Extrusion & Post
12 مشاهدة
MP extrusion screen frequent clogging
ظاهرة المشكلة
MP extrusion requires screen replacement every 2-3h, clogging causes pressure surge and output decrease
تحليل الأسباب
raw material contains many gel particles and impurities; screen mesh too high intercepting many particles; filler or color masterbatch agglomeration clogging the screen
الحل
1) select raw material with low gel content; 2) use stepped screens 40/80/120 mesh; 3) add filler and color masterbatch by the masterbatch method to reduce agglomeration; 4) install an automatic screen changer to reduce downtime
الخلاصة الأساسية
screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are key
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