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A Coupled Filling-Structural Simulation on a Water Manifold Injection Mold
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From GRT-Mars, Inc.
An injection mold for a water manifold was experiencing deflection on an extremely long core, causing a high defect rate on the finished product. In addition, inserted small plastic capillaries were being crushed if the mold parameters were outside a narrow window. By taking the pressure output from a filling simulation and using it as the boundary condition for a stress analysis on the mold itself, excellent correlation was achieved with the existing molding problems. This led to insight into the true cause of the core deflection along with a successful redesign of the tool to produce consistent, quality parts. Products & Services
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