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A study of post-processing methods for improving the tightness of a part fabricated by fused deposition modeling

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Abstract

Fused Deposition Modeling (FDM) is one of the various Rapid Prototyping (RP) processes fabrication a complex three-dimensional (3D) physical model by depositing fused thermoplastic material in two-dimensional (2D) layer by layer. Coarse surface roughness due to the stair-stepping effect should be improved for better quality of a fabricated part, moreover its material strength and tightness should be enhanced by increasing bonding effect between the material particles. In this study, some practical approaches are addressed to guarantee the surface of roughness and tightness, such as shrinkage test, tightness test and tensile strength test of the specimen after post-processing. The proposed method is found to be very efficient way to be more accurate dimensioning and providing a more sufficient strength of the fabricated part.

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Authors and Affiliations

  1. School of Mechanical Engineering, Graduate School, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241, South Korea

    Kwang-Ho Jo, Yeon-Seong Jeong & Seok-Hee Lee

  2. Department of Aircraft Parts Engineering, International University of Korea, 965, Dongbu-ro, Munsan-eup, Jinju-si, Gyeongsangnam-do, 52833, South Korea

    Jae-Hak Lee

Authors
  1. Kwang-Ho Jo
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  2. Yeon-Seong Jeong
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  3. Jae-Hak Lee
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  4. Seok-Hee Lee
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Correspondence to Seok-Hee Lee.

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Jo, KH., Jeong, YS., Lee, JH. et al. A study of post-processing methods for improving the tightness of a part fabricated by fused deposition modeling. Int. J. Precis. Eng. Manuf. 17, 1541–1546 (2016). https://doi.org/10.1007/s12541-016-0180-z

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  • DOI: https://doi.org/10.1007/s12541-016-0180-z

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