Title:
切削インサート、切削工具及び切削加工物の製造方法
Document Type and Number:
Japanese Patent JP7204882
Kind Code:
B2
Abstract:
A cutting insert may include an upper surface, a lower surface, a front lateral surface and a rear lateral surface. The upper surface may include a first upper cutting edge and an upper constraining surface. The lower surface may include a first region, a second region and a third region. The first region may be located on a side opposite to the upper constraining surface. The second region may be located closer to the front lateral surface than the first region. The third region may be located closer to the rear lateral surface than the first region. A wedge angle of the first region may be a first angle, a wedge angle of the second region may be a second angle, and a wedge angle of the third region may be a third angle. The first angle may be smaller than each of the second angle and the third angle.
Inventors:
Toru Muranishi
Application Number:
JP2021505017A
Publication Date:
January 16, 2023
Filing Date:
March 06, 2020
Export Citation:
Assignee:
Kyocera Corporation
International Classes:
B23B27/14; B23B27/04; B23B27/16
Domestic Patent References:
| JP2006167874A | ||||
| JP2011520630A |
Foreign References:
| US5360298 |
Attorney, Agent or Firm:
Buna International Patent Office
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