Title:
CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT PRODUCT USING CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2013/001907
Kind Code:
A1
Abstract:
The cutting insert according to an embodiment of the present invention is configured in such a manner that an upper cutting edge comprises, in order from a first corner toward a second corner: a corner cutting edge; a secondary cutting edge tilted from the corner cutting edge at a first tilt angle with reference to a perpendicular plane which is perpendicular to the center axis penetrating through the upper and lower faces; and a primary cutting edge tilted from the secondary cutting edge toward the lower face side at a second tilt angle with reference to the perpendicular plane, the second tilt angle being greater than the first tilt angle of the secondary cutting edge. A cross-section of a rake face taken along the direction of the center axis at the end of the rake face which is located on the inner side has a rectilinear or recessed shape in a region bridging at least a secondary rake face and a primary rake face. A cutting tool provided with the cutting insert and a method for manufacturing a cut product using the cutting tool are also provided.
Inventors:
KOGA KENICHIROU (JP)
Application Number:
PCT/JP2012/061391
Publication Date:
January 03, 2013
Filing Date:
April 27, 2012
Export Citation:
Assignee:
KYOCERA CORP (JP)
KOGA KENICHIROU (JP)
KOGA KENICHIROU (JP)
International Classes:
B23C5/20; B23B27/14; B23C5/06
Domestic Patent References:
| WO2007142224A1 | 2007-12-13 |
Foreign References:
| JP2002046010A | 2002-02-12 | |||
| JP2011093043A | 2011-05-12 | |||
| JP2010523352A | 2010-07-15 | |||
| JPH11333616A | 1999-12-07 |
Other References:
See also references of EP 2727672A4
Attorney, Agent or Firm:
FUKAI, Toshikazu (JP)
Toshikazu Fukai (JP)
Toshikazu Fukai (JP)
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Claims: