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电火花深孔加工中螺旋电极对间隙流场影响研究

常皓 王文建 王昕妍 刘宇 张文超

常皓,王文建,王昕妍, 等. 电火花深孔加工中螺旋电极对间隙流场影响研究[J]. 机械科学与技术,2021,40(4):586-591 doi: 10.13433/j.cnki.1003-8728.20200081
引用本文: 常皓,王文建,王昕妍, 等. 电火花深孔加工中螺旋电极对间隙流场影响研究[J]. 机械科学与技术,2021,40(4):586-591 doi: 10.13433/j.cnki.1003-8728.20200081
CHANG Hao, WANG Wenjian, WANG Xinyan, LIU Yu, ZHANG Wenchao. Exploring Effect of Spiral Electrode on Gap Flow Field in Deep-hole Electrical Discharge Machining[J]. Mechanical Science and Technology for Aerospace Engineering, 2021, 40(4): 586-591. doi: 10.13433/j.cnki.1003-8728.20200081
Citation: CHANG Hao, WANG Wenjian, WANG Xinyan, LIU Yu, ZHANG Wenchao. Exploring Effect of Spiral Electrode on Gap Flow Field in Deep-hole Electrical Discharge Machining[J]. Mechanical Science and Technology for Aerospace Engineering, 2021, 40(4): 586-591. doi: 10.13433/j.cnki.1003-8728.20200081

电火花深孔加工中螺旋电极对间隙流场影响研究

doi: 10.13433/j.cnki.1003-8728.20200081
基金项目: 国家自然科学基金面上项目(51875074)、辽宁省自然科学基金指导计划项目(20180550425)及河南省科技厅科技攻关项目(212102210314)
详细信息
    作者简介:

    常皓(1994−),助教,硕士,研究方向为微细特种加工,计算流体力学理论与应用,changhaosc@163.com

    通讯作者:

    刘宇,教授,博士生导师,liuyu_ly12@126.com

  • 中图分类号: TG661

Exploring Effect of Spiral Electrode on Gap Flow Field in Deep-hole Electrical Discharge Machining

  • 摘要: 针对电火花深孔加工过程中排屑问题,提出采用螺旋电极改善加工间隙的流场环境。为探究螺旋电极的螺旋角和电极的旋转方向对排屑产生的影响,利用Fluent软件建立不同螺旋角电极下间隙流场的流体动力学模型,分析了螺旋电极不同螺旋角及不同旋转方向对间隙流场及电蚀产物运动的影响。结果表明,采用45°螺旋角的螺旋电极进行加工其排屑效果最好,螺旋电极正向旋转加工更有利于电蚀产物排出加工间隙。
  • 图  1  采用螺旋电极的电火花深孔加工电蚀产物运动过程

    图  2  间隙流场仿真模型

    图  3  圆柱电极对电蚀产物和间隙流场影响

    图  4  螺旋电极对电蚀产物和间隙流场影响

    图  5  在加工时间为0.01 s时电蚀产物在竖直方向的运动高度(正向旋转)

    图  6  加工时间0.01 s时刻电蚀产物在竖直方向微粒数量统计(正向旋转)

    图  7  在0.01 s内侧面间隙电蚀产物数量统计(正向旋转)

    图  8  加工时间0.01 s时刻电蚀产物在竖直方向的运动高度(反向旋转)

    图  9  加工时间0.01 s时刻电蚀产物在竖直方向微粒数量统计(反向旋转)

    图  10  在0.01 s内侧面间隙电蚀产物数量统计图(反向旋转)

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出版历程
  • 收稿日期:  2019-11-13
  • 网络出版日期:  2021-04-16
  • 刊出日期:  2021-04-16

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