Patent ID: 6682271
Filing Date: 2004-01-27
Classification: B23G,Y10T

Abstract:
A milling insert comprising:a generally flat holding section for connecting the milling insert to a receptacle of a milling cutter shank, the holding section having a trapezoidal inner base face forming a bearing surface for bearing against the milling cutting shank, an outer top face, a rear face, and lateral faces extending on both sides of the holding sectional, said lateral faces forming sides of the holding section and defining orientation surfaces, the sides of the holding section diverging from the rear face to a front portion of the holding section; a cutting section for cutting a workpiece, said cutting section forming said front portion of the holding section, and projecting outwardly from the holding section at an obtuse angle thereto, the cutting section having an outwardly pointing end face, a rear face, and a front face including a planar portion and a rounded tool face portion, wherein the rounded tool face portion of the front face of the cutting section is constructed as a chip guidance surface for guiding chips away from the cutting section of the milling insert, and wherein a cutting edge is formed at the intersection of the end face and the planar portion of the front face; at least one hole through the holding section for receiving holding means for pressing the holding section to a bearing surface of the milling cutter shank; wherein the holding section and the cutting section of the milling insert are arranged such that said rear face of the cutting section and the outer top face of the holding section are at an obtuse angle to one another.