Injection Molding
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Hot runner temperature out of control in PET '2079851475616104452
Fenómeno del problema
The temperature of a certain zone of the PET hot runner rises or falls abnormally, causing material degradation or solidification in that zone.
Análisis de la causa
Thermocouple failure or position shift; heating band damage; temperature control module failure; poor cable contact.
Solución
Regularly check and replace thermocouples; check heating band resistance values; calibrate the temperature control module; check all wiring terminals.
Conclusión clave
PET hot runner temperature out of control quickly leads to batch scrap.
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