砂轮磨切中表面活化剂对超声制备纳米雾化液性能的影响

中国机械工程

砂轮磨切中表面活化剂对超声制备纳米雾化液性能的影响

蒙臻1,2;崔智1;倪敬1,2;杨永丰1,2

1.杭州电子科技大学机械工程学院，杭州，310018
2.杭州电子科技大学浙江省船港机械装备技术研究重点试验室，杭州，310018

出版日期:2019-04-10 发布日期:2019-04-04
基金资助:
国家自然科学基金资助项目（51375129，51775153）

Effects of Surfactant on Performances of Atomized Nano Cutting Fluid after Ultrasonic Dispersion in Abrasive Cutting-grinding

MENG Zhen1,2;CUI Zhi1;NI Jing1,2;YANG Yongfeng1,2

1.School of Mechanical and Engineering,Hangzhou Dianzi University,Hangzhou,310018
2.Key Laboratory of Study on Machinery and Equipment Technology of Port in Zhejiang Province,Hangzhou Dianzi University,Hangzhou,310018

Online:2019-04-10 Published:2019-04-04

摘要/Abstract

摘要： 为了分析表面活化剂对超声制备纳米雾化液性能的影响，以砂轮磨切机为研究对象，分别进行了干切试验，以及高水基溶液、水基溶液+表面活化剂、水基溶液+石墨烯颗粒和水基溶液+表面活化剂+石墨烯颗粒4种润滑条件作用下的切割试验。试验结果表明：雾化液可有效减小磨切机切割力，而表面活化剂通过减小雾化液液滴润湿角(最大可减小24.9%)，可改善石墨烯颗粒在溶液中的分散度，使纳米雾化液更好地发挥润滑作用；相比高水基雾化液，添加表面活化剂的纳米雾化液可在切入阶段进一步减小35.4%的切向切割力和57.2%的径向切割力。

关键词: 砂轮磨切, 雾化液, 切割力, 润湿性, 频谱特性

Abstract: In order to analysis the effects of the surfactant on the performances of atomized nano liquids after ultrasonic preparation, by using grinding wheel cutting-grinding machine, a comparative cutting experiment was carried out with dry cutting, as well as the four different kind of atomized cutting fluids, high water-based fluid, water-based fluid + surfactant, water-based fluid + graphene particles and water-based fluid + surfactant + graphene particles respectively. The experimental results show that the atomized liquid may effectively reduce the grinding cutting forces and the surfactant played a better role in lubrication by reducing the atomized droplet wetting angle(maximum reduction of 24.9%) to improve the dispersion of graphene particles in cutting fluid. And compared with high water atomized liquid, surfactant may further reduce the tangential forces by 35.4% and the normal forces by 57.2% at the beginning of the cutting processes.

Key words: abrasive cutting-grinding； atomized liquid； grinding cutting force； wettability, spectrum characteristics

中图分类号:

TG594

蒙臻1,2;崔智1;倪敬1,2;杨永丰1,2. 砂轮磨切中表面活化剂对超声制备纳米雾化液性能的影响[J]. 中国机械工程.

MENG Zhen1,2;CUI Zhi1;NI Jing1,2;YANG Yongfeng1,2. Effects of Surfactant on Performances of Atomized Nano Cutting Fluid after Ultrasonic Dispersion in Abrasive Cutting-grinding[J]. China Mechanical Engineering.

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