Grinding tool for grinding roller of grinding device, has support plate, which is fixed to shaft, where closed-area blade ring is arranged on outer periphery of support plate

摘要

The grinding tool (3) has a support plate (6), which is fixed to a shaft (4). A closed-area blade ring (7) is arranged on an outer periphery of the support plate. A spreading circumference of the blade ring is extended parallel to rotational axis of the grinding tool. The blade ring has a molding (8) formed on a side edge as a cutter. A width dimension of the molding is extended parallel to the rotational axis.