| 摘要 |
A dual auger shredder having a grinding chamber within which is mounted a pair of screw augers, each having tapered flights and oriented opposite to each other, and a bottom including a pair of closure doors. The tapered auger screws provide an uneven surface to material fed downwardly from above the grinding chamber and the working edges of the tapered flights are exposed so that the corners and edges of large-surfaced materials such as wood pallets or wooden crates are engaged by the flights and compressed towards the center of the grinding chamber. The bottom closure panels are positioned beneath the screw augers, extend axially relative to them and are skewed so that they follow the tapered contour of the flights. The closure panels are selectively positionable to form an opening of a variable and predetermined size such that material deposited within the grinding chamber is retained therein and reduced in size until sufficiently small to pass through the opening.
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