Material Drying
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Raw Material Bridging in PBT '2079851475616104452
Fenómeno del problema
PBT particles bridge with each other in the hopper and do not feed down.
Análisis de la causa
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.
Solución
Control the drying temperature ≤120°C; use a forced feeder; optimize the hopper design; reduce powder.
Conclusión clave
PBT bridging affects continuous and stable production.
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