[PDF][PDF] 3D numerical simulation investigating the effect of volumetric flow rate on core deflection

YY Chou, WH Yang, AJ Giacomin… - SPE-ANTEC Tech …, 2008 - moldex3d.com
Core deflection results from an unevenly advancing melt front around long slender cores
during injection molding. It is a pervasive problem in the manufacturing of long slender
hollow parts, especially when they are thin-walled. Core deflection not only causes uneven
wall thickness, but also affects the melt flow. In this paper, an effective 3D numerical
approach is developed to simulate the flow around a cantilevered core, to calculate the
uneven pressure distribution around the core, and to predict the core deflection. Moreover …

[PDF][PDF] 3D NUMERICAL SIMULATION INVESTIGATING THE EFFECT OF VOLUMETRIC FLOW RATE ON CORE...

A Giacomin - academia.edu
Core deflection results from an unevenly advancing melt front around long slender cores
during injection molding. It is a pervasive problem in the manufacturing of long slender
hollow parts, especially when they are thin-walled. Core deflection not only causes uneven
wall thickness, but also affects the melt flow. In this paper, an effective 3D numerical
approach is developed to simulate the flow around a cantilevered core, to calculate the
uneven pressure distribution around the core, and to predict the core deflection. Moreover …
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