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Optimum Packaging Design of Packaging Tray and Cushion Pad of Korean Pears for Exporting using FEA Simulation

FEA 시뮬레이션 기법을 이용한 수출용 한국 배 포장 트레이 및 완충패드 최적 포장설계

  • Choi, Dong-Soo (Postharvest Engineering Division, National Institute of Agricultural Sciences) ;
  • Son, Jae-Yong (Postharvest Engineering Division, National Institute of Agricultural Sciences) ;
  • Kim, Jin-Se (Postharvest Engineering Division, National Institute of Agricultural Sciences) ;
  • Kim, Yong-Hoon (Postharvest Engineering Division, National Institute of Agricultural Sciences) ;
  • Park, Chun-Wan (Postharvest Engineering Division, National Institute of Agricultural Sciences) ;
  • Jung, Hyun-Mo (Dept. of Logistic Packaging, Kyongbuk Science College) ;
  • Hwang, Sung-Wook (Dept. of Chemical Engineering, Keimyung University)
  • 최동수 (국립농업과학원 수확후관리공학과) ;
  • 손재용 (국립농업과학원 수확후관리공학과) ;
  • 김진세 (국립농업과학원 수확후관리공학과) ;
  • 김용훈 (국립농업과학원 수확후관리공학과) ;
  • 박천완 (국립농업과학원 수확후관리공학과) ;
  • 정현모 (경북과학대학교 물류포장학과) ;
  • 황성욱 (계명대학교 화공학과)
  • Received : 2020.08.24
  • Accepted : 2020.09.16
  • Published : 2020.10.31

Abstract

Among the many packaging materials used in cushion packaging, there is a lack of optimum design for packaging trays and cushion pads used in pear packaging for export and domestic distribution. It causes over-packaging due to excessive material input, and can be solved by applying various parameters needed to optimize the design of the packaging tray and cushion pad considering the packaging material and the number of pears in the box. In the case of a cushion pad for pears, the economic efficiency of material and thickness should be considered. Therefore, it is possible to design a packaging tray and cushion pad depending on eco-friendly packaging materials (PLA, PET) used by applying appropriate design parameters. The static characteristics of the materials used for the packaging of pears were analyzed using FEA (finite element analysis) simulation technique to derive the optimal design parameters. In this study, we analyzed the contact stress and deformation of PET, PLA tray (0.1, 0.5 1.0, 1.5 and 2 mm) and PET foam (2.0, 3 .0 and 4.0 mm) with pears to derive appropriate cushion packaging design factors. The contact stress between the pear and PET foam pad placed on PLA, PET trays were simulated by FEA considering the bioyield strength (192.54±28 kPa) of the pears and safety factor (5) of packaging design, which is the criterion of damage to the pears. For the combination of PET tray and PET foam buffer pad, the thickness of the PET foam is at least 3 mm, the thickness of the PET foam is at least 1.0 mm, the thickness of the foam is at least 2 mm, and if the thickness of the PET tray is at least 1.5 mm, the thickness of the foam is at least 1 mm, suitable for the packaging design. In addition, for the combination of PLA tray and PET foam pad, the thickness of the PET foam was not less than 2 mm if the thickness of the PLA tray was 0.5 mm, and 1 mm or more if the thickness of the PLA tray was not less than 1.0 mm, the thickness of the PET foam was suitable for the packaging design.

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