Molds & Tooling
4 görüntüleme
PA66 mold sticking
Sorun Belirtisi
Grips the core, demolding difficult.
Neden Analizi
High holding pressure, small draft, shrinkage gripping; crystallization shrinkage gives it strong gripping force on the core; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience.
Çözüm
①Appropriately reduce holding pressure to reduce gripping force and frozen internal stress; ②increase draft angle to reduce demolding resistance; ③polish the cavity or die lip to reduce surface resistance and improve replication; ④extend cooling time so products are fully set before demolding; ⑤optimize the ejection system to ensure balanced ejection and distributed force.
Temel Çıkarım
PA66 mold sticking='gripping force': reduce pressure and temperature to reduce gripping, draft and polishing to reduce resistance; crystalline nylon demolding resistance must be managed as a priority; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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