PVD-coated cutting tool insert

Details PVD-coated cutting tool insert PVD-coated cutting tool insert

2005-04-26

2005-04-26

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C428S336000, C428S472000, C428S697000, C428S698000, C428S699000

Reexamination Certificate

active

06884497

ABSTRACT:
A coated cemented carbide insert (cutting tool), particularly useful for milling at high cutting speeds in alloyed steels, tool steels and milling in hardened steels includes a WC—Co cemented carbide containing NbC and TaC and a W-alloyed binder phase, and a coating including an inner layer of TixAlyN, 0.8<x+y<1.2, with 0.25<x/y<1.45, with columnar grains.

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