Extrusion & Post
9 Aufrufe
Frequent screen clogging in EAA extrusion
Problembeschreibung
EAA extrusion requires screen replacement every 2-3h, clogging causes sudden pressure rise and output decline
Ursachenanalyse
Many gel particles and impurities in the raw material; screen mesh too high, intercepting a large number of particles; filler or color masterbatch agglomeration clogs the screen
Lösung
1) Select raw materials 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
Wichtigste Erkenntnis
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are the key
War das hilfreich?
0 Personen fanden dies hilfreich
Vielen Dank für Ihr Feedback!