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工艺参数对钛合金超声振动铣削表面显微硬度的影响

武民 马利杰 王占奎 苏建修

武民,马利杰,王占奎, 等. 工艺参数对钛合金超声振动铣削表面显微硬度的影响[J]. 机械科学与技术,2020,39(10):1587-1592 doi: 10.13433/j.cnki.1003-8728.20190307
引用本文: 武民,马利杰,王占奎, 等. 工艺参数对钛合金超声振动铣削表面显微硬度的影响[J]. 机械科学与技术,2020,39(10):1587-1592 doi: 10.13433/j.cnki.1003-8728.20190307
Wu Min, Ma Lijie, Wang Zhankui, Su Jianxiu. Influence of Process Parameters on Microhardness of Machined Surface in Ultrasonic Vibration Milling of Titanium Alloy[J]. Mechanical Science and Technology for Aerospace Engineering, 2020, 39(10): 1587-1592. doi: 10.13433/j.cnki.1003-8728.20190307
Citation: Wu Min, Ma Lijie, Wang Zhankui, Su Jianxiu. Influence of Process Parameters on Microhardness of Machined Surface in Ultrasonic Vibration Milling of Titanium Alloy[J]. Mechanical Science and Technology for Aerospace Engineering, 2020, 39(10): 1587-1592. doi: 10.13433/j.cnki.1003-8728.20190307

工艺参数对钛合金超声振动铣削表面显微硬度的影响

doi: 10.13433/j.cnki.1003-8728.20190307
基金项目: 河南省高等学校重点科研项目(17A460014)资助
详细信息
    作者简介:

    武民(1988−),硕士研究生,研究方向为先进切削理论与技术,wwmm0518@163.com

    通讯作者:

    马利杰,教授,硕士生导师,博士,ma_lj@hist.edu.cn

  • 中图分类号: TG506.5

Influence of Process Parameters on Microhardness of Machined Surface in Ultrasonic Vibration Milling of Titanium Alloy

  • 摘要: 超声振动铣削是一种公认的先进切削技术,在难加工材料铣削方面具有独特的优势。然而超声振动铣削优势的发挥程度与工艺参数的选择密切相关。表面显微硬度是零件表面质量的重要衡量指标,直接影响到零件的耐磨性和使用性能。为了充分揭示超声振动铣削的工艺参数对表面显微硬度的影响规律,本文通过给工件施加超声振动的方式,开展了不同振动方向下的TC4钛合金超声振动侧铣平面试验,分析了振动方向、振幅、铣削参数对加工表面显微硬度的影响规律。结果表明:法向振动铣削得到的工件表面显微硬度大于切向和轴向振动;随着主轴转速的增加3个振动方向铣削后的表面显微硬度都呈现出上升的趋势。
  • 图  1  工件

    图  2  铣刀

    图  3  超声振动铣削的实现方式

    图  4  切向振动铣削示意图

    图  5  切向振动刀尖运动轨迹

    图  6  法向振动铣削示意图

    图  7  法向振动铣削运动轨迹

    图  8  轴向振动铣削示意图

    图  9  轴向振动铣削运动轨迹

    图  10  不同振动方向铣削表面显微硬度变化规律

    图  11  不同振动方向及转速铣削工件表面形貌(A = 3.5 μm,fz = 5 μm/z)

    表  1  TC4钛合金的物理力学特性

    密度相变温度拉伸强度屈服强度弹性模量
    4.5 g/cm3980~1000 °C932 MPa834 MPa114 MPa
    下载: 导出CSV

    表  2  超声振动铣削表面硬化试验参数表

    试验号主轴转速/
    (r·min−1)
    振幅/μm每齿进给量/
    (μm·z−1)
    进给速度/
    (mm·min−1)
    1 1000 3.5 10 40
    2 1500 3.5 6.67 40
    3 2000 3.5 5 40
    4 2500 3.5 4 40
    5 3000 3.5 3.33 40
    6 2000 2.3 6 48
    7 2000 2.8 6 48
    8 2000 3.5 6 48
    9 2000 4.7 6 48
    10 2000 5.4 6 48
    11 2000 3.5 2 16
    12 2000 3.5 4 32
    13 2000 3.5 6 48
    14 2000 3.5 8 64
    15 2000 3.5 10 80
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-08-05
  • 网络出版日期:  2020-10-12
  • 刊出日期:  2020-10-05

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