Molds & Tooling
4 görüntüleme
PPO Demolding and Mold Sticking
Sorun Belirtisi
[Problem Phenomenon] PPO products stick to the mold and are scratched, with large demolding force and difficult ejection
Neden Analizi
Large internal stress and strong shrink-fit force make demolding difficult; excessive holding pressure, insufficient cooling and insufficient draft angle aggravate it; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
Reduce holding pressure and internal stress; check draft angle and cavity polishing; extend cooling to ensure demolding strength; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
For PPO mold sticking first reduce internal stress, then check draft, polishing and cooling; 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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