Cutters – for shaping – Including tool having plural alternatively usable cutting edges – With integral chip breaker – guide or deflector
Patent
1991-12-03
1993-09-21
Bishop, Steven C.
Cutters, for shaping
Including tool having plural alternatively usable cutting edges
With integral chip breaker, guide or deflector
82130, 407116, 407 69, B23B 2722, B23B 512
Patent
active
052463150
ABSTRACT:
A multi-cornered cutting insert includes a corner cutting edge at each corner, and a chipbreaking recess spaced inwardly of each corner cutting edge. The recess is curved as the insert is viewed in plan. A clearance face for each corner cutting edge has a clearance angle which progressively increases toward the respective corner.
REFERENCES:
patent: 3885281 (1975-05-01), Stambler
patent: 4035888 (1977-07-01), Romagnolo
patent: 4214847 (1980-07-01), Kraemer
patent: 4222690 (1980-09-01), Hosoi
patent: 4486127 (1984-12-01), Eckle
patent: 5096338 (1992-03-01), Takahashi
Dahllof Yngve
Hansson Solve
Bishop Steven C.
Sandvik AB
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