Title:
INSERT, CUTTING TOOL, AND METHOD FOR CUTTING WORKPIECE USING SAID CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2021/117873
Kind Code:
A1
Abstract:
Provided is a cutting insert that has an upper face, a lateral face continued from the upper face, and a cutting blade positioned on a boundary between the upper face and the lateral face. The upper face has a corner portion positioned at a corner, an edge portion continued from the corner portion, a scoop face extending along the corner portion and the edge portion, and a rising face spaced apart from the cutting blade across the scoop face. The scoop face has a first scoop face along the corner portion, and a second scoop face along the edge portion. The rising face has a first region positioned on a line bisecting the corner portion, and a second region continued from the first region. The second scoop face has the width thereof becoming gradually reduced with increasing distance from the first scoop face in a plan view. The angle of inclination of the first region is greater than the angle of inclination of the second region.
Inventors:
IKEDA YOSHIHITO (JP)
Application Number:
PCT/JP2020/046299
Publication Date:
June 17, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; B23B27/22
Domestic Patent References:
| WO2014192798A1 | 2014-12-04 |
Foreign References:
| JPH0852604A | 1996-02-27 | |||
| JP2008207312A | 2008-09-11 |
Attorney, Agent or Firm:
IIJIMA, YASUHIRO (JP)
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