Patent ID: 8905690

Claim:
A milling cutter for milling a groove into a blade footing of a turbine blade made from a superalloy, the milling cutter comprising: a shaft part; and a cutting part connected to the shaft part in the longitudinal direction, the cutting part having flutes and, when viewed in cross section perpendicular to the longitudinal direction, has several cutting teeth distributed about the periphery, each cutting tooth being defined by a pair of tooth flanks, one tooth flank extending in a straight line from an outermost portion to a base of an adjacent cutting tooth, wherein the cutting teeth are designed as scraping teeth with negative cutting geometry, wherein each pair of tooth flanks are disposed in a mirror-symmetrical manner with regard to a radial extending from the center of the cutting part to the outermost portion of the respective cutting tooth, and wherein each tooth flank is disposed with reference to the radial at a negative tooth angle which is within the range of 15° to 35°.