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

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Optimization of Gate Location for Melt Flow Balancing in Injection Mold Cavity By Using Recursive Design Area Reduction Method

설계영역 반복축소법에 의한 사출금형의 수지 유동균형을 위한 게이트 위치 최적화

  • Park, Jong-Cheon (Kumoh National Institute of Technology, Department of Mechanical Engineering) ;
  • Lee, Gyu-Seok (Kumoh National Institute of Technology, School of Mechanical Engineering) ;
  • Choi, Seong-Il (Kumoh National Institute of Technology, School of Mechanical Engineering) ;
  • Kang, Jin-Hyun (Kumoh National Institute of Technology, School of Mechanical Engineering)
  • Published : 2013.08.30
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Abstract

This study introduces an optimization methodology for the determination of gate location that ensures the melt flow balance within a part cavity of injection mold. A new sequential direct-search scheme based on the recursive reduction of the designer-specified gate design area is developed, and it is integrated with a commercial flow simulation tool for optimization. To quantify the level of melt flow balance, we employ the maximum difference among the fill times for the melt fronts to reach the boundary elements of part cavity as objective function. The proposed methodology is successfully applied in the case study of melt flow balancing in molding of a bar code scanner model. The result shows that the melt flow balance at the optimized gate positions is significantly improved from that for the initial gate position.

Keywords

References

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