Patent ID: 8568206

Claim:
An abrasive article comprising: an abrasive body comprising abrasive grains contained within a bond material, wherein the abrasive body comprises: a plurality of leading edges spaced apart from each other along a null axis of the abrasive body, wherein a leading edge is defined by a series of leading points, each of the leading points having an outward normal vector having a positive vector component with regard to a directional vector defining a direction of rotation at the leading point; a plurality of trailing edges spaced apart from each other along the null axis of the abrasive body, wherein a trailing edge is defined by a series of trailing points, each of the trailing points having an outward normal vector having a negative vector component with regard to a directional vector defining a direction of rotation at the trailing point; a plurality of neutral edges, wherein a neutral edge is defined by a series of neutral points, each of the neutral points having an outward neutral normal vector perpendicular to the directional vector at that neutral point; and wherein the abrasive body comprises an edge ratio of between about 0.7 an about 0.98, wherein the edge ratio is defined by the equation [(Lle+Lte)/(Lle+Lte+Lne)], wherein Lle is the total length of the plurality of leading edges, Lte is the total length of the plurality of trailing edges, and Lne is the total length of the plurality of neutral edges.