Cutting insert having main and secondary chip formers

Details Cutting insert having main and secondary chip formers Cutting insert having main and secondary chip formers

2008-08-08

2009-10-27

Fridie, Jr., Will (Department: 3724)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

C407S113000

Reexamination Certificate

active

07607869

ABSTRACT:
As seen in a side view of a cutting insert, the cutting insert is provided with cutting edges that slope in opposite directions. A rake surface extends at the upper surface inwardly from the cutting edges. An inward portion of the rake surface forms a main chip former. A first end of the rake surface adjacent a raised cutting corner and distal a lower cutting corner is provided with a secondary chip former that extends from adjacent the raised cutting corner to the main chip former.

REFERENCES:
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patent: 2008/0008545 (2008-01-01), Rofner et al.
patent: 93/13899 (1993-07-01), None
International Search Report in PCT/IL2008/001046, dated Dec. 30, 2008.

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