Injection Molding
6 مشاهدة
Gate clogging of PET injection mold
ظاهرة المشكلة
The gate frequently clogs during PET '2079851475616104452, injection pressure rises abnormally, and production is interrupted.
تحليل الأسباب
PET cools, crystallizes and solidifies too fast at the gate; gate size is too small; mold temperature in the gate area is on the low side.
الحل
Increase gate size; increase mold temperature in the gate area to 140-160°C; use a hot runner system.
الخلاصة الأساسية
The fast crystallization characteristic of PET easily causes gate clogging and needs to be addressed through mold temperature and gate design.
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