Research Progress on the Physical Mechanism of Minimum Quantity Lubrication Machining with Nano-biolubricants

doi:10.3901/JME.2024.09.286

Abstract

Abstract: As a green minimum quantity lubrication lubricant replacing mineral oil, nano-biolubricants have become the focus in academic and industrial circles. However, the physical mechanism of minimum quantity lubrication machining is still unclear, which makes it difficult to provide precise guidance and selection principles for industrial application. To address the aforementioned needs and technical issues, the components and physical properties of nano-biolubricants are reviewed. The influences of nano reinforcement phase, basic fluid, and additives on machining performance are revealed, and the dynamic behavior and dispersion mechanism of nano reinforcement phase in nano-biolubricants are elucidated. Secondly, the multi energy field atomization mechanism, flow field distribution in the cutting/grinding zone, and dynamic behavior of micro droplet infiltration are revealed, and a new type of minimum quantity lubrication supply and atomization devices are invented. Furthermore, the thermal physical mechanism of material removal in cutting/grinding processing is analyzed. Advanced multi field energized thermal damage suppression strategies are studied, and a minimum quantity lubrication machining system for nano-biolubricants is constructed. The results indicate that nano-biolubricants have significant effects in controlling heat source suppression and thermal dissipation characteristics, and multi field energized nano-biolubricants minimum quantity lubrication can be used as an alternative process for flooding machining. Compared with traditional flooding grinding technology, using intermittent groove textured grinding wheel to assist in minimum quantity lubrication grinding of single crystal nickel based superalloy DD5 with MWCNTs palm oil nano-biolubricants with a mass fraction of 2.5% can reduce the grinding force by 12%, the grinding temperature by 9%, and the surface roughness value by 6%. The development roadmap of nano-biolubricants is expected to provide technical support and theoretical guidance for the industrial and academic communities.

Key words: nano-biolubricants, minimum quantity lubrication, cutting, grinding, multi-field energizing, thermal damage

CLC Number:

TG506

WANG Xiaoming, LI Changhe, YANG Min, ZHANG Yanbin, LIU Mingzheng, GAO Teng, CUI Xin, WANG Dazhong, CAO Huajun, CHEN Yun, LIU Bo. Research Progress on the Physical Mechanism of Minimum Quantity Lubrication Machining with Nano-biolubricants[J]. Journal of Mechanical Engineering, 2024, 60(9): 286-322.

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