Design & Manufacturing

Korean Society of Die & Mold Engineering (한국금형공학회)
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A study of mechanical properties with FDM 3D printing layer conditions

FDM 3D Printing 적층조건에 따른 기계적 물성의 연구

  • Kim, Bum-Joon (Department of Mechanical Engineering, Osan University) ;
  • Lee, Hong-Tae (Department of Automotive Engineering, Osan University) ;
  • Sohn, Il-Seon (Department of Automotive Engineering, Osan University)
  • Received : 2018.09.18
  • Accepted : 2018.12.01
  • Published : 2018.12.01
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Abstract

Fused deposition Modeling (FDM) is one of the most widely used for the prototype of parts at ease. The FDM 3D printing method is a lamination manufacturing method that the resin is melted at a high temperature and piled up one by one. Another term is also referred to as FFF (Fused Filament Fabrication). 3D printing technology is mainly used only in the area of prototype production, not in production of commercial products. Therefore, if FDM 3D printer is applied to the product process of commercial products when considered, the strength and dimensional accuracy of the manufactured product is expected to be important. In this study, the mechanical properties of parts made by 3D printing with FDM method were investigated. The aim of this work is to examine how the mechanical properties of the FDM parts, by changing of processing FDM printing direction and the height of stacking layer is affected. The effect of the lamination direction and the height of the stacking layer, which are set as variables in the lamination process, by using the tensile specimen and impact specimen after the FDM manufacturing process were investigated and analyzed. The PLA (Poly Lactic Acid) was used as the filament materials for the 3D printing.

Keywords

Acknowledgement

Supported by : 오산대학교

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