Coated grooving or parting insert

Details Coated grooving or parting insert Coated grooving or parting insert

2006-06-08

2008-01-01

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C427S255120, C427S255360, C427S255290, C427S368000, C427S355000, C428S195100, C428S323000, C428S469000, C428S472000, C428S698000, C428S699000, C428S701000, C428S702000

Reissue Patent

active

RE039986

ABSTRACT:
The present invention relates to a coated cutting tool insert useful for grooving or severing steel components such as steel or stainless steel tubes and bars. The insert is characterized by WC—Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a relatively thin coating including an inner layer of TiCxNyOzwith columnar grains followed by a layer of fine grained κ—Al2O3and a top layer of TiN.

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