Title:
CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUTTING WORKPIECE
Document Type and Number:
WIPO Patent Application WO/2015/098917
Kind Code:
A1
Abstract:
One embodiment of a cutting insert has a rod-shaped body part extending along one direction, and a cutting part extending, as viewed from above, from one end of the body part in a direction intersecting the first direction. The cutting part has: a top surface; a bottom surface; a front side surface between the top surface and the bottom surface, the front side surface being positioned at an end side set apart from the body part; a cutting blade provided on the ridgeline where the top surface and the front side surface intersect; and a breaker projection formed on the top surface and extending toward the cutting blade; the breaker projection extending, as viewed from above, so as to curve toward the other end side of the body part while separating from the cutting blade.
Inventors:
ISHIDA TAKUYA (JP)
Application Number:
PCT/JP2014/084052
Publication Date:
July 02, 2015
Filing Date:
December 24, 2014
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/22; B23B27/04
Domestic Patent References:
| WO2012117791A1 | 2012-09-07 |
Foreign References:
| JP2003525134A | 2003-08-26 | |||
| JP2002500111A | 2002-01-08 | |||
| JP2006130608A | 2006-05-25 |
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