Cutting insert for turning with chip-breaker arrangement...

Details Cutting insert for turning with chip-breaker arrangement... Cutting insert for turning with chip-breaker arrangement...

2006-06-29

2009-11-24

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

C407S115000

Reexamination Certificate

active

07621700

ABSTRACT:
A cutting insert includes a polygonal body of a hard, wear-resistant material, which has an upper surface and a lower surface, and a plurality of edge surfaces uniting said surfaces. At least one chip-breaker arrangement is provided in at least one of the lower and upper surfaces. At least one rounded cutting corner, provided with a nose-cutting edge, is formed at a nose portion at the area of the intersection area of two edge surfaces. The cutting corner defines a bisector. The chip-breaker arrangement includes two elongate chip-breaker segments having an opening provided therebetween intended to give room for a cooling jet directed toward the opening.

REFERENCES:
patent: 5584616 (1996-12-01), Katbi et al.
patent: 5743681 (1998-04-01), Wiman et al.
patent: 5901623 (1999-05-01), Hong
patent: 5947651 (1999-09-01), Murakami et al.
patent: 6447218 (2002-09-01), Lagerberg
patent: 7182555 (2007-02-01), Kitagawa et al.
patent: 2004/0240949 (2004-12-01), Pachao-Morbitzer et al.
patent: 29804043 (1998-06-01), None
International Search Report for corresponding International Application PCT/SE2006/000798.

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