Cutting insert

Details Cutting insert Cutting insert

1988-10-18

1991-02-05

Schmidt, Frederick R.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407114, 407115, 407116, B23B 100

Patent

active

049900366

ABSTRACT:
A cutting insert simultaneously performs a plurality of operations such as roughing and finishing, or roughing and polishing. A roughing/finishing insert has a main cutting edge and a secondary cutting edge, both edges extending laterally relative to a direction of feed of the insert. The secondary cutting edge is disposed rearwardly of the main cutting edge and extends farther laterally outwardly than the main cutting edge by a distance which is substantially less than the lateral extent of the main cutting edge.

REFERENCES:
patent: 3574911 (1971-04-01), Penoyar
patent: 4552492 (1985-11-01), Komanduri
patent: 4572042 (1986-02-01), Wiman
patent: 4575888 (1986-03-01), Muren
patent: 4616962 (1986-10-01), Ushijima
patent: 4645384 (1987-02-01), Shimomura et al.

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