Title:
CUTTING INSERT, CUTTING TOOL, AND MANUFACTURING METHOD FOR CUT WORKPIECE
Document Type and Number:
WIPO Patent Application WO/2019/069916
Kind Code:
A1
Abstract:
A cutting insert according of one embodiment comprises a first surface, a second surface, a third surface, and a land surface. The first surface has a polygonal shape and has a first corner and a first side. The land surface has a first land surface and a second land surface. The width W12 at an end section of the first land surface on the second land surface side is smaller than the width W11 at a portion of the first land surface connected to a center portion of the first corner. The width 21 at an end section of the second land surface on the first land surface side is smaller than the width W22 at an end section of the second land surface on the side opposite to the first land surface side.
Inventors:
IKEDA YOSHIHITO (JP)
Application Number:
PCT/JP2018/036868
Publication Date:
April 11, 2019
Filing Date:
October 02, 2018
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/14
Domestic Patent References:
| WO2012023325A1 | 2012-02-23 |
Foreign References:
| JPH08155702A | 1996-06-18 | |||
| JPH02139003U | 1990-11-20 | |||
| JP2002192407A | 2002-07-10 | |||
| JP2002046002A | 2002-02-12 | |||
| US20060228179A1 | 2006-10-12 |
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