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전언찬(Eon-Chan Jeon),박정우(Jung-Woo Park),김수용(Soo-Yong Kim),이철장(Chul-Jang Lee),안광우(Kwang-Woo Ahn) 한국기계가공학회 2008 한국기계가공학회지 Vol.7 No.3
In this paper, we design internal space in plunger-type low pressure vacuum injection molding machine from numerical study. And we study characteristic of viscoelastic flow for searching injection molding condition. Then the flow analysis was performed using the CAE S/W. The result shows optimal value of nozzle and hole in injection chamber. And we investigated qualitatively relationship between injection pressure and injection mass flow with variable shear rate