Indexable cutting insert

Details Indexable cutting insert Indexable cutting insert

1980-06-30

1981-10-27

Hinson, Harrison L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407120, B26D 100

Patent

active

042970580

ABSTRACT:
This invention relates to an indexable broadnosing cutting insert for use in boring and broadnosing applications, especially where a floating type of boring head is required. This insert, preferably, has a triangular-like shape. Each side of this triangular-like shape actually being made of three angularly related faces: a forward lead clearance face, a middle clearance face and a rear relief face. The forward lead clearance face and the middle clearance face are joined to the top face of the insert by a narrow, vertical wiper face.

REFERENCES:
patent: 3187406 (1965-06-01), Franko
patent: 3229349 (1966-01-01), Leksell
patent: 3271842 (1966-09-01), Breuning
patent: 3588977 (1971-06-01), Bellingham et al.
patent: 3716900 (1973-02-01), Erkfritz
patent: 3821836 (1974-07-01), Ohtsu
patent: 3842470 (1974-10-01), Hertel
patent: 3934319 (1976-01-01), Schuler
patent: 3955259 (1976-05-01), Gustafsson
patent: 4086016 (1978-04-01), Goeke
"Bearing Lands and Negative Rakes Prolong Cutting Tool Life" by Mark W. Purser, American Machinist, Aug. 2, 1945, pp. 118-121.
Kennametal Dwg. XB-798-3-Insert for Special Caterpillar Boring Head.
Caterpillar 55.degree. Profiling Insert.
"Changing to Skiving and Roller Burnishing"-Tooling & Production, Jan. 1980, pp. 82-84.

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