吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (3): 837-843.doi: 10.13229/j.cnki.jdxbgxb201703020

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介观尺度下磨料浓度对磨粒流加工质量的影响

李俊烨1, 2, 乔泽民1, 杨兆军2, 张心明1   

  1. 1.长春理工大学 机电工程学院,长春 130022;
    2.吉林大学 机械科学与工程学院,长春 130022
  • 收稿日期:2016-04-21 出版日期:2017-05-20 发布日期:2017-05-20
  • 通讯作者: 张心明(1967-),男,研究员,博士生导师.研究方向:精密超精密加工,检测及装备.E-mail:zxm@cust.edu.cn
  • 作者简介:李俊烨(1981-),男,副教授,博士.研究方向:精密与超精密加工,微摩擦与多相流技术.E-mail:ljy@cust.edu.cn
  • 基金资助:
    国家自然科学基金项目(51206011); 吉林省科技发展计划项目(20160101270JC,20170204064GX); 吉林省教育厅项目(吉教科合字[2016]第386号)

Influence of abrasive concentration on processing quality of abrasive flow in mesoscopic scale

LI Jun-ye1, 2, QIAO Ze-min1, YANG Zhao-jun2, ZHANG Xin-ming1   

  1. 1.College of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun 130022,China;
    2.College of Mechanical Science and Engineering, Jilin Universty, Changchun 130022, China
  • Received:2016-04-21 Online:2017-05-20 Published:2017-05-20

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摘要： 选择介观尺度下的粒子作为研究对象,通过设定介观尺度下的磨粒和工件磨削参数,进行了不同磨料浓度对磨粒流加工质量影响的仿真分析和试验研究。从数值模拟和试验研究结果可知:随着磨料浓度的增大,动压力和湍流动能升高,磨削效果增强;试验后的工件经过变焦非接触三维形貌测量和扫描电镜测试也得到了相同的结论,即随着磨料浓度的增大,经过固液两相磨粒流加工后的工件表面粗糙度逐渐降低,小孔质量和工件的使用性能得到提升,工件表面质量提高。

关键词: 机械制造工艺与装备, 介观尺度, 磨料浓度, 仿真分析

Abstract: Simulation analysis and experiments are performed to investigate the influence of the concentration of abrasive particles on the processing quality of abrasive flow in mesoscopic scale. Both analysis and experimental results show that with the increase in abrasive concentration, the dynamic pressure and turbulent kinetic energy increase, and the grinding effect is enhanced. The shapes of grinded workpieces are measured by zoom non-contact 3D measurement and scanned by SEM, and the results are similar to that of simulation. In other words, with the increase in abrasive concentration, the workpiece roughness decreases, the hole quality and workpiece performance are improved, the workpiece surface quality is enhanced.

Key words: machinery manufacturing technology and equipment, mesoscopic scale, abrasive concentration, simulation analysis

中图分类号: 

  • TH161.1
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