Patent ID: 6575674
Filing Date: 2003-06-10
Classification: B23D,B23P,Y10T

Abstract:
A high precision multi cutter reaming tool with a shaft and a head on which at least one cutter is provided,in which said head is produced from a blank that comprises a base body of a base material with an envelope surface with at least one substantially rectilinear or helical groove-shaped recess running around it into which at least one high hardness cutting material is sintered and in which a chip groove adjoins said cutter, wherein said high hardness cutting material comprises at least one said cutter having cuffing surfaces formed by the introduction of said chip groove by a grinding wheel into said base body, and movement of said grinding wheel toward said high hardness cuffing material, said head having main cutting edges and auxiliary cutting edges, said auxiliary any cutting edges following said helical groove-shaped recess, said main cutting edges being formed at chamfers at a front face of said head, and a circumference of said head being ground before working said chip groove.