Injection Molding
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PETG '2079851475616104452 improper back pressure setting, poor plasticization
Problembeschreibung
Plasticization is uneven, with unmelted particles in the melt or insufficient mixing.
Ursachenanalyse
Back pressure too low, mixing and plasticization insufficient; back pressure too high increases shear heat and degradation risk.
Lösung
Optimize back pressure setting to 0.5-1.5MPa; adjust according to plasticization quality and regrind condition.
Wichtigste Erkenntnis
PETG back pressure setting needs to balance plasticization quality and degradation risk.
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