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考虑壁板单向压紧制孔瞬时回弹的压紧力优化

王威 王珉 陈文亮 徐庆贺 黄稳 蒋红宇

王威, 王珉, 陈文亮, 等 . 考虑壁板单向压紧制孔瞬时回弹的压紧力优化[J]. 北京航空航天大学学报, 2020, 46(1): 210-219. doi: 10.13700/j.bh.1001-5965.2019.0156
引用本文: 王威, 王珉, 陈文亮, 等 . 考虑壁板单向压紧制孔瞬时回弹的压紧力优化[J]. 北京航空航天大学学报, 2020, 46(1): 210-219. doi: 10.13700/j.bh.1001-5965.2019.0156
WANG Wei, WANG Min, CHEN Wenliang, et al. Optimization of pressing force considering instantaneous springback in skin-side pressed drilling[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 210-219. doi: 10.13700/j.bh.1001-5965.2019.0156(in Chinese)
Citation: WANG Wei, WANG Min, CHEN Wenliang, et al. Optimization of pressing force considering instantaneous springback in skin-side pressed drilling[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 210-219. doi: 10.13700/j.bh.1001-5965.2019.0156(in Chinese)

考虑壁板单向压紧制孔瞬时回弹的压紧力优化

doi: 10.13700/j.bh.1001-5965.2019.0156
详细信息
    作者简介:

    王威  男, 硕士研究生。主要研究方向:飞机自动化装配技术、数值分析与自动化仿真技术等

    王珉  男, 博士, 硕士生导师。主要研究方向:飞机自动化装配技术

    通讯作者:

    王珉. E-mail: wangm@nuaa.edu.cn

  • 中图分类号: V262.4

Optimization of pressing force considering instantaneous springback in skin-side pressed drilling

More Information
  • 摘要:

    飞机大部件对接自动化制孔采用蒙皮侧单向压紧制孔技术,而由于在常见的自动化制孔系统中叠层材料被钻透的瞬间产生瞬时回弹,对制孔设备和加工质量等方面造成严重的影响,针对该问题进行机身蒙皮侧制孔压紧力优化分析。通过有限元分析方法进行制孔过程的模拟仿真,根据不同环境下的回弹现象,确定压紧力优化分析方案,综合考虑接触间隙、瞬时回弹和制孔刚性的影响,进行多目标优化分析,从而得到最优的压紧力工艺参数。计算结果表明,在飞机常见框间对接段自动化钻孔中,采用轴向力为150 N的麻花钻时压紧力的最优解为314.54 N,采用轴向力为100 N的自动化一体钻时压紧力的最优解为362.73 N。通过现场试验,压紧力最优解满足生产要求,实际最优压紧力低于最优解不超过20 N,因此考虑不同加工环境等因素构建合理的工艺参数选定范围。

     

  • 图 1  制孔过程示意图

    Figure 1.  Schematic diagram of drilling process

    图 2  机身对接段制孔分析实例模型

    Figure 2.  An instance model of drilling analysis of fuselage docking belt

    图 3  电驱动和气压驱动仿真数据分析

    Figure 3.  Simulation data analysis of electric drive and pneumatic drive

    图 4  分析结果的响应值变化对比

    Figure 4.  Comparison of response values of analysis results

    图 5  弹性变形能对比

    Figure 5.  Comparison of elastic deformation energy

    图 6  接触间隙与瞬时回弹影响对比

    Figure 6.  Comparison of contact gap and instantaneous springback effect

    图 7  试验平台

    Figure 7.  Test platform

    表  1  零件材料属性

    Table  1.   Parts' material properties

    零件 弹性模量E/MPa 泊松比μ
    长桁 78 620 0.31
    带板 72 400 0.33
    预装配紧固件 210 000 0.33
    接头 71 030 0.33
    71 820 0.33
    蒙皮 72 400 0.33
    下载: 导出CSV

    表  2  分析方案的具体数据

    Table  2.   Specific data for analysis scheme

    总驱动力/N 制孔压紧力/N
    轴向力为150 N 轴向力为100 N
    250 100 150
    350 200 250
    450 300 350
    550 400 450
    600 450 500
    750 600 650
    900 750 800
    下载: 导出CSV

    表  3  分析结果的响应值数据

    Table  3.   Response value data of analysis results

    轴向力/ N 变量 不同总驱动力下的响应值
    250 N 350 N 450 N 550 N 600 N 750 N 900 N
    100 最大接触间隙/mm 0.012 29 0.008 88 0.008 06 0.007 57 0.007 13 0.006 88 0.006 66
    最大位移/mm 0.202 76 0.276 15 0.351 30 0.426 89 0.464 90 0.576 89 0.698 24
    最大应力/MPa 13.760 11 17.020 30 20.644 38 24.315 68 26.359 10 32.546 80 37.852 30
    回弹量/mm 0.086 29 0.083 88 0.083 24 0.082 71 0.082 62 0.082 57 0.082 52
    弹性变形能/mJ 15.077 72 22.186 64 29.345 37 36.536 90 40.145 80 50.972 51 62.066 76
    150 最大接触间隙/mm 0.034 89 0.020 36 0.015 19 0.013 06 0.012 63 0.011 85 0.011 28
    最大位移/mm 0.218 89 0.286 68 0.359 30 0.433 93 0.471 76 0.585 87 0.700 86
    最大应力/MPa 17.765 17 19.922 66 22.961 21 26.400 89 28.237 01 33.755 51 39.355 15
    回弹量/mm 0.139 06 0.130 58 0.127 39 0.125 99 0.125 53 0.124 64 0.123 99
    弹性变形能/mJ 20.966 45 31.261 66 41.890 20 52.640 29 58.032 72 74.226 01 90.571 33
    下载: 导出CSV
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  • 收稿日期:  2019-04-08
  • 录用日期:  2019-06-01
  • 刊出日期:  2020-01-20

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