Counterbore milling cutter

Details Counterbore milling cutter Counterbore milling cutter

1988-11-21

1991-10-01

Schwartz, Larry I.

Cutting by use of rotating axially moving tool

Tool or tool with support

With work-engaging structure detachable from cutting edge

408 82, 408713, B23B 5100

Patent

active

050528645

ABSTRACT:
Counterbore milling cutter employing Trigon inserts mounted with the active cutting edge extending radially to provide right angle counterbore corners with 84.degree. included angle cutting points for greater strength and support than possible with conventional triangular inserts. A pair of pocket shoulders at the end of the body adjacent a pilot extension locate each insert held by a central screw offset toward the pocket shoulders, preferably configured to best resist torque imposed by axial force against the cutting edge.

REFERENCES:
patent: 3276293 (1966-10-01), Testa
patent: 3358531 (1967-12-01), Schaffler
patent: 4230429 (1980-10-01), Eckle
patent: 4265574 (1981-05-01), Eckle
patent: 4303358 (1981-12-01), Grusa
patent: 4393735 (1983-07-01), Eckle
patent: 4606680 (1986-08-01), Striegl
patent: 4693641 (1987-09-01), Tsujimura et al.
patent: 4714390 (1987-12-01), Eckle et al.

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