| 摘要 |
A burr is provided for dressing a grinding tool, such as the grinding surfac e of a pulpstone grinding tool used for mechanical preparation of wood pulp. The bu nt includes a cylindrical body portion, a plurality of teeth disposed on and protruding outward from the outer surface thereof, and at least one annular channel formed in the outer surface thereof. The burr may provide for a more uniform dress pattern in a grinding surface of a pulpstone grinding tool to provide improved consistenc y and quality of wood pulp produced thereby.
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