Extrusion & Post
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CEF extrusion feeding unstable
Problembeschreibung
The CEF extrusion feeding amount fluctuates ±15%, causing unstable extrusion pressure and product dimensions
Ursachenanalyse
The irregular shape of CEF particles causes unstable filling rate of the feeding screw; bridging or voids in the hopper; the feeding screw design is not suitable
Lösung
1) Use a loss-in-weight feeder to precisely control the feeding amount; 2) Install a vibrator on the hopper to prevent bridging; 3) Granulate CEF to a uniform particle size of 2-3mm; 4) Change the feeding screw to a special design
Wichtigste Erkenntnis
Unstable feeding is caused by particle characteristics; loss-in-weight feeding and anti-bridging are the core
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