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Identification and Optimization of Dominant Process Parameters Affecting Mechanical Properties of FDM 3D Printed Parts

압출적층조형 공정 기반 3D 프린팅 제품 기계적 특성의 지배적 공정인자 도출 및 최적화에 관한 연구

  • Kim, Jung Sub (Dept. of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Jo, Nanhyeon (Service Design Institute, Sungkyunkwan Univ.) ;
  • Nam, Jung Soo (Dept. of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Lee, Sang Won (Dept. of Mechanical Engineering, Sungkyunkwan Univ.)
  • 김정섭 (성균관대학교 기계공학과) ;
  • 조난현 (성균관대학교 서비스융합디자인협동과정) ;
  • 남정수 (성균관대학교 기계공학과) ;
  • 이상원 (성균관대학교 기계공학과)
  • Received : 2016.10.11
  • Accepted : 2017.02.16
  • Published : 2017.07.01

Abstract

Recently, additive manufacturing (AM) technology, also known as 3D printing technology, has attracted attention as an innovative production method to fabricate functional components having complex shapes with saving materials. In particular, a fabrication of poly lactic acid (PLA) parts through a fused deposition modeling (FDM) technique has attracted much attention in the medical field. In this paper, an experimental study on the identification of dominant process parameters influencing mechanical properties of PLA parts fabricated by the FDM process is conducted, and their optimal values for maximizing the mechanical properties are obtained. Three process parameters are considered in this research, namely, layer thickness, a part orientation and in-fill. It is known that thin layer thickness, part orientation diagonal to the tension direction, and full in-fill are optimal conditions to maximize the mechanical properties.

Keywords

Additive Manufacturing;Fused Deposition Modeling;Mechanical Property;Dominant Process Parameter

Acknowledgement

Supported by : 한국연구재단

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