Cutting insert with recess

Details Cutting insert with recess Cutting insert with recess

1994-01-24

1995-08-22

Lavinder, Jack W.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

407114, 407 42, B23C 502

Patent

active

054433347

ABSTRACT:
A cutting insert comprises an upper side or chip surface, a bottom surface and side faces extending between these two surfaces. At least one side face is provided with a first, possibly helically twisted relief surface and under this first relief surface, a secondary relief surface. Between these two relief surfaces a recess is provided. With this recess, all grinding in the immediate proximity of the cutting edge is avoided. Further, by providing the recess, it is also made possible to precisely position the insert in the milling cutter body, even when the first relief surface is helically twisted.

REFERENCES:
patent: 4597695 (1986-07-01), Johnson
patent: 4616962 (1986-10-01), Ushijima et al.
patent: 4627317 (1986-12-01), Komanduri et al.
patent: 4645386 (1987-02-01), Smith
patent: 4669924 (1987-06-01), Benson
patent: 4940369 (1990-07-01), Aebi et al.
patent: 5052863 (1991-10-01), Satran
patent: 5071292 (1991-12-01), Satran
patent: 5108234 (1992-04-01), Stojanovski
patent: 5145295 (1992-09-01), Satran
patent: 5147158 (1992-09-01), Riviere et al.

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