Molds & Tooling
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PBT venting design
Problembeschreibung
Air trap problems.
Ursachenanalyse
Poor venting; fast crystallization and fast filling require more venting.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first when troubleshooting
Lösung
①Improve the venting system; ②focus on end venting; ③cleaning and maintenance; ④speed reduction as auxiliary.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Venting is a mandatory item in PBT mold design.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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