FIELD: instrument making.
SUBSTANCE: cutting tool containing body with seats for arrangement of cutting plates, wherein each seat comprises lower support surface, axial support surface, radial support surface and groove in corner between lower support surface and axial support surface, as well as groove or recess, reducing tensile stresses in cutting tool during machining and, at least, partially arranged next to seat between axial support surface and radial support surface.
EFFECT: enabling higher rigidity and strength of cutting tool body.
7 cl, 10 dwg
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