Cutting insert

Details Cutting insert Cutting insert

1982-06-17

1984-05-08

Vlachos, Leonidas

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407116, B26D 100

Patent

active

044471750

ABSTRACT:
A cutting insert within indexable cutting edges with a chipbreaker configuration which comprises discrete recesses spaced along the length of the cutting insert. The cutting insert has a descending wall that joins the cutting edge or the land behind the cutting edge with a planar floor that extends toward the center of the insert. The recesses are formed in the descending wall adjacent the cutting edge or land behind the cutting edge and are concave facing outwardly as they extend inwardly of the insert. The inserts are coated, preferably, with a TiN over TiC chemical vapor deposition coating.

REFERENCES:
patent: 3395434 (1968-08-01), Wirfelt
patent: 3781956 (1974-01-01), Jones et al.
patent: 3973307 (1976-08-01), McCreery et al.
patent: 3973308 (1976-08-01), Lundgren
patent: 3975809 (1976-08-01), Sorice et al.
patent: 4215957 (1980-08-01), Holma et al.
patent: 4218160 (1980-08-01), Arnold
patent: 4273480 (1981-06-01), Shirai et al.

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