Round cutting insert with chip control feature

Details Round cutting insert with chip control feature Round cutting insert with chip control feature

2007-06-25

2008-12-02

Fridie, Willmon (Department: 3724)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S114000, C407S115000, C407S116000

Reexamination Certificate

active

07458753

ABSTRACT:
A round cutting insert includes a bottom surface, a clearance side surface and a top surface. The top surface includes a chip control feature in the form of a continuous, circumferential depression formed by a substantially planar bottom surface and a pair of upward sloping substantially planar side walls that form an angle with respect to the top surface. The chip control feature may also include a plurality of radially offset bumps located in the depression. The bumps may have the same size and shape, or may have a different size and shape. The top surface also includes an elevated island having one or more indexing marks for easy indexing of the cutting insert.

REFERENCES:
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patent: 5525016 (1996-06-01), Paya et al.
patent: 5743681 (1998-04-01), Wiman et al.
patent: 5934844 (1999-08-01), Woolley
patent: 6164878 (2000-12-01), Satran et al.
patent: 6692199 (2004-02-01), Andersson et al.
patent: 7121772 (2006-10-01), Krahula et al.
patent: 2003/0210961 (2003-11-01), Arvidsson

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