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Volume 4 Issue 4
Aug.  2022
Article Contents

Xu W H, Li C H,  Zhang Y B, Ali H M, Sharma, Li R Z, Yang M, Gao T, Liu M Z, Wang X M S. 2022. Electrostatic atomization minimum quantity lubrication machining: from mechanism to application. Int. J. Extrem. Manuf. 4 042003.
Citation: Xu W H, Li C H,  Zhang Y B, Ali H M, Sharma, Li R Z, Yang M, Gao T, Liu M Z, Wang X M S. 2022. Electrostatic atomization minimum quantity lubrication machining: from mechanism to application. Int. J. Extrem. Manuf. 042003.

Electrostatic atomization minimum quantity lubrication machining: from mechanism to application


doi: 10.1088/2631-7990/ac9652
More Information
  • Received Date: 2022-08-06
  • Rev Recd Date: 2022-09-28
  • Publish Date: 2022-10-13
  • Fund Project:

    This study was financially supported by the National Natural Science Foundation of China (Grant Nos. 51975305, 51905289, 52105457 and 52105264), National key Research and Development plan (2020YFB2010500), Key projects of Shandong Natural Science Foundation of China (Grant Nos. ZR2020KE027, ZR2020ME158 and ZR2021QE116), Major Science and technology innovation engineering projects of Shandong Province (Grant No. 2019JZZY020111), Source Innovation Project of Qingdao West Coast New Area (Grant Nos. 2020-97 and 2020-98).

  • Metal cutting fluids (MCFs) under flood conditions do not meet the urgent needs of reducing carbon emission. Biolubricant-based minimum quantity lubrication (MQL) is an effective alternative to flood lubrication. However, pneumatic atomization MQL has poor atomization properties, which is detrimental to occupational health. Therefore, electrostatic atomization MQL requires preliminary exploratory studies. However, systematic reviews are lacking in terms of capturing the current research status and development direction of this technology. This study aims to provide a comprehensive review and critical assessment of the existing understanding of electrostatic atomization MQL. This research can be used by scientists to gain insights into the action mechanism, theoretical basis, machining performance, and development direction of this technology. First, the critical equipment, eco-friendly atomization media (biolubricants), and empowering mechanisms of electrostatic atomization MQL are presented. Second, the advanced lubrication and heat transfer mechanisms of biolubricants are revealed by quantitatively comparing MQL with MCF-based wet machining. Third, the distinctive wetting and infiltration mechanisms of electrostatic atomization MQL, combined with its unique empowering mechanism and atomization method, are compared with those of pneumatic atomization MQL. Previous experiments have shown that electrostatic atomization MQL can reduce tool wear by 42.4% in metal cutting and improve the machined surface Ra by 47% compared with pneumatic atomization MQL. Finally, future development directions, including the improvement of the coordination parameters and equipment integration aspects, are proposed.

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Electrostatic atomization minimum quantity lubrication machining: from mechanism to application

doi: 10.1088/2631-7990/ac9652
  • 1 School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, People's Republic of China;
  • 2 State Key Laboratory of Ultra-Precision Machining Technology, Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong, People's Republic of China;
  • 3 Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;
  • 4 Department of Mechanical Engineering, IK Gujral Punjab Technical University, Punjab 144603, India;
  • 5 Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089-1111, United States of America;
  • 6 College of Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates;
  • 7 School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China;
  • 8 Hanergy (Qingdao) Lubrication Technology Co. LTD, Qingdao 266520, People's Republic of China
Fund Project:

This study was financially supported by the National Natural Science Foundation of China (Grant Nos. 51975305, 51905289, 52105457 and 52105264), National key Research and Development plan (2020YFB2010500), Key projects of Shandong Natural Science Foundation of China (Grant Nos. ZR2020KE027, ZR2020ME158 and ZR2021QE116), Major Science and technology innovation engineering projects of Shandong Province (Grant No. 2019JZZY020111), Source Innovation Project of Qingdao West Coast New Area (Grant Nos. 2020-97 and 2020-98).

Abstract: 

Metal cutting fluids (MCFs) under flood conditions do not meet the urgent needs of reducing carbon emission. Biolubricant-based minimum quantity lubrication (MQL) is an effective alternative to flood lubrication. However, pneumatic atomization MQL has poor atomization properties, which is detrimental to occupational health. Therefore, electrostatic atomization MQL requires preliminary exploratory studies. However, systematic reviews are lacking in terms of capturing the current research status and development direction of this technology. This study aims to provide a comprehensive review and critical assessment of the existing understanding of electrostatic atomization MQL. This research can be used by scientists to gain insights into the action mechanism, theoretical basis, machining performance, and development direction of this technology. First, the critical equipment, eco-friendly atomization media (biolubricants), and empowering mechanisms of electrostatic atomization MQL are presented. Second, the advanced lubrication and heat transfer mechanisms of biolubricants are revealed by quantitatively comparing MQL with MCF-based wet machining. Third, the distinctive wetting and infiltration mechanisms of electrostatic atomization MQL, combined with its unique empowering mechanism and atomization method, are compared with those of pneumatic atomization MQL. Previous experiments have shown that electrostatic atomization MQL can reduce tool wear by 42.4% in metal cutting and improve the machined surface Ra by 47% compared with pneumatic atomization MQL. Finally, future development directions, including the improvement of the coordination parameters and equipment integration aspects, are proposed.

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