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1. (WO2018123133) CUTTING TOOL AND METHOD FOR MANUFACTURING SAME

Pub. No.:    WO/2018/123133    International Application No.:    PCT/JP2017/030321
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Fri Aug 25 01:59:59 CEST 2017
IPC: B23B 27/20
B23B 27/14
B23C 5/10
B23C 5/16
B23P 15/34
Applicants: SUMITOMO ELECTRIC HARDMETAL CORP.
住友電工ハードメタル株式会社
Inventors: HARADA, Gaku
原田 岳
TANIGAWA, Yoshinori
谷川 義則
KUKINO, Satoru
久木野 暁
Title: CUTTING TOOL AND METHOD FOR MANUFACTURING SAME
Abstract:
A cutting tool according to an embodiment of the present disclosure is provided with a blade tip that includes cubic boron nitride and/or polycrystalline diamond. The blade tip has a rake surface, a flank surface, and a cutting blade. The flank surface is continuous with the rake surface. The cutting blade is provided at the ridgeline of the rake surface and the flank surface. The curvature radius of the cutting blade is 2-8 μm.