Invention Grant
- Patent Title: Cutting tool
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Application No.: US14410572Application Date: 2013-06-27
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Publication No.: US09643257B2Publication Date: 2017-05-09
- Inventor: Yoshiki Sakamoto
- Applicant: KYOCERA Corporation
- Applicant Address: JP Kyoto-Shi, Kyoto
- Assignee: KYOCERA CORPORATION
- Current Assignee: KYOCERA CORPORATION
- Current Assignee Address: JP Kyoto-Shi, Kyoto
- Agency: Viering, Jentschura & Partner mbB
- Priority: JP2012-144360 20120627
- International Application: PCT/JP2013/067687 WO 20130627
- International Announcement: WO2014/003131 WO 20140103
- Main IPC: B23B27/14
- IPC: B23B27/14 ; C23C14/06 ; C23C28/04 ; C23C28/00 ; C23C14/32

Abstract:
[Object] To provide a cutting tool having good chipping resistance and good wear resistance.[Solution] Provided is a cutting tool 1 including a base body 2 whose surface is coated with a coating layer 6 made of CraM1-a (C1-xNx) (here, M is at least one element selected from Ti, Al, Si, W, Mo, Ta, Hf, Nb, Zr, and Y, 0.01≦a≦0.4, and 0≦x ≦1), a cutting edge 5 is formed on an intersection ridgeline between a rake face 3 and a flank face 4, and the coating layer 6 for the cutting edge 5 has a Cr content ratio greater than a Cr content ratio of the coating layer 6 for the flank face 4.
Public/Granted literature
- US20150328690A1 CUTTING TOOL Public/Granted day:2015-11-19
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