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US 5,984,593 AGranted
Cutting insert for milling titanium and titanium alloys
AssigneeKennametal Inc.
InventorWilliam A. Bryant
Life of this patent
Estimating the term…
Abstract
A cutting tool for milling titanium and titanium alloys which includes a substrate that comprises tungsten carbide and cobalt. The substrate further includes cobalt in the range of between 5.7 to 6.3 weight percent and chromium in the range of between 0.3 and 0.5 weight percent. The cutting tool has a coating of tungsten carbide applied to the substrate by physical vapor deposition.
Claims20
A cutting tool for milling titanium and titanium alloys comprising:
- a substrate comprising tungsten carbide and cobalt, and the substrate further including cobalt in the range of between 5.7 to 6.3 weight percent and chromium in the range of between 0.3 and 0.5 weight percent;
- and
- a coating of tungsten carbide applied to the substrate by physical vapor deposition.
A cutting tool for milling titanium and titanium alloys comprising:
- a substrate comprising tungsten carbide and cobalt wherein the cobalt ranges between 5.7 and 6.3 weight percent;
- a tip brazed to the substrate;
- and
- a coating of tungsten carbide applied by physical vapor deposition to the tip.
1 more element
A cutting tool for milling titanium and titanium alloys comprising:
- a substrate comprising tungsten carbide and cobalt wherein the cobalt ranges between 5.7 and 6.3 weight percent;
- and
- a tip brazed to the substrate wherein the tip comprises PVD tungsten carbide.
Dependencies are inferred from the claim text.