FIELD: process engineering.
SUBSTANCE: insert has cutting edge formed at intersection of lateral surface with end surface. Recesses made at lateral surface cover cutting edge at cutting edge recesses parts. Every said recessed section has a curved central section located, if seen from cutting plate end, located between two curved lateral sections. Central section features first radius of curvature while every lateral section features second radius of curvature. Note here the former is larger than the latter.
EFFECT: perfected design.
13 cl, 8 dwg
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