FIELD: processing of metals.
SUBSTANCE: invention relates to machining of materials and can be used for machining workpieces made from hard-to-process materials. End mill with an angular radius includes a tooth adjacent to the groove extending along the helical line. Teeth includes axial and radial rear surfaces connected by angular rear surface, and front surface having front ridge. Front ridge is continuously bent from line of bisector to at least axial position behind angular rear surface.
EFFECT: obtained cutter geometry provides improved final processing of the workpiece and durability of the tool under difficult processing conditions of materials, in particular, in processing of Inconel alloy.
20 cl, 5 dwg
