Cubic boron nitride cutting tool

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United States of America Patent

PATENT NO 10010940
SERIAL NO

14432641

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC HARDMETAL CORPITAMI-SHI HYOGO 664-0016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirano, Tsutomu Itami, JP 16 106
Okamura, Katsumi Itami, JP 99 408
Watanobe, Naoki Itami, JP 35 90

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