Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Study on the Effect of Gas Pressure on Bottle Wall Thickness in the Blow Molding Process

블로우 몰딩 공정에서 분사 압력이 성형 두께에 미치는 영향에 관한 연구

  • 김동환 (한국국제대학교 항공부품공학과) ;
  • 설상석 (창원대학교 메카트로닉스연구원)
  • Received : 2020.02.10
  • Accepted : 2020.02.21
  • Published : 2020.04.30
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Abstract

This study analyzed the deformation behavior of the high density polyethylene (HDPE) bottle in the blow molding process. We carried out finite element (FE) simulations using ANSYS Polyflow. First, the axisymmetric model was executed by 2D FE-simulation to determine the change of bottle wall thickness during the molding process. Then, the square model of the bottle was executed by 3D FE-simulation to gauge the effects of gas pressure on the change of wall thickness. The experiment results showed that the FE-simulations were able to upgrade the quality of the HDPE bottle in the blow molding process. These results can be used as guidance in adjusting gas pressure, as well as be extended for further study to determine process parameters such as temperatures, forming velocity, parison shape, etc.

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References

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