Title:
超硬合金製切断刃
Document Type and Number:
Japanese Patent JP7142801
Kind Code:
B2
Abstract:
A cemented carbide cutting blade according to the present invention comprises a base section, and a blade section that is provided along a line extending from the base section and has a blade edge which is a leading-edge portion, wherein a Vickers hardness HV is 1250-2030, inclusive, the thickness of the blade section at a position 1 µm towards the base section from the blade edge is set to be T1 µm, the thickness of the blade section at a position 3 µm towards the base section from the blade edge is set to be T2 µm, T1 is 0.6-2.2, inclusive, T1+0.6≤T2≤(10/3)T1-0.4 when T1 is in the range of 0.6 to 0.9, and T1+0.6≤T2≤(15/13)T1+(39/25) when T1 is in the range of 0.9 to 2.2.
Inventors:
Atsushi Kobayashi
Takehiko Hayashi
Takehiko Hayashi
Application Number:
JP2022500068A
Publication Date:
September 27, 2022
Filing Date:
June 03, 2021
Export Citation:
Assignee:
Allied Material Co., Ltd.
International Classes:
B26D1/06; B23D35/00; B26D1/00; H01G4/30; H01G13/00
Domestic Patent References:
| JP201794474A | ||||
| JP20201164A | ||||
| JP201271374A | ||||
| JP2719221B2 | ||||
| JP4183080B2 | ||||
| JP2020185648A |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office