Coated cutting insert for milling applications

Details Coated cutting insert for milling applications Coated cutting insert for milling applications

2008-09-11

2011-11-08

Turner, Archene (Department: 1784)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C428S336000, C428S469000, C428S472000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

08053063

ABSTRACT:
Coated cemented carbide inserts (cutting tool), particularly useful for wet or dry milling of steels, are disclosed. The cutting tool insert is characterized by a cemented carbide body comprising WC, NbC and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiCxNyOzwith equiaxed grains, a layer of TiCxNyOzwith columnar grains and a layer of α-Al2O3.

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