Processing Machinery
6 مشاهدة
Poor EMA plasticization
ظاهرة المشكلة
Unmelted particles appear in EMA products with incomplete plasticization
تحليل الأسباب
Screw compression ratio insufficient <2.5 with low plasticizing pressure; screw speed too low with insufficient shear; processing temperature too low
الحل
1) Select screw with compression ratio >3; 2) Increase screw speed to increase shear; 3) Increase processing temperature by 5-10°C
الخلاصة الأساسية
Poor plasticization is caused by improper screw design; optimizing screw and raising temperature are key
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