Injection Molding
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PETG '2079851475616104452 improper back pressure setting, poor plasticization
Fenómeno del problema
Plasticization is uneven, with unmelted particles in the melt or insufficient mixing.
Análisis de la causa
Back pressure too low, mixing and plasticization insufficient; back pressure too high increases shear heat and degradation risk.
Solución
Optimize back pressure setting to 0.5-1.5MPa; adjust according to plasticization quality and regrind condition.
Conclusión clave
PETG back pressure setting needs to balance plasticization quality and degradation risk.
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