Injection Molding
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Abnormal injection pressure rise during PET '2079851475616104452
Fenómeno del problema
During normal production, injection pressure suddenly rises above the set upper limit and the equipment alarms.
Análisis de la causa
The gate is partially clogged (cold material or impurities); mold vent grooves are clogged; there is material buildup or foreign matter in the nozzle hole.
Solución
Check and clean the gate and nozzle; clean the vent grooves; use a filter nozzle to prevent foreign matter entry; check the mold parting line.
Conclusión clave
Abnormal PET injection pressure rise usually points to a blockage in the flow channel.
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