Title:
切削インサートおよび切削工具、並びに切削加工物の製造方法
Document Type and Number:
Japanese Patent JP6659676
Kind Code:
B2
Abstract:
In an embodiment, a cutting insert including a base member, a first face, a second face, a cutting edge, and a nose portion. The base member includes a coating layer on at least a part thereof. The first face has corner portions. The second face is adjacent to the first face. The cutting edge is on at least a part of the ridgeline portion of the first face and the second face, and includes first and second cutting edges. The first cutting edge is on the coating layer and has a C chamfered surface with a first width of 5 μm to 30 μm in the front view of the first face and a chamfer angle of 35° to 50°. The nose portion is at the corner portions between the first cutting edge and the second cutting edge.
Inventors:
Mitsuru Hasegawa
Application Number:
JP2017520267A
Publication Date:
March 04, 2020
Filing Date:
March 18, 2016
Export Citation:
Assignee:
Kyocera Corporation
International Classes:
B23B27/14
Domestic Patent References:
| JP2008142890A | ||||
| JP8155702A | ||||
| JP2002192407A |
Foreign References:
| WO2011122553A1 |