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钛合金薄壁件高速超声椭圆振动铣削机理和试验

张明亮 张德远 刘佳佳 高泽 韩雄

张明亮, 张德远, 刘佳佳, 等 . 钛合金薄壁件高速超声椭圆振动铣削机理和试验[J]. 北京航空航天大学学报, 2019, 45(8): 1606-1612. doi: 10.13700/j.bh.1001-5965.2018.0712
引用本文: 张明亮, 张德远, 刘佳佳, 等 . 钛合金薄壁件高速超声椭圆振动铣削机理和试验[J]. 北京航空航天大学学报, 2019, 45(8): 1606-1612. doi: 10.13700/j.bh.1001-5965.2018.0712
ZHANG Mingliang, ZHANG Deyuan, LIU Jiajia, et al. Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(8): 1606-1612. doi: 10.13700/j.bh.1001-5965.2018.0712(in Chinese)
Citation: ZHANG Mingliang, ZHANG Deyuan, LIU Jiajia, et al. Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(8): 1606-1612. doi: 10.13700/j.bh.1001-5965.2018.0712(in Chinese)

钛合金薄壁件高速超声椭圆振动铣削机理和试验

doi: 10.13700/j.bh.1001-5965.2018.0712
基金项目: 

国家自然科学基金 51475031

详细信息
    作者简介:

    张明亮  男, 博士研究生。主要研究方向:超声铣削、生物制造

    张德远  男, 博士, 教授, 博士生导师。主要研究方向:难加工材料高效加工技术、振动切削与功率超声技术

    通讯作者:

    张德远, E-mail: zhangdy@buaa.edu.cn

  • 中图分类号: V261

Mechanism and experiment of high-speed ultrasonic elliptical vibration milling of thin-walled titanium alloy parts

Funds: 

National Natural Science Foundation of China 51475031

More Information
  • 摘要:

    针对航空领域中钛合金薄壁件在铣削过程中存在加工精度差、加工效率低等问题,提出了钛合金薄壁件高速超声椭圆振动铣削的方法。首先,在铣削加工中引入高速超声振动切削理念,使切削刀具刀尖附加椭圆振动进行超声频断续切削,可改善加工质量且突破了超声振动加工对临界速度的限制。然后,分析了该方法的分离原理,采用独立研制的超声椭圆振动铣削刀柄装置针对钛合金薄壁件进行了切削试验。试验结果显示,高速超声椭圆振动铣削相较于普通铣削,切削力降低20%~30%,且已加工表面让刀量降幅20%~30%,表面缺陷减少,表面粗糙度降低。

     

  • 图 1  试验用工件坐标轴

    Figure 1.  Workpiece axis for experiment

    图 2  刀尖轨迹分离情况

    Figure 2.  Tool tip trajectory separation

    图 3  钛合金薄壁件高速超声椭圆振动铣削试验系统

    Figure 3.  High-speed ultrasonic elliptical vibration milling experiment system for thin-walled titanium alloy workpiece

    图 4  让刀量随切削速度变化曲线

    Figure 4.  Curves of relieving amount varying with cutting speed

    图 5  薄壁件切削让刀模型

    Figure 5.  Model of relieving amount for milling thin-walled workpiece

    图 6  切削力随切削速度变化曲线

    Figure 6.  Curves of cutting force varying with cutting speed

    图 7  表面粗糙度随切削速度变化曲线

    Figure 7.  Curves of surface roughness varying with cutting speed

    图 8  试验工件表面形貌

    Figure 8.  Surface topography of workpiece

    图 9  试验工件件微观形貌

    Figure 9.  Micro-topography of workpiece

    表  1  超声椭圆振动铣削实现振动参数

    Table  1.   Vibration parameters of ultrasonic elliptical vibration milling

    参数 数值
    频率f/Hz 17 880
    振幅A/μm 8.6
    振幅B/μm 7.8
    下载: 导出CSV

    表  2  加工参数

    Table  2.   Processing parameters

    参数 数值
    切削速度/(m·min-1) 100, 120, 140, 160, 180
    每齿进给量/mm 0.015
    切深/mm 5
    切宽/mm 0.2
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-12-02
  • 录用日期:  2019-01-18
  • 网络出版日期:  2019-08-20

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