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Feed Backup When Working with Powder

Modified on Thursday, 26 February 2015 03:48 PM by mpieler Categorized as Extrusion Hints
Feed Backup When Working with Powder
Vol. 31 #2, Fall 2004

To minimize feed backup when work- ing with powder (in particular low bulk density): Direct the material flow so that it is introduced at the down turning portion of the screw. This is particularly valuable for feeding in twin-screw extruders. Make sure the feed opening is rectangular and is open to expose the entire width of the screw. Again, this is particularly valuable for twin-screw extruders.

– Paul Andersen Coperion

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