This disclosure relates to the field of 3D printing machines using plastic or metallic powder to build parts,
like powder bed fusion or binder jetting processes. The automation of these processes requires moving
the powder from the supplies to the printable area. One of the most reliable ways to convey or lift powder
is using an Archimedes screw that is located inside a tube. A problem occurs when the Archimedes screw
should be cleaned, for example, for changing the printing material. The Archimedes screw is usually long
and should be removed through one of the sides of the tube. On the other side there’s the transmission
shaft that provides torque to the Archimedes screw, that difficult the extraction of the Archimedes screw.
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INC, HP, "REMOVABLE AUGER FOR 3D PRINTING TO ALLOW A DEEP CLEAN FOR CHANGING THE PRINTING MATERIAL", Technical Disclosure Commons, (July 15, 2019)