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Simulation of Injection Compression and Compression Molding

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    Compression molding is one of the earliest forms of molding. It is typically used for thermoset materials, but can be used with thermoplastics. The advantages of compression molding include more isotropic fiber distribution, dimensional stability, and surface finish. Compression molding can also support large part sizes, and it has a tendency to produce fewer knit lines. Injection-compression molding is a combination of injection and compression molding. The process keeps the advantages of injection molding and combines them with the advantages of compression molding. In this class, we highlight the advantages and limitations of both processes. We also discuss, in detail, the implementation of the processes using Autodesk® Simulation Moldflow® Insight software.

    Key Learnings

    • Describe the injection-compression molding process
    • Describe the compression molding process
    • Simulate injection-compression molding
    • Simulate compression molding