CUTTING INSERT, CUTTING TOOL, AND METHOD FOR PRODUCING CUT PRODUCING USING SAME

WIPO Patent Application WO/2012/147924

A1

This cutting insert is provided with a polygonal top surface, a bottom surface having the same shape as the top surface, and an top cutting blade located at a point in which the top surface and a side surface intersect, wherein: the top surface is alternately provided with three main corners having first inner corners and three sub corners having second inner corners which are bigger than the first inner corners; and the top cutting blade is provided, from the first main corner to the first and second sub corners and in the following order, a corner cutting blade, a sub cutting blade tilted at a first tilt angle towards the bottom surface relative to a perpendicular plane that is perpendicular to a central axis with increasing distance from the corner blade, and a main cutting blade tilted at a second tilt angle that is larger than the first tilt angle with increasing distance from the sub cutting blade. Provided are a cutting tool provided with the aforementioned cutting insert and a method for producing a cut product by using said cutting tool.

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KOGA KENICHIROU (JP)
SHIBATA MASAHIRO (JP)

PCT/JP2012/061392

November 01, 2012

April 27, 2012

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KYOCERA CORP (JP)
KOGA KENICHIROU (JP)
SHIBATA MASAHIRO (JP)

B23C5/20; B23C5/06

WO2007142224A1

2007-12-13

JP2010523352A	2010-07-15
JP2002046010A	2002-02-12
JP2009533235A	2009-09-17
JP2010532271A	2010-10-07
JPH08323510A	1996-12-10

FUKAI, Toshikazu (JP)
Toshikazu Fukai (JP)

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