Title:
超硬合金製切断刃
Document Type and Number:
Japanese Patent JP7142802
Kind Code:
B2
Abstract:
This cemented carbide cutting blade 1 comprises a base portion 110 and a blade portion 120 which is disposed on an extension line of the base portion 120 and which has a cutting edge 121 at the tip thereof. Said cutting blade has a Vickers hardness HV of 1250-2030. When the thickness of the blade portion 120 at a position 1 μm away from the blade tip 121t toward the base portion 110 is defined as T1 μm, and the thickness of the blade portion 120 at a position 3 μm away from the blade tip 121 toward the base portion 110 defined as T2 μm, T1 is 0.4-1.3, and 3.22T1≤T2≤1.11T1+2.76 is satisfied when T1 falls within the range of 0.4-1.3.
Inventors:
Atsushi Kobayashi
Takehiko Hayashi
Takehiko Hayashi
Application Number:
JP2022500072A
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