Title:
CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT WORKPIECE
Document Type and Number:
WIPO Patent Application WO/2018/159499
Kind Code:
A1
Abstract:
A cutting insert based on the present disclosure is provided with a first member and a second member joined to the first member. The second member has: an upper surface having a first edge, a second edge, and a corner part; a side surface adjacent to the upper surface; and a ridge part positioned at the intersection of the upper surface and the side surface. The upper surface has an edge part, a protruding part that is positioned further inward than the edge part and that protrudes upward, and a first groove positioned between the edge part and the protruding part. In a top view, a first width W1 of the first groove in a direction perpendicular to a bisector of the corner is less than a second width W2 of the protruding part in the direction perpendicular to the bisector.
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Inventors:
IKEDA YOSHIHITO (JP)
Application Number:
PCT/JP2018/006775
Publication Date:
September 07, 2018
Filing Date:
February 23, 2018
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B23B27/22; B23B27/14; B23B27/18
Domestic Patent References:
WO2011122242A1 | 2011-10-06 | |||
WO2016035490A1 | 2016-03-10 | |||
WO2016136949A1 | 2016-09-01 |
Foreign References:
JPH0362708U | 1991-06-19 | |||
JP2006110666A | 2006-04-27 | |||
JP2005288613A | 2005-10-20 | |||
JPH10128604A | 1998-05-19 | |||
JPH1110412A | 1999-01-19 |
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