Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Study on the Optimal 3D Printing Conditions for Waterproof Thermal Manikin Generation

방수가능한 써멀마네킨 제작을 위한 최적 3D 프린팅 출력 조건 연구

  • No, Geun Hui (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Ma, Kang Han (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Kim, Young Je (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Kim, Hyo Jeong (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Lee, Ha Eun (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Sul, In Hwan (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Jung, Jin Young (Department of Materials Design Engineering, Kumoh National Institute of Technology)
  • 노근희 (금오공과대학교 소재디자인공학과) ;
  • 마강한 (금오공과대학교 소재디자인공학과) ;
  • 김영제 (금오공과대학교 소재디자인공학과) ;
  • 김효정 (금오공과대학교 소재디자인공학과) ;
  • 이하은 (금오공과대학교 소재디자인공학과) ;
  • 설인환 (금오공과대학교 소재디자인공학과) ;
  • 정진영 (금오공과대학교 소재디자인공학과)
  • Received : 2021.09.15
  • Accepted : 2021.10.12
  • Published : 2021.10.31
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Abstract

As the consumers' interest in the functionality of clothing increases, various test methods are being developed and standardized. Amongst them, thermal manikins are being actively used to test the thermal insulation property of clothing. However, it is difficult to commercialize them due to the high cost as well as the difference in the heating mechanism from that of an actual human body. To resolve this issue, a new method for three-dimensional (3D) printing will be explored that will consist of flexible heat pipes inside the printed manikin. However, the preliminary experiments have confirmed that fluid leakage occurs at the bottom. Therefore, the conditions that have maximal waterproof performance while minimizing the printing time for different materials such as polylactic acid (PLA) or thermoplastic polyurethane (TPU) as well as the g-code generation conditions, for instance, layer thickness and top/bottom surface fill pattern, were explored. The ultimate waterproof performance of the printed specimen was measured using the KS K ISO 811 test method. As a result, the linear structure of the PLA filaments was found to have optimal waterproof performance with the shortest 3D printing time.

Keywords

Acknowledgement

이 연구는 금오공과대학교 학술연구비로 지원되었음(202102210001).

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