Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 3, 2018
Patent Application Number
14432641
Date Filed
March 25, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
An object is to prolong the life of a cubic boron nitride cutting tool used for cutting a heat-resistant alloy. A cubic boron nitride cutting tool includes an edge tip made of a sintered cubic boron nitride compact having a thermal conductivity within the range of 20 to 70 W/m·K and including cubic boron nitride particles having an average particle diameter within the range of 0.5 μm to 2 μm; and a base metal that holds the edge tip at a corner portion of the base metal, wherein a cutting edge formed on the edge tip of the tool has a positive rake angle.
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