Injection Molding
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Drooling of the nozzle during PLA '2079851475616104452
Fenómeno del problema
PLA melt drools from the nozzle during mold opening.
Análisis de la causa
The viscosity of PLA melt is low at the high temperature of the nozzle and it is easy to drool; the back pressure is improper.
Solución
Lower the nozzle temperature; use a shut-off nozzle; manually shoot the material before stopping.
Conclusión clave
PLA nozzle drooling affects automatic production.
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