The Pressure and Degree of Filling Balance between Cavity to Cavity in Multi-Cavity Injection Mold

다수 캐비티 금형에서 캐비티 간의 압력과 균형충전도

  • Noh, Byeong-Su (Graduate School of Mechanical Engineering, Pukyong National University) ;
  • Park, Tae-Won (School of Computer Added Mold & Die Engineering, Korea Polytechnic VII College) ;
  • Jeong, Yeong-Deug (School of Mechanical Engineering, Pukyong National University)
  • Received : 2008.07.22
  • Accepted : 2008.11.21
  • Published : 2008.12.01

Abstract

Almost all injection molds have multi-cavity, which are designed with geometrically balanced runner system in order to made filling balance between cavity to cavity during injection molding. However, filling imbalance has been existed in the geometrically balanced runner system. In this study, we made an experiment and investigated that are filling balanced according to material. Also, in case of filling imbalance was occurred, we conducted experiments in order to find out difference of cavity pressure with cavity pressure sensor. When filling imbalance was occurred between cavity to cavity, we investigated the filling imbalance and pressure differences by computer-aided engineering(CAE).

Keywords