Molds & Tooling
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PPS Mold Sticking and Difficult Demolding
Problembeschreibung
Products stick to the cavity and are scratched during demolding.
Ursachenanalyse
High mold temperature causes thermal bonding between PPS and the mold; insufficient draft angle or improper surface condition.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
①Optimize mold temperature and cooling; ②increase draft angle; ③select appropriate mold surface treatment; ④balance the ejection system.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PPS mold sticking is related to high mold temperature; demolding design must adapt to the high-temperature process.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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