摘要 |
A powder feed system includes a housing that defines a feed chamber to hold powder, the feed chamber having a powder inlet and a powder outlet, at least one feed wheel in the feed chamber, the feed wheel rotating about a feed wheel axis, at least one agitator in the feed chamber positioned to move the powder from the feed wheel to the powder outlet of the feed chamber, the agitator rotating about an agitator axis, and a drive mechanism to rotate the feed wheel about the feed wheel axis and to rotate the agitator about the agitator axis.
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