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SANKO GOSEI

CAE: Simulation of resin flow in molds

Updated: Nov 18, 2022

Plastic injection molding simulation

Numerical analysis is performed to predict product defects and equipment requirements in advance by theoretically calculating flow patterns, pressure, temperature, and other numerical values as the resin flows through the mold.



Necessity of Simulation

 Plastic injection molding requires a very large mold. When heat is applied to the plastic, it plasticizes and melts to develop fluidity. However, the molten plastic is extremely viscous and difficult to flow. Injection molding of plastics requires a large amount of pressure to make the resin flow through the mold. The pressure needs to be several hundred kgf per square centimeter, which can deform the metal mold. Since molds are expensive and parts cannot be produced if they are damaged, simulation is used to predict such problems in advance and take countermeasures.


Basics: What flow analysis can tell us

 1. Resin flow analysis in molds

 2. Mold cooling analysis

 3. Shrinkage and warpage analysis

 4. Residual stress analysis


Applications: Viscosity Data Measurement System


Translated with www.DeepL.com/Translator (free version)

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