State-of-the-art on minimum quantity lubrication in green machining

Wang, Yu; Liu, Changfu

doi:10.1016/j.jclepro.2023.139613

Cited by 13 publications

(2 citation statements)

References 35 publications

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“…The traditional flooding lubrication method involves pouring a significant amount of cutting fluid (60 L/h) into the cutting zone to provide cooling, lubrication, chip removal, and rust prevention [8,9]. This method heavily relies on non-renewable resources like mineral oil, leading to the production of PM10 and PM2.5 suspended particles that pose risks to human health.…”

Section: Introductionmentioning

confidence: 99%

“…This method heavily relies on non-renewable resources like mineral oil, leading to the production of PM10 and PM2.5 suspended particles that pose risks to human health. Moreover, the cost of environmentally friendly post-processing of cutting fluid is high, indicating that this method does not align with the principles of green manufacturing [8,10]. Scholars have proposed various green lubrication processes, including solid lubrication, cryogenic cutting, and Minimum Quantity Lubrication (MQL).…”

Section: Introductionmentioning

confidence: 99%

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Investigation into the Heat Transfer Behavior of Electrostatic Atomization Minimum Quantity Lubrication (EMQL) during Grinding

He,

Jia,

Zhang

et al. 2024

Lubricants

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Electrostatic atomization minimum quantity lubrication (EMQL) technology has been developed to address the need for environmentally friendly, efficient, and low-damage grinding of challenging titanium alloy materials. EMQL leverages multiple physical fields to achieve precise atomization of micro-lubricants, enabling effective lubrication in high temperature, high pressure, and high-speed grinding environments through the use of electric traction. Notably, the applied electric field not only enhances atomization and lubrication capabilities of micro-lubricants but also significantly impacts heat transfer within the grinding zone. In order to explore the influence mechanism of external electric field on spatial heat transfer, this paper first comparatively analyzes the grinding heat under dry grinding, MQL, and EMQL conditions and explores the intensity of the effect of external electric field on the heat transfer behavior in the grinding zone. Furthermore, the COMSOL numerical calculation platform was used to establish an electric field-enhanced (EHD) heat transfer model, clarifying charged particles' migration rules between poles. By considering the electroviscous effect, the study reveals the evolution of heat transfer structures in the presence of an electric field and its impact on heat transfer mechanisms.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation into the Heat Transfer Behavior of Electrostatic Atomization Minimum Quantity Lubrication (EMQL) during Grinding

He,

Jia,

Zhang

et al. 2024

Lubricants

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Investigating the performance of the pressurized injection lubrication technique in the turning process

Elsadek

2024

Int J Adv Manuf Technol

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Efficient lubrication and cooling are crucial in machining operations to enhance tool life and workpiece quality. Sustainable methods like minimum quantity lubrication (MQL) and dry cutting often face limitations in cooling efficiency and chip evacuation, especially under high-speed conditions or when machining difficult-to-cut materials such as stainless steel. This study introduces the novel pressurized injection lubrication (PIL) technique designed to address these challenges by optimizing lubrication, cooling, and chip evacuation during the turning operations of stainless steel 304. Using flaxseed oil as the lubricant, the PIL system employs a 0.26 mm stream diameter at a pressure of 16 bar to provide the necessary cooling and lubrication to the cutting zone. Cutting temperature and surface roughness were selected as the primary responses. Experimental runs were designed using the Taguchi L9 method. Analysis of variance showed that the lubrication method significantly affected the cutting temperature, with a contribution percentage approaching 94%. The experimental results demonstrated that PIL reduced the cutting temperature by up to 55%, while MQL reduced it by about 48%, both compared to dry cutting at the highest utilized speed. The lubrication method was also found to be the most significant factor affecting surface roughness, with a contribution percentage of 72.8%. Experimentally, PIL improved surface roughness by a maximum of 16.2% compared to MQL. Additionally, PIL maintained low oil consumption (0.9 l/h) and energy usage (< 0.017 kWh). The cost-effective PIL setup, priced under 65 USD, underscores its potential as a sustainable and efficient alternative for machining processes. The system’s components are readily available, facilitating easy integration into existing metal-cutting machines. Finite element analysis (FEA) modeling was used to predict residual stresses under different lubrication methods. The FEA model indicated that PIL and MQL reduced residual stresses by about 81.2% and 76.6%, respectively, compared to dry cutting at a speed of 500 rpm. These findings suggest that PIL can significantly enhance machining performance and sustainability, offering a viable solution to modern manufacturing challenges.

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Investigation of Water-Based Hybrid Nanofluid on Tribological Performance in Minimum Quantity Lubrication Grinding of Nimonic-90 Superalloy

Attar,

Madarkar,

Ghosh

et al. 2024

J. of Materi Eng and Perform

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State-of-the-art on minimum quantity lubrication in green machining

Cited by 13 publications

References 35 publications

Investigation into the Heat Transfer Behavior of Electrostatic Atomization Minimum Quantity Lubrication (EMQL) during Grinding

Investigation into the Heat Transfer Behavior of Electrostatic Atomization Minimum Quantity Lubrication (EMQL) during Grinding

Investigating the performance of the pressurized injection lubrication technique in the turning process

Investigation of Water-Based Hybrid Nanofluid on Tribological Performance in Minimum Quantity Lubrication Grinding of Nimonic-90 Superalloy

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