Molds & Tooling
4 görüntüleme
PBT product ejector whitening
Sorun Belirtisi
Whitening at the ejection position.
Neden Analizi
Concentrated ejection force causes stress whitening; insufficient cooling causes large gripping force.; 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
Çözüm
①Increase ejection area to balance the force; ②extend cooling; ③increase mold temperature to reduce gripping; ④ensure draft angle.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Ejector whitening is a local stress signal; ejection system optimization is the standard countermeasure.; 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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