The Madison Group Info@madisongroup.com madisoongroup.com What Went Wrong? An injection-molded acetal shroud used in a medical device assembly was experiencing excessive warpage of the sidewalls that prevented it from being assembled to the mating component. The Madison Group 2615 Research Park Drive Madison WI, 53711 USA Ph: (608) 231-1907 madisongroup.com Evaluation An evaluation of the current cooling line layout and process parameters used to manufacture the shroud was performed using Autodesk Moldflow Insight. The simulation revealed that the current cooling line layout allowed the core to run 30 – 40 °F hotter than the cavity side of the mold. As a

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