| 摘要 |
PURPOSE: A wood crusher is provided to prevent the cutter from being damaged by foreign materials by dropping foreign materials by backing a cutter and then returning to the original position. CONSTITUTION: A wood crusher comprises a housing(100), feed hopper, grinding unit, transfer unit, and pitch board. The feed hopper is formed at the upper part of the housing and receives wood residue. The grinding unit is formed at the lower part of the feed hopper and grinds the wood residue. The transfer unit transfers the wood residue to the pitch board and injects the sieved wood residue to the grinding unit. The pitch board is installed at a part of the outer circumference of the transfer unit and a plurality of pitches is formed.
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