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高速超声振动铣削钛合金实验研究

韩雄 孙哲飞 耿大喜 张德远

韩雄,孙哲飞,耿大喜,等. 高速超声振动铣削钛合金实验研究[J]. 北京航空航天大学学报,2023,49(7):1707-1714 doi: 10.13700/j.bh.1001-5965.2021.0519
引用本文: 韩雄,孙哲飞,耿大喜,等. 高速超声振动铣削钛合金实验研究[J]. 北京航空航天大学学报,2023,49(7):1707-1714 doi: 10.13700/j.bh.1001-5965.2021.0519
HAN X,SUN Z F,GENG D X,et al. Experiment research on high-speed ultrasonic vibration milling of titanium alloy[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(7):1707-1714 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0519
Citation: HAN X,SUN Z F,GENG D X,et al. Experiment research on high-speed ultrasonic vibration milling of titanium alloy[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(7):1707-1714 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0519

高速超声振动铣削钛合金实验研究

doi: 10.13700/j.bh.1001-5965.2021.0519
详细信息
    通讯作者:

    E-mail:gengdx@ buaa.edu.cn

  • 中图分类号: V261.92

Experiment research on high-speed ultrasonic vibration milling of titanium alloy

More Information
  • 摘要:

    针对钛合金在普通铣削(CM)时因切削速度低而面临的切削力大、薄壁工件变形大、加工效率低、刀具磨损严重等问题,采用高速超声振动铣削(HUVM)方法加工钛合金,实验研究其加工表面质量和切削力。从运动学角度出发对HUVM方法进行运动学分析。搭建包括超声振动系统、加工系统及测量系统在内的高速超声振动铣削实验平台。采用单因素实验对比CM和HUVM这2种方法对钛合金加工切削力和表面质量的影响规律。研究结果表明:与CM加工相比,HUVM加工可以使切削力降低32.6%~35.3%。并且HUVM加工表面粗糙度虽略有增加,但是表面结构可以更加均匀;此外,HUVM加工表面残余应力均为压应力,其绝对值随着每齿进给量和切削速度的增大而降低,而CM加工表面残余应力为拉应力。

     

  • 图 1  HUVM加工过程示意图

    Figure 1.  Schematic of HUVM process

    图 2  铣刀4个刀齿运动轨迹

    Figure 2.  Motion trace of four cutter teeth

    图 3  实验装置

    Figure 3.  Experimental setup

    图 4  三向切削力信号

    Figure 4.  Three-way cutting force signal

    图 5  切削速度与平均切削力关系

    Figure 5.  Relationship between average cutting speed, feed force, and tangential force

    图 6  平均切削力与每齿进给量关系

    Figure 6.  Relationship between average feed force, tangential force and feed rate per tooth

    图 7  表面粗糙度与每齿进给量关系

    Figure 7.  Relationship between surface roughness and feed rate per tooth

    图 8  加工表面宏观形貌

    Figure 8.  Macro-morphology of machined surface

    图 9  加工表面微观形貌

    Figure 9.  Micro-morphology of machined surface

    图 10  表面粗糙度和切削速度关系

    Figure 10.  Relationship between surface roughness and cutting speed

    图 11  残余应力和每齿进给量关系(vf=80 m/min)

    Figure 11.  Relationship between residual stress and feed rate per tooth(vf=80 m/min)

    图 12  残余应力和切削速度关系(fz=0.015 mm/齿)

    Figure 12.  Relationship between residual stress and cutting speed ( fz=0.015 mm/齿)

    表  1  钛合金化学成分[13]

    Table  1.   Chemical composition of titanium alloy[13]

    元素AlVFeCNHOTi
    占比/%5.5~
    6.75
    3.5~
    4.5
    <0.25<0.08<0.05<0.01<0.2余量
    下载: 导出CSV

    表  2  实验参数设置

    Table  2.   Experimental parameter settings

    参数数值
    每齿进给量fz/(mm·齿−1)0.015,0.03,0.045,0.06,0.075,0.09,
    0.105,0.12,0.135
    切削速度v/(m·min−1)80,100,120,140,160
    径向切宽/mm0.2
    轴向切深/mm8
    铣削类型CM, HUVM
    振动频率/Hz17880
    振动幅值/μmA=15.8, B=13.6
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-09-16
  • 录用日期:  2021-11-05
  • 网络出版日期:  2022-01-18
  • 整期出版日期:  2023-07-31

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