Injection Molding
13 مشاهدة
Insufficient Filling in PC '2079851475616104452
ظاهرة المشكلة
The cavity of large PC products is not completely filled.
تحليل الأسباب
The melt viscosity of PC is high and sensitive to temperature; the injection pressure is insufficient; the gate and runner resistance is large; the mold temperature is low.
الحل
Increase the melt temperature to 290-310°C; increase the injection pressure; enlarge the gate and runner; mold temperature 90-120°C.
الخلاصة الأساسية
The high viscosity of PC is the main cause of short shot due to poor fluidity.
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