Optics and Precision Engineering, Volume. 32, Issue 12, 1879(2024)

Rapid optimization design of closed rectangular hydrostatic air flotation guideway

Wei HU... Jizhu LIU*, Tao LI, Feiyu CHEN and Liguo CHEN |Show fewer author(s)
Author Affiliations
  • Faculty of Mechatronic Engineering, Soochow University, Suzhou215006, China
  • show less
    Figures & Tables(19)
    Structure parameters of aerostatic guideway
    Schematic diagram of grid division
    Mesh irrelevance verification curve plot
    Pressure cloud at the upper air film surface for different end throttle holes to the end distance of the air float surface
    Effect of distance from end throttle orifice to end of air floatation surface on bearing capacity, stiffness and air consumption
    Pressure cloud at the upper air film surface with different numbers of throttle orifices
    Effect of number of throttling holes on load carrying capacity and stiffness
    Effect of air cavity size on load carrying capacity, stiffness and air consumption
    Effect of throttle orifice size on bearing capacity, stiffness and air consumption
    Experimental setup
    Comparison of finite element simulation and experimental test results
    • Table 1. Dimensions of each air film surface of hydrostatic air flotation guideway

      View table
      View in Article

      Table 1. Dimensions of each air film surface of hydrostatic air flotation guideway

      名称LL1L2Bb
      上气浮面24015303015
      侧气浮面24015302010
      下气浮面24015302010
    • Table 2. Calculated parameters of air film

      View table
      View in Article

      Table 2. Calculated parameters of air film

      参数名称及单位数值大小
      入口压力PS/Pa250 000
      出口压力Pa/Pa101 325
      平均气膜厚度h/mm0.015
      气腔直径d2/mm3
      气腔高度h2/mm0.05
      节流孔高度h1/mm0.5
      节流孔直径d1/mm0.3
    • Table 3. Solution setup

      View table
      View in Article

      Table 3. Solution setup

      求解选项稳态与瞬态层流与紊流是否可压缩求解算法绝热与不绝热
      设置稳态紊流可压缩SIMPLEC绝热
    • Table 4. Numerical magnitude of throttle orifice distribution locations

      View table
      View in Article

      Table 4. Numerical magnitude of throttle orifice distribution locations

      参数数值大小/mm
      L14.5811.51518.522
      L2333231302928
    • Table 5. Factor levels

      View table
      View in Article

      Table 5. Factor levels

      因素水平
      -101
      A气腔直径/mm135
      B气腔高度/mm0.030.050.07
      C节流孔直径/mm0.20.30.4
      D节流孔高度/mm0.30.50.7
    • Table 6. BBD experimental design data

      View table
      View in Article

      Table 6. BBD experimental design data

      序号ABCD承载力/N刚度/(Nμm-1耗气量/ (gs-1
      110.030.30.5474.68237.567 20.153 568
      250.030.30.5595.16676.552 80.218 822
      310.070.30.5502.02722.862 40.170 833
      450.070.30.5643.15263.902 40.264 65
      530.050.20.3505.64271.6160.163 607
      630.050.40.3602.83235.839 20.245 516
      730.050.20.7498.81174.131 20.156 483
      830.050.40.7604.2135.176 80.247 363
      910.050.30.3492.34127.892 80.163 277
      1050.050.30.3628.46969.458 40.249 043
      1110.050.30.7493.0927.278 40.164 911
      1250.050.30.7627.44669.518 40.246 942
      1330.030.20.5468.44272.424 80.142 874
      1430.070.20.5520.74773.264 80.168 49
      1530.030.40.5589.64645.9840.229 049
      1630.070.40.5608.34729.349 60.254 935
      1710.050.20.5445.59447.1240.134 646
      1850.050.20.5523.73386.426 20.167 436
      1910.050.40.5506.01619.843 20.174 637
      2050.050.40.5660.34650.702 40.293 49
      2130.030.30.3554.26661.303 20.196 635
      2230.070.30.3590.11745.9960.229 428
      2330.030.30.7554.44360.050 40.196 961
      2430.070.30.7590.49646.099 20.228 791
      2530.050.30.5579.46651.993 60.218 5
      2630.050.30.5578.22951.490.218 167
    • Table 7. Fitting function accuracy test

      View table
      View in Article

      Table 7. Fitting function accuracy test

      Y1Y2Y3
      R20.997 50.992 10.998 5
      R2(Adj)0.994 30.981 90.996 6
      R2(Pred)0.985 70.954 30.991 4
      CV0.813 64.871.24
      Adeq Precision66.680 538.23785.954 5
    • Table 8. Comparison of results before and after optimization

      View table
      View in Article

      Table 8. Comparison of results before and after optimization

      nh1/mmd1/mmh2/mmd2/mmL1/mmL2/mm承载力/N刚度/(Nμm-1)耗气量/(gs-1)
      优化前80.50.30.0531530519.745.70.2181
      优化后100.70.250.0351224578.382.30.1835
    Tools

    Get Citation

    Copy Citation Text

    Wei HU, Jizhu LIU, Tao LI, Feiyu CHEN, Liguo CHEN. Rapid optimization design of closed rectangular hydrostatic air flotation guideway[J]. Optics and Precision Engineering, 2024, 32(12): 1879

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Jan. 16, 2024

    Accepted: --

    Published Online: Aug. 28, 2024

    The Author Email: LIU Jizhu (liujizhu@suda.edu.cn)

    DOI:10.37188/OPE.20243212.1879

    Topics