为了使刀具在加工过程中能够更好地得到润滑和冷却，结合静电喷雾技术和微量润滑技术，提出一种静电喷雾微量润滑的绿色切削加工新技术，利用静电喷雾荷电液滴粒径小、表面张力降低、吸附性好以及离子空气流的特点，提高雾化切削液的润滑和冷却性能。首先，在建立静电喷雾微量润滑实验装置的基础上，开展切削液荷电雾化机理的研究，获得喷雾装置主控参数对切削液荷电、雾化性能的影响。其次，通过荷电切削液滴的沉积性、渗透性、传热性和雾化流场等研究，揭示静电喷雾微量润滑的润滑、冷却机理。最后，研究基于静电喷雾微量润滑的切削加工特点，对比传统浇注式润滑冷却和微量润滑下的切削加工技术，实验评价静电喷雾微量润滑的润滑性能和冷却性能，以及静电雾化切削液对切削环境空气质量的影响。通过本项目的研究，将实现一种新颖的静电喷雾微量润滑绿色切削技术，在一定程度上提高切削加工中切削液的润滑性能和冷却效率，并缓解雾化切削液对加工场所的空气污染。

In order to solve the problems of lubricating and cooling in cutting processing, a new green cutting technology of electrostatic spraying assisted minimal quantity lubrication is proposed. With the characteristic of smaller diameter and surface tension, better adsorbability and ionized air flow, this cutting technology can improve the property of lubricating and cooling in cutting processing. Firstly, through the establishment of equipment of electrostatic spraying assisted minimal quantity lubrication, the charging and atomization mechanism of cutting fluid are analyzed. Secondly, the adsorbability, penetrability, heat transmissibility and flow field of the charged droplets are researched to reveal the mechanism of lubricating and cooling of electrostatic spraying assisted minimal quantity lubrication. Finally, compared with the traditional pouring lubrication and minimal quantity lubrication, the cutting processing characteristics and the ambient air quality characteristics of electrostatic spraying assisted minimal quantity lubrication are studied. Through the research of this project, a novel lubrication process will be achieved, the performances of cutting lubricating and cooling will be improved, and health damage to workers will also be resolved at certain extent.