Cutting insert

Details Cutting insert Cutting insert

1997-07-25

1998-12-29

Pitts, Andrea L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407114, 407116, B23C 520

Patent

active

058532676

ABSTRACT:
A chip cutting insert has an upper chip surface, a lower base surface, at least three side surfaces and at least two cutting edges formed at the intersection of the upper surface with two insert side surfaces. Each cutting edge has leading and trailing ends. The side surface associated with each cutting edge comprises an upper primary relief section inclined to the insert base surface at a first interior angle, and a lower secondary relief section inclined to the insert base surface at a second interior angle, the second interior angle being acute and being different from the first interior angle at least along a part of the cutting edge.

REFERENCES:
patent: 4512689 (1985-04-01), Bylund
patent: 5083887 (1992-01-01), Dotany
patent: 5425603 (1995-06-01), Dutschke et al.
patent: 5441370 (1995-08-01), Pantzar et al.
patent: 5447396 (1995-09-01), Pantzar et al.
patent: 5513931 (1996-05-01), Reiterman et al.
patent: 5542793 (1996-08-01), Deiss et al.
patent: 5556239 (1996-09-01), Reiterman
patent: 5622460 (1997-04-01), Satran et al.

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