Face milling insert

Details Face milling insert Face milling insert

2007-05-18

2009-06-16

Fridie, Willmon (Department: 3724)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S066000

Reexamination Certificate

active

07547164

ABSTRACT:
A face-milling insert, including a chip-removing main cutting edge adjacent to a first clearance surface, and a surface-wiping secondary edge adjacent to a second clearance surface, the main cutting edge forming an angle of 45° with an imaginary straight line in the extension of the secondary edge. Adjacent to a third clearance surface, an intermediate cutting edge is formed between the main cutting edge and the secondary edge, the intermediate cutting edge being shorter than the main cutting edge and forming an angle within a range of 20-40° with the extension line. The intermediate cutting edge transforms into the adjacent edges via arched part edges adjacent to convex clearance surfaces.

REFERENCES:
patent: 5634745 (1997-06-01), Wiman et al.
patent: 5904450 (1999-05-01), Satran et al.
patent: 7008148 (2006-03-01), Wiman et al.
patent: 7118312 (2006-10-01), Norstrom et al.
patent: 7232279 (2007-06-01), Smilovici et al.
patent: 1 093 874 (2001-04-01), None
patent: 1 297 921 (2003-04-01), None
patent: WO 00/47405 (2000-08-01), None

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