Cutting insert for a milling cutter tool

Details Cutting insert for a milling cutter tool Cutting insert for a milling cutter tool

1993-07-12

1996-01-23

Kisliuk, Bruce M.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407 42, B23C 502

Patent

active

054860733

ABSTRACT:
A cutting insert for a rotary routing cutter tool, the insert being of substantially parallelepipedal shape and having a first pair of elongated cutting edges substantially parallel to a rotary axis of the insert, each cutting edge of the first pair being defined between contiguous rake and relief surfaces of the insert; a second pair of cutting edges transversely directed with respect to the first pair, each cutting edge of the second pair comprising first and second successive cutting portions, the first cutting edge portion merging with an adjacent cutting edge of the first pair via a rounded insert corner, the adjacent cutting edges defining at the corner a substantially acute angle; the second cutting edge portion sloping towards a base of the insert so as substantially to intersect the rotary axis and so as to merge with an adjacent cutting edge of the first pair via a coupling portion which slopes away from the insert base.

REFERENCES:
patent: 4940369 (1990-07-01), Aebi et al.
patent: 5052863 (1991-10-01), Satran
patent: 5071292 (1991-12-01), Satran
patent: 5145295 (1992-09-01), Satran
patent: 5193946 (1993-03-01), Arai et al.

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