Cutting insert for ball end mill

Details Cutting insert for ball end mill Cutting insert for ball end mill

1992-02-11

1993-03-30

Biship, Steven C.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407 42, 407116, B23C 520

Patent

active

051978318

ABSTRACT:
A cutter insert for a ball end mill is disclosed which includes a plate-like insert body having a front face and a side face extending from the front face. The front face has a generally convexly curved marginal ridge defined by the intersection of the front face with the side face. The marginal ridge serves as a cutting edge. The front face serves as a rake surface for the cutting edge while the side face serves as a relief surface for the cutting edge. The cutting edge has a leading portion to be indexed in the end cutting position and a trailing portion to be indexed in the peripheral cutting position. A land is formed on the rake surface so as to extend along the cutting edge. The land has a width gradually increasing in a direction from the leading portion of the cutting edge toward the trailing portion thereof.

REFERENCES:
patent: 3383748 (1968-05-01), Galimberti et al.
patent: 3968550 (1976-07-01), Gehri
patent: 4367990 (1983-01-01), Porat et al.
patent: 4527930 (1985-07-01), Harroun
patent: 4898499 (1990-02-01), Tsujimura et al.

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