ASSEMBLED CUTTING TOOL AND CUTTING PLATE FOR IT Russian patent published in 2008 - IPC B23B27/16 B23B51/00 B23C5/20 

FIELD: technological processes.

SUBSTANCE: tool contains casing, cutting plate fixed in it by means of fastening screw and tangentially installed in seat of casing, which is limited by bottom, at that cutting plate has through opening, axis of which crosses the main back surfaces, and main, auxiliary and angle cutting edges formed at the crossing of end surfaces with accordingly main, auxiliary and angle back surfaces. Tool is equipped with support element with two protrusions, two channels are provided on every main back surface of cutting plate, at that on every main back surface through opening is located between mentioned channels, every channel is limited by bottom and side surfaces intended for interaction with protrusions of support element, at that corrugations are provided on side surfaces of channels and protrusions of support element.

EFFECT: easier descent of chips and provision of seat for cutting plate.

2 cl, 3 dwg