| 摘要 |
A screw feeder is provided for a powder roller compactor machine. The machine includes a hopper for holding powder and a pair of rollers for compacting the powder. A screw feeder transfers powder from the hopper to the rollers. The screw feeder includes an upper tapered section with a tapered shaft and a lower straight section with a straight shaft. Auger flighting is provided on the tapered and straight sections of the screw feeder. The auger flighting preferably has a fixed depth along the length of the screw feeder.
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