Title:
CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/146645
Kind Code:
A1
Abstract:
An insert of one embodiment includes a first surface, a second surface, and a third surface. The first surface includes a corner that is convexly curved outwards and an inclined surface. The inclined surface includes a first inclined surface, a second inclined surface, and a third inclined surface. The first inclined surface is inclined at a first angle. The second inclined surface is inclined at a second angle. The third inclined surface is inclined at a third angle. The first inclined surface has a recessed curved shape in a cross section perpendicular to the bisector of the corner, and the second inclined surface is a flat surface. The second angle is smaller than the first angle and the third angle in a cross section that includes the bisector and that is orthogonal to a reference plane.
Inventors:
SAKAI KOHEI (JP)
Application Number:
PCT/JP2019/002088
Publication Date:
August 01, 2019
Filing Date:
January 23, 2019
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14; B23B27/22
Domestic Patent References:
| WO2015119258A1 | 2015-08-13 |
Foreign References:
| JP2015208793A | 2015-11-24 | |||
| JP2017080889A | 2017-05-18 | |||
| JP2003275907A | 2003-09-30 | |||
| JPH0811007A | 1996-01-16 | |||
| JPH0617804U | 1994-03-08 |
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