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Laser & Optoelectronics Progress, Volume. 58, Issue 21, 2114006(2021)

Scan Line Filling Algorithm for Metal Additive Manufacturing Based on Information Inheritance between Layers

Huixian Li1, ChenHao Wu1, and Liang Ma2、*
Author Affiliations
  • 1School of Computer Science and Engineering, Northwestern Polytechnical;University, Xi'an , Shaanxi 710072, China
  • 2School of Materials, Northwestern Polytechnical University, Xi'an , Shaanxi 710072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (17)
    Equations (0)
    References (15)
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    Figures & Tables(17)
    Data structure of proposed algorithm

    Fig. 1. Data structure of proposed algorithm

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    Definition of Layer

    Fig. 2. Definition of Layer

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    Definition of LayerPart

    Fig. 3. Definition of LayerPart

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    Definition of Polygons

    Fig. 4. Definition of Polygons

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    Layer grouping

    Fig. 5. Layer grouping

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    Flow chart of layer grouping

    Fig. 6. Flow chart of layer grouping

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    Schematic of "equalization"

    Fig. 7. Schematic of "equalization"

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    Schematic of "shrinking"

    Fig. 8. Schematic of "shrinking"

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    Schematic of "expansion"

    Fig. 9. Schematic of "expansion"

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    Temporary path storage structure

    Fig. 10. Temporary path storage structure

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    Final path storage structure

    Fig. 11. Final path storage structure

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    Filling algorithm based on information inheritance between layers

    Fig. 12. Filling algorithm based on information inheritance between layers

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    Test model

    Fig. 13. Test model

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    Contour filling results. (a) 100th floor; (b) 1500th floor; (c) 1800th floor

    Fig. 14. Contour filling results. (a) 100th floor; (b) 1500th floor; (c) 1800th floor

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    Time consumption of each algorithm versus scan line spacing

    Fig. 15. Time consumption of each algorithm versus scan line spacing

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    Time consumption of each algorithm versus layer number

    Fig. 16. Time consumption of each algorithm versus layer number

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    • Table 1. Time-consumption comparison of different filling algorithms for different models

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      Table 1. Time-consumption comparison of different filling algorithms for different models

      ModelSize /（mm×mm）Time-consumption of algorithm 1 /sTime-consumption of algorithm 2 /sAcceleration ratio
      Cube300×30060.06124.0922.49
      Trapezoidal platform450×45090.09256.9481.58
      Handstand trapezoid platform450×45091.06059.3231.53
      Curved cube133×10022.80714.8021.54
      Box300×30079.71636.5582.18
      Test model200×10025.57615.4701.65
      Vase145×14591.59390.1081.02
      Sculpture143×14373.96270.441.05
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    Huixian Li, ChenHao Wu, Liang Ma. Scan Line Filling Algorithm for Metal Additive Manufacturing Based on Information Inheritance between Layers[J]. Laser & Optoelectronics Progress, 2021, 58(21): 2114006

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Feb. 22, 2021

    Accepted: Mar. 12, 2021

    Published Online: Nov. 1, 2021

    The Author Email: Liang Ma (maliang@nwpu.edu.cn)

    DOI:10.3788/LOP202158.2114006

    Topics

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