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Optimization of the parameters of the selective laser sintering for the formation of PA12 samples by the Taguchi method

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Abstract

Selective laser sintering (SLS) is a 3D printing process on a powder bed that presents a real revolution for many industrial sectors; it allows to produce layer by layer precise prototypes, fast, with high dimensional accuracy and with remarkable mechanical characteristics. This technology uses a laser to fuse polymer microparticles, following the geometry of digitally cut CAD models. However, the external surfaces of the parts produced by this process are characterized by a high degree of roughness due mainly to the properties of the powder, the orientation in the build-up tray, and the manufacturing parameters. In this study, selective laser sintering experiments were performed with PA12 powders, in order to analyze the optimal process parameters for the realization of parts with minimal roughness. The process parameters chosen for the study were carefully selected and which are laser power, scanning speed, layer thickness, and scanning space. The samples were printed in different orientations 0°, 45°, and 90°. The Taguchi method was used to study the parameters. Regression equations for each of the orientations were established; these developed a linear relationship between the roughness and the parameters studied.

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Authors and Affiliations

  1. Mechanical and Integrated Engineering (M2I), Laboratory of Sciences and Professions of the Engineer, ENSAM, Moulay Ismail University, Meknes, Morocco

    Zainab Faraj & Mohamed Aboussaleh

  2. Team: M2AI, Laboratory: L2MC, Mechanical and Structural Engineering Department, ENSAM, Moulay Ismail University, Meknes, Morocco

    Smail Zaki

  3. Laboratory of Applied Mechanics and Technologies (LAMAT), ENSAM, STIS Research Center Mohammed V University, Rabat, Morocco

    Hamid Abouchadi

  4. Energy, Materials and Sustainable Development Department, ENSAM, Moulay Ismail University, Meknes, Morocco

    Rachid Kabiri

Authors
  1. Zainab Faraj
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  2. Mohamed Aboussaleh
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  3. Smail Zaki
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  4. Hamid Abouchadi
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  5. Rachid Kabiri
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Correspondence to Zainab Faraj.

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Faraj, Z., Aboussaleh, M., Zaki, S. et al. Optimization of the parameters of the selective laser sintering for the formation of PA12 samples by the Taguchi method. Int J Adv Manuf Technol 122, 1669–1677 (2022). https://doi.org/10.1007/s00170-022-09991-7

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  • DOI: https://doi.org/10.1007/s00170-022-09991-7

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