Design & Manufacturing

Korean Society of Die & Mold Engineering (한국금형공학회)
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A study on multi-cavity injection mold and molding elemental technology for plastic product of high precision tolerance

고정밀 플라스틱 제품 성형을 위한 다수 캐비티 사출금형 및 성형 요소기술에 관한 연구

  • Jong-In Son (LG Innotek, Lens internalization TASK) ;
  • Chul-Ki Kim (Program in Metals and Materials Process Engineering, Inha University) ;
  • Byeong-Uk Song (Department of Mechanical Engineering, Incheon National University)
  • 손종인 (LG이노텍, Lens내재화TASK) ;
  • 김철기 (인하대학교 금속재료공정공학과) ;
  • 송병욱 (인천대학교 기계공학과)
  • Received : 2023.10.17
  • Accepted : 2023.12.31
  • Published : 2023.12.31
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Abstract

As a representative method for mass production, a multi-cavity type mold capable of simultaneously molding products of the same shape can be applied. It has the advantage of improving the productivity from several times to several tens of times, but it may cause disadvantages which is the quality deviation with each cavity. This study, therefore, has tried to increase the cavity filling balance by using a melt flipper and a flow distance control part in the runner part of the mold. Along with this, the design and manufacturing of air vents during injection molding have been verified through experimental methods to achieve a higher level of multi-cavity filling balance and dimensional accuracy.

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References

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