TOOLS WITH ABRASIVE SEGMENTS

摘要

A tool (10) including abrasive segments (14), which can be superabrasive segment, mounted to a mounting plate (20) and a method for making the same. The abrasive segments (14) include hard particles and are formed by sintering layers of hard particles with layers of bond material to form a laminated sheet. The abrasive segments (14) are then cut from the laminated sheet and mounted to a planar face (9) of the mounting plate (20) to form a portion of a working region of the tool (10). Each segment (14) has a grinding surface which can be formed perpendicular to the layers of bond material and layers of hard particles so that the concentration of hard particles at the grinding surface is relatively high. This allows the portion of working surface made up of the abrasive segments to be relatively small. The segments can also be mounted to the substrate disc (20) such that the grinding surface of each segment is at an angle to the planar face (9).