Throw away inserts

Details Throw away inserts Throw away inserts

1978-08-07

1980-07-29

Vlachos, Leonidas

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

B23B 2722, B26D 100

Patent

active

042148456

ABSTRACT:
A polygonal throw away insert includes an insert body having two opposite, parallel major surfaces and a plurality of sides. A cutting edge is formed along a line where each of the sides joins each of the surfaces. A ramp extends from each cutting edge downwardly towards the center of at least one of the two major surfaces of the insert body. A pair of first chip breaking projections are provided on the ramp adjacent each corner of the insert body in a symmetrical relationship with respect to the bisector of the corner, and a second chip breaking projection is provided on the bisector behind the first projections.

REFERENCES:
patent: 3395434 (1968-08-01), Wirfelt
patent: 3487515 (1970-01-01), Contrucci
patent: 3786541 (1974-01-01), Lundgren
patent: 3792514 (1974-02-01), Ushijima
patent: 3815192 (1974-06-01), Ohtsu et al.
patent: 4044439 (1977-08-01), Romagnolo

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