Simulation Moldflow

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785 views1 edit(s)812 characters(s) Page last modified 14:53, 5 Jun 2012 by contentconnector
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Jetting

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    The snake-like stream of polymer melt that occurs when the melt is pushed at a high velocity through restrictive areas such as the nozzle, runner, or gate, into open, thicker areas, without forming contact with the mold wall.

    In the jet, contact points form between the folds of melt, creating small welds. Jetting can lead to part weakness, surface blemishes, and internal defects.