Elastomers and Composites

  • 제57권3호
  • /
  • Pages.114-120
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  • 2022
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  • 2092-9676(pISSN)
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  • 2288-7725(eISSN)
한국고무학회 (The Rubber Society of Korea)
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3-Dimensional Thermoforming Computer Simulation Considering Orthotropic Property of Film

  • Son, Hyun-Myung (Dept. of Mechanical Information Engineering, Graduate School of Seoul National University of Science & Technology) ;
  • Yoon, Seok-Ho (I-Components Co., Ltd.) ;
  • Lee, Ki-Ho (I-Components Co., Ltd.) ;
  • Lyu, Min-Young (Dept. of Mechanical Information Engineering, Graduate School of Seoul National University of Science & Technology)
  • 투고 : 2022.09.13
  • 심사 : 2022.09.23
  • 발행 : 2022.09.30
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초록

The tensile properties of the extruded PC film were measured in the extrusion direction and perpendicular to the extrusion direction. The measured properties were the elastic modulus and Poisson's ratio at the glass transition temperature of PC. The measured orthotropic properties of the film were used for the computer simulation of vacuum forming. In this simulation, three mold shapes were tested: dome, trapezoid, and cubic, and the vacuum was applied between the mold surface and the heated film. The stress, strain, thickness, and stretch ratio distributions of the film in different mold shapes were observed and compared. The thermoforming simulation method used in this study and the obtained results, considering the determined orthotropic properties, can be applied to the thermoforming of various three-dimensional shapes.

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과제정보

이 연구는 2022년도 산업통상자원부 및 산업기술평가관리원(KEIT) 연구비 지원에 의한 연구임(20014372).

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