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Laser & Optoelectronics Progress, Volume. 55, Issue 6, 061404(2018)

Process Modeling and Optimization of Laser Bending Forming of Copper-Nickel Multilayer Composite Sheets

Guodong Zhang1、1; , Xiao Wang1、1; , Wensheng Tan2、2; , Yuedong Sun1、1; , Yingjie Jiang1、1; , and Huixia Liu1、1;
Author Affiliations
  • 1 School of Mechanical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
  • 2 Changzhou Key Laboratory of Large Plastic Parts Intelligence Manufacturing,Changzhou College of Information Technology, Changzhou, Jiangsu 213164, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (16)
    Equations (0)
    References (25)
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    Figures & Tables(16)
    Schematic of laser bending forming experiment

    Fig. 1. Schematic of laser bending forming experiment

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    Experimental setup for laser bending forming

    Fig. 2. Experimental setup for laser bending forming

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    Schematic of bending angle measurement

    Fig. 3. Schematic of bending angle measurement

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    Pareto graph for initial variable responding to bending angle

    Fig. 4. Pareto graph for initial variable responding to bending angle

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    Partial samples of single-factor experiment

    Fig. 5. Partial samples of single-factor experiment

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    Effects of different process parameters on bending angle

    Fig. 6. Effects of different process parameters on bending angle

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    Effects of peak voltage and scanning speed on bending angle. (a) Contour plot; (b) response surface plot

    Fig. 7. Effects of peak voltage and scanning speed on bending angle. (a) Contour plot; (b) response surface plot

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    Effects of peak voltage and number of scans on bending angle. (a) Contour plot; (b) response surface plot

    Fig. 8. Effects of peak voltage and number of scans on bending angle. (a) Contour plot; (b) response surface plot

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    Effects of scanning speed and number of scans on bending angle. (a) Contour plot; (b) response surface plot

    Fig. 9. Effects of scanning speed and number of scans on bending angle. (a) Contour plot; (b) response surface plot

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    Effects of number of scans and scan path on bending angle. (a) Contour plot; (b) response surface plot

    Fig. 10. Effects of number of scans and scan path on bending angle. (a) Contour plot; (b) response surface plot

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    Predicted and experimental results of bending angle

    Fig. 11. Predicted and experimental results of bending angle

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    • Table 1. Initial variable and its variation range

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      Table 1. Initial variable and its variation range

      InitialvariableRawvalueMinimumvalueMaximumvalue
      Pulse frequency /Hz403545
      Pulse width /ms1.11.051.15
      Peak voltage /V425420430
      Scanning speed /(mm·min-1)600500700
      Number of scans201030
      Scan path position /mm2520300
      Spot diameter /mm1.00.51.5

    • Table 2. Factors and levels in central composite experiment

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      Table 2. Factors and levels in central composite experiment

      ParameterLevel
      -101
      Peak voltage /V420425430
      Scanning speed /(mm·min-1)500600700
      Number of scans102030
      Scan path position /mm202530
      Spot diameter /mm1.01.251.5

    • Table 3. Test of optimized experimental results

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      Table 3. Test of optimized experimental results

      No.Peakvoltage /VScanningspeed /(mm·min-1)Number ofscansScan pathposition /mmSpotdiameter /mmExperimentalbendingangle /(°)Predictedbendingangle /(°)
      1425.00600.0020.0020.001.2552.6349.35
      2430.00600.0020.0025.001.2541.6440.37
      3420.00700.0010.0030.001.5015.2312.65

    • Table 4. Optimization criteria of desirability mathematical function

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      Table 4. Optimization criteria of desirability mathematical function

      ParameterRange
      Peak voltage /V420-425
      Scanning speed /(mm·min-1)550-650
      Number of scans20-30
      Scan path position /mm20-30
      Spot diameter /mm1-1.25
      Bending angle /(°)11.52-79.34

    • Table 5. Optimal combination of process parameters

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      Table 5. Optimal combination of process parameters

      TestNo.Peakvoltage /VScanning speed /(mm·min-1)Number ofscansScan pathposition /mmSpotdiameter /mmBendingangle /(°)
      1425.00550.0030.0029.991.0062.46
      2424.97550.0030.0029.981.0461.97
      3425.00550.6530.0030.001.1061.48
      4425.00550.0029.9830.001.1461.37
      5425.00550.0029.9830.001.1761.29
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    Guodong Zhang, Xiao Wang, Wensheng Tan, Yuedong Sun, Yingjie Jiang, Huixia Liu. Process Modeling and Optimization of Laser Bending Forming of Copper-Nickel Multilayer Composite Sheets[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061404

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Nov. 30, 2017

    Accepted: --

    Published Online: Sep. 11, 2018

    The Author Email: Guodong Zhang (15852933653@163.com)

    DOI:10.3788/LOP55.061404

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology