Molds & Tooling
5 görüntüleme
PP Mold Sticking
Sorun Belirtisi
Parts stick to the cavity or grip the core tightly, getting scratched during demolding.
Neden Analizi
Excessive holding pressure, high melt and mold temperature, insufficient draft angle, roughened cavity; PP's shrink-and-grip-core characteristic aggravates sticking.
Çözüm
①Reduce holding pressure and melt temperature; ②increase draft angle; ③polish the cavity along the demolding direction; ④optimize ejection balance.
Temel Çıkarım
For mold sticking, reduce pressure first, then fix draft and polishing.
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