Extrusion & Post
12 مشاهدة
DSTDP extrusion screen frequent clogging
ظاهرة المشكلة
DSTDP extrusion needs screen replacement every 2-3h, clogging causes sudden pressure rise and output drop
تحليل الأسباب
Many gel particles and impurities in raw material; screen mesh too high intercepting large amounts of particles; filler or color masterbatch agglomeration clogging the screen
الحل
1) Select raw material with low gel content; 2) adopt stepwise screens 40/80/120 mesh; 3) add filler and color masterbatch by the masterbatch method to reduce agglomeration; 4) install automatic screen changer to reduce downtime
الخلاصة الأساسية
Screen clogging is caused by impurities and improper configuration; raw material control and stepwise screens are key
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