Metal cutting inserts with abrasive bodies

Details Metal cutting inserts with abrasive bodies Metal cutting inserts with abrasive bodies

2008-07-01

2008-07-01

Fridie, Willmon (Department: 3722)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S115000, C407S114000, C407S116000, C407S119000

Reexamination Certificate

active

07393161

ABSTRACT:
The present invention relates to a cutting tool insert of a generally polygonal shape provided with a ceramic tip in a recess in at least one of its corners with a bottom surface and at least one side surface. At least the bottom surface of the recess is provided with rails with a height h being from about 50 to about 100 μm, width w being from about 100 to about 200 μm and spaced at distance 1 from about 0.75 to about 1.25 mm. The invention also relates to a method of making such an insert using a grinding wheel of a suitable profile before or after sintering or in the pressing operation.

REFERENCES:
patent: 4203690 (1980-05-01), Tanaka et al.
patent: 4854784 (1989-08-01), Murray et al.
patent: 5888029 (1999-03-01), Boianjiu
patent: 6655881 (2003-12-01), Shimizu
patent: 6742970 (2004-06-01), Oles et al.
patent: 6960049 (2005-11-01), Inayama
patent: 2005/0183893 (2005-08-01), Sjogren et al.
patent: 2005/0271483 (2005-12-01), Sjogren
patent: 2004/105983 (2004-12-01), None
patent: 2005/000519 (2005-01-01), None

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