Injection Molding
9 مشاهدة
POE '2079851475616104452 flow length ratio insufficient
ظاهرة المشكلة
POE '2079851475616104452 flow length ratio only 80-100, below 150, thin-walled products cannot be filled
تحليل الأسباب
POE melt viscosity high, flow distance short; injection temperature too low; injection pressure insufficient; mold runner resistance large
الحل
1) Raise injection temperature to 160-200°C; 2) Raise injection pressure 80-100MPa; 3) Enlarge runner and gate size to reduce resistance; 4) Add 0.3-0.5wt% flow aid to reduce viscosity
الخلاصة الأساسية
Insufficient flow length ratio is caused by high POE viscosity; high temperature, high pressure and large gate are key
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