Micro-Turning of Ti-6Al-4V Alloy

et al. 2020

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Micro-turning is a micro-mechanical cutting method used to produce small diameter cylindrical parts. Since the diameter of the part is usually small, it may be a little difficult to improve the surface quality by a second operation, such as grinding. Therefore, it is important to obtain the good surface finish in micro turning process using the ideal cutting parameters. Here, the multi-objective optimization of micro-turning process parameters such as cutting speed, feed rate and depth of cut were performed by response surface method (RSM). Two important machining indices, such as surface roughness and material removal rate, were simultaneously optimized in the micro-turning of a Ti6Al4V alloy. Further, the scanning electron microscope (SEM) analysis was done on the cutting tools. The overall results depict that the feed rate is the prominent factor that significantly affects the responses in micro-turning operation. Moreover, the SEM results confirmed that abrasion and crater wear mechanism were observed during the micro-turning of a Ti6Al4V alloy.

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Hybrid cooling-lubrication strategies to improve surface topography and tool wear in sustainable turning of Al 7075-T6 alloy

Cited by 133 publications

References 34 publications

Experimental investigation and modelling of MQL assisted turning process during machining of 15-5 PH stainless steel using response surface methodology

Experimental investigation and modelling of MQL assisted turning process during machining of 15-5 PH stainless steel using response surface methodology

Ecological, economical and technological perspectives based sustainability assessment in hybrid-cooling assisted machining of Ti-6Al-4 V alloy

Investigations on Surface Roughness and Tool Wear Characteristics in Micro-Turning of Ti-6Al-4V Alloy

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