Injection Molding
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PSU Barrel Temperature 400°C-level Control
Fenómeno del problema
[Problem Phenomenon] Ordinary '2079851475616104452 machines processing PSU cannot reach temperature or have temperature control drift; plasticization is poor
Análisis de la causa
PSU requires the barrel temperature control device to be freely settable and work stably in the high-temperature zone around 400°C; ordinary machines have insufficient temperature control accuracy in the high-temperature zone causing plasticization fluctuations
Solución
Select machines with high-temperature control capability and calibrate thermocouples; gradually heat each barrel zone to the process window; monitor heater band aging during long-term operation; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PSU barrels require 400°C-level stable temperature control, which ordinary machines cannot manage; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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