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30120130406023 2-3

by on Jan 10, 2014

  • 154 views

The injection molding process itself is a complex mix of time, temperature and pressure ...

The injection molding process itself is a complex mix of time, temperature and pressure
variables with a multitude of manufacturing defects that can occur without the right combination of
processing parameters and design components. Determining optimal initial process parameter
settings critically influences productivity, quality, and costs of production in the plastic injection
molding (PIM) industry. Up to now, most production engineers have used trial-and-error method to
determine initial settings for a number of parameters, including melt temperature, injection pressure,
injection velocity, injection time, packing pressure, packing time, cooling temperature, and cooling
time which depend on the engineers’ experience and intuition to determine initial process parameter
settings. However, the trial-and-error process is costly and time consuming.

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30120130406023 2-3 30120130406023 2-3 Document Transcript