Coated cutting insert for rough turning

Details Coated cutting insert for rough turning Coated cutting insert for rough turning

2006-11-14

2006-11-14

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C051S307000, C051S309000, C407S119000, C428S212000, C428S336000, C428S472000, C428S325000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

07135221

ABSTRACT:
A cutting tool insert with a cemented carbide and a coating. The cemented carbide substrate includes WC, 7 to 12 wt-% Co, 5 to 11 wt-% cubic carbides of metals from the groups IVb, Vb and VIb with a binder phase that is highly alloyed with cobalt. The tungsten carbide phase has a mean intercept length of 0.7 to 1.4 μm. The coating includes at least one 2 to 12 μm thick α-Al2O3layer composed of columnar grains with texture coefficients: TC(012)>2.2 and TC(024)>0.6×TC(012).

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