Title:
CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT WORKPIECE
Document Type and Number:
WIPO Patent Application WO/2019/004030
Kind Code:
A1
Abstract:
A cutting insert according to one embodiment of the present invention is provided with a base part and a cutting part. The cutting part has an upper surface, a first side surface, and a second side surface. The upper surface has a top surface region and a rising surface region. A ridge line at which an upper surface and a first side surface intersect is designated as a first ridge line, a ridge line at which the upper surface and a second surface intersect is designated as a second ridge line, and a portion at which the first ridge line and the second ridge line intersect is designated as an intersection point. In a top view, the rising surface region has a convex shape toward the intersection point, the clearance from the first ridge line increases along a direction from a first end toward the intersection point, and the clearance from the second ridge line increases along a direction from the intersection point toward the second ridge line.
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| WO/2008/117822 | CUTTING INSERT AND CUTTING TOOL, AND WORK CUTTING METHOD USING THE SAME |
| JP2004237368 | THROW-AWAY TIP AND CUTTING TOOL |
Inventors:
FUKUHARA YOUSUKE (JP)
Application Number:
PCT/JP2018/023499
Publication Date:
January 03, 2019
Filing Date:
June 20, 2018
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/22; B23B27/04; B23B27/14
Domestic Patent References:
| WO2015129836A1 | 2015-09-03 |
Foreign References:
| JPH10217008A | 1998-08-18 | |||
| JPH04146008A | 1992-05-20 | |||
| JP6052455B1 | 2016-12-27 | |||
| JP6066005B1 | 2017-01-25 |
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