Metal cutting insert with rounded cutting edge

Details Metal cutting insert with rounded cutting edge Metal cutting insert with rounded cutting edge

1991-07-05

1993-04-27

Bishop, Steven C.

Cutters, for shaping

With chip breaker, guide or deflector

Comprising concave surface in cutting face of tool

407117, B23B 2722

Patent

active

052056805

ABSTRACT:
An insert for metal turning and grooving has an annular cutting edge. A chipformer surface is disposed radially inside of the cutting edge. A chip breaking wall is disposed radially inside of the chipformer surface. The chip breaking wall is inclined upwardly. A first section of the chip breaking wall located adjacent a front end of the insert has a steeper inclination than a second section thereof spaced circumferentially from the first section in a direction toward the rear end of the insert. The inclination of the chip breaking wall varies progressively from the first section to the second section.

REFERENCES:
patent: 3395434 (1968-08-01), Wirfezt
patent: 3733664 (1973-05-01), McKelvey
patent: 4844668 (1989-07-01), Pettersson

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