Title:
切削工具
Document Type and Number:
Japanese Patent JP6841841
Kind Code:
B2
Abstract:
A cutting tool according to an aspect of the present disclosure includes a shank, a joint, and a cutting portion attached through the joint to the shank. The cutting portion includes a core and a surface portion. The surface portion is disposed around a central axis of the cutting portion to cover an outer circumferential surface of the core. The surface portion includes a cutting edge. The cutting edge is disposed on an outer circumferential surface of the surface portion and formed in a helical shape about the central axis. The surface portion is a composite sintered material including a hard phase formed of a plurality of diamond particles and a plurality of cubic boron nitride particles, and a binder phase forming the remainder.
Inventors:
Yusuke Matsuda
Higashi Taisuke
Akatsuki Kukino
Takashi Kanda
Katsumi Okamura
Higashi Taisuke
Akatsuki Kukino
Takashi Kanda
Katsumi Okamura
Application Number:
JP2018550902A
Publication Date:
March 10, 2021
Filing Date:
November 15, 2016
Export Citation:
Assignee:
Sumitomo Electric Hardmetal Corp.
Sumitomo Electric Industries, Ltd.
Sumitomo Electric Industries, Ltd.
International Classes:
B23D77/00; B22F7/00; B23B27/14; B23B27/20; B23C5/10; B23C5/16; C22C1/05; C22C26/00; C22C29/06; C22C29/08
Domestic Patent References:
| JP11291111A | ||||
| JP6508566A | ||||
| JP62040340A | ||||
| JP60043461A | ||||
| JP7185907A | ||||
| JP61000506A |
Foreign References:
| WO2015105159A1 |
Attorney, Agent or Firm:
Fukami patent office