FIELD: machine engineering. SUBSTANCE: in peripheral zone of carrying disc of wheel overlapped plates are arranged in fan-like fashion or roof tile fashion. Among said plates there are plates having base, main binding layer applied onto base, poured layer of abrasive grains applied onto main binding layer, covering layer applied onto abrasive grain layer; and plates having base and applied onto base layer of abrasive-active materials. EFFECT: enhanced efficiency, lowered consumption of abrasive materials. 7 cl, 3 dwg
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