Molds & Tooling
2 Aufrufe
PC hot runner temperature
Problembeschreibung
【Problem Phenomenon】PC hot runner gate defects, improper temperature control
Ursachenanalyse
Hot runner temperature matched with barrel 290-310℃; local overheating degrades, low temperature causes cold slug; sufficient preheating at startup；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
Hot runner 290-310℃ zoned closed loop; startup preheating; regular thermocouple inspection；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability；Change only one variable at a time and record parameter changes to facilitate locating effective measures
Wichtigste Erkenntnis
PC hot runner 290-310℃, preheating and temperature control both emphasized；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence；Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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