Title:
CUTTING TOOL
Document Type and Number:
Japanese Patent JP2021122934
Kind Code:
A
Abstract:
To provide a cutting tool capable of achieving good electrical conduction between a tool substrate and work material even if the tool substrate is coated with a diamond film, and accurately performing control of depth of drilling and breakage detection using electrical conduction.SOLUTION: An electroconductive film 3 is provided to a diamond film 2 at a site that will make contact with work material or around the site so as to conduct electricity with a tool substrate 1.SELECTED DRAWING: Figure 2
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Inventors:
OHORI TETSUTARO
Application Number:
JP2020198714A
Publication Date:
August 30, 2021
Filing Date:
November 30, 2020
Export Citation:
Assignee:
UNION TOOL KK
International Classes:
B23B27/14; B23B27/20; B23B51/00; C23C14/14; C23C16/27
Domestic Patent References:
| JP2016034673A | 2016-03-17 | |||
| JP2006152424A | 2006-06-15 | |||
| JP2009280853A | 2009-12-03 | |||
| JP2002120129A | 2002-04-23 | |||
| JP2020069571A | 2020-05-07 |
Foreign References:
| WO2019065706A1 | 2019-04-04 |
Attorney, Agent or Firm:
Tsuyoshi Yoshii