Cutting insert

Details Cutting insert Cutting insert

1976-10-21

1977-11-08

Hinson, Harrison L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

B26D 100

Patent

active

040568717

ABSTRACT:
A positive rake cutting insert with an integrally molded chipbreaker configuration is provided which comprises a cutting edge, a land area, first and second planar walls and a central face area. The top face configuration of the positive rake insert has a land area extending inwardly from the cutting edge and joining a fillet radius. The fillet radius extends inwardly and downwardly and joins a first planar wall which is also inclined downwardly toward the center of the insert. A second planar wall is inclined upwardly from the first planar wall toward the center of the insert and joins a central face area of the insert.

REFERENCES:
patent: 1756516 (1930-04-01), Klopstock
patent: 3395434 (1968-08-01), Wirfelt
patent: 3504413 (1970-04-01), Siewert et al.
patent: 3973307 (1976-08-01), McCreery

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