Material Drying
3 Aufrufe
Raw Material Bridging in PBT '2079851475616104452
Problembeschreibung
PBT particles bridge with each other in the hopper and do not feed down.
Ursachenanalyse
The PBT particles are irregular in shape or have increased fine powder, resulting in large friction; the hopper cone angle is small; the drying temperature is too high, and the material softens and sticks.
Lösung
Control the drying temperature ≤120°C; use a forced feeder; optimize the hopper design; reduce powder.
Wichtigste Erkenntnis
PBT bridging affects continuous and stable production.
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