CUTTING INSERT FOR TOOL, IN PARTICULAR MILLING CUTTER, AND MILLING CUTTER Russian patent published in 2010 - IPC B23C5/20 B23C5/06 

FIELD: mechanics.

SUBSTANCE: insert comprises body having auxiliary back surface (12), which faces processed surface of stock, main back surface facing in direction of cutting and axial direction, cutting edge arranged in front angular zone in direction of cutting, formed by auxiliary and main back surfaces, chips-removing surface passing in direction of cutting beyond the limits of cutting edge at the distance from it in radial direction.

EFFECT: chips-removing surface is oriented towards cutting edge and comes down at the sharp angle to processed surface for reliable removal of chips.

15 cl, 7 dwg