Extrusion & Post
11 görüntüleme
Frequent screen clogging in EVA extrusion
Sorun Belirtisi
EVA extrusion requires screen replacement every 2-3h; clogging causes pressure surge and output decline
Neden Analizi
Many gel particles and impurities in raw material; screen mesh too high intercepting large amount of particles; filler or color masterbatch agglomeration clogging screen
Çözüm
1) Select raw material with low gel content; 2) Use stepped screens 40/80/120 mesh; 3) Add filler and color masterbatch by masterbatch method to reduce agglomeration; 4) Install automatic screen changer to reduce downtime
Temel Çıkarım
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are key
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