Design & Manufacturing

  • 제17권1호
  • /
  • Pages.64-69
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  • 2023
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  • 2800-0323(pISSN)
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  • 2733-452X(eISSN)
한국금형공학회 (Korean Society of Die & Mold Engineering)
권호 표지

초미세 발포성형에서 게이트의 형상 변화에 따른 셀의 크기 및 밀도에 대한 영향도 분석

Analysis of the effect of changes in the gate design on cell size and density in Mucell injection molding

  • 최재혁 (광주대학교 융합기계공학과)
  • Jae Hyuk Choi (Department of Mechanical Convergence Engineering, Gwangju University)
  • 투고 : 2023.03.11
  • 심사 : 2023.03.31
  • 발행 : 2023.03.31
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초록

This paper explores the impact of gate shape changes on the size and density of foamed cells in microcellular foam injection molding. Five different gate shapes were examined while varying the amount of nitrogen gas(N2) injected for foaming. Analysis of the results showed that while average values did not change significantly, deviation values decreased by approximately 65% for cell size and 56% for density when 3.5wt% of nitrogen gas was injected in the film gate. Further analysis was conducted to verify this phenomenon, revealing that the contact area between the gate and product had the greatest impact. Our findings indicate that to ensure uniform generation of foamed cells in microcellular foaming product design, a gate with a wide contact area should be secured.

키워드

과제정보

이 연구는 2023년도 광주대학교 대학 연구비의 지원을 받아 수행되었음.

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