Cutting insert with chip control

Details Cutting insert with chip control Cutting insert with chip control

1988-09-30

1990-09-18

Schmidt, Frederick R.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407115, B23P 1528

Patent

active

049573969

ABSTRACT:
An improved cutting insert with chip control features having an insert body having wall regions, sides and top and bottom walls adapted for mounting in a pocket in a holder. The insert body has cutting edges and a diagonal notch or the like in the top and bottom sides. A land region extends rearwardly from the end wall region toward the respective top or bottom wall and defines a surface region of a predetermined width. An ascending wall or back ramp initiates in a portion of the land and terminates at the respective top or bottom wall. A chipbreaker depression initiates in a forward portion of the land proximate the cutting edge and extends into and bisects the back ramp.

REFERENCES:
patent: 2688791 (1953-05-01), Luers et al.
patent: 3339442 (1968-09-01), Jones et al.
patent: 3557416 (1971-01-01), Jones
patent: 3754309 (1973-08-01), Jones et al.
patent: 3762005 (1973-10-01), Erkfritz
patent: 4011050 (1977-03-01), Zinner
patent: 4116576 (1978-09-01), Gawryk, Sr.
patent: 4360297 (1982-11-01), Weber
patent: 4778311 (1988-10-01), Niemi
patent: 4834592 (1989-05-01), Niebauer et al.
Econo-Groove, Catalogue, p. 63.
Iscar Catalogue, p. 11.
Sanovik Catalogue, p. 118.

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