Cutting tool and method for manufacturing same

A cutting tool includes: a base metal provided with a seat portion; a blade edge member that is a polycrystalline diamond sintered material containing polycrystalline diamond and a binder; and a brazing material that fixes the blade edge member to the seat portion of the base metal. The blade edge m...

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Bibliographic Details
Main Authors Segawa, Mayuka, Tomimoto, Hideki, Iwasaki, Hirotsugu, Watanobe, Naoki, Harada, Takashi, Kukino, Satoru
Format Patent
LanguageEnglish
Published 07.05.2024
Subjects
BORING
COMBINED OPERATIONS
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
OTHER WORKING OF METAL
PERFORMING OPERATIONS
TRANSPORTING
TURNING
UNIVERSAL MACHINE TOOLS
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Summary:A cutting tool includes: a base metal provided with a seat portion; a blade edge member that is a polycrystalline diamond sintered material containing polycrystalline diamond and a binder; and a brazing material that fixes the blade edge member to the seat portion of the base metal. The blade edge member has a thickness of greater than or equal to 0.3 mm. The brazing material is disposed between a blade edge bottom face of the blade edge member and a seat bottom face of the seat portion and is in contact with the blade edge bottom face and the seat bottom face. The flank face is located outside of the base metal with respect to the lateral face of the base metal.
Bibliography:Application Number: US202018010273