Injection Molding
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Nozzle drooling
Problembeschreibung
Melt continuously flows out of the injection machine nozzle during mold opening, affecting metering accuracy
Ursachenanalyse
Melt viscosity is too low; nozzle temperature is set too high; the proportion of low-viscosity components in the blend is on the high side
Lösung
Appropriately reduce nozzle temperature by 10-20°C; use a self-locking nozzle; adjust the alloy ratio to increase overall melt viscosity
Wichtigste Erkenntnis
Nozzle drooling affects product weight consistency and production stability
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