Title:
切削インサートと正面フライスカッタ
Document Type and Number:
Japanese Patent JP6524591
Kind Code:
B2
Abstract:
A cutting insert comprising a cutting edge (4) formed by an intersection ridge between a rake face (5) and a side face (6), the cutting edge including a major cutting edge (4a), a flat cutting edge (4c), and a chamfer edge (4b) disposed between the major cutting edge and the flat cutting edge, wherein in a direct view of a side face near the flat cutting edge, a ratio of installation area length L2 of the chamfer edge to installation area length L3 of the major cutting edge is L2 : L3 = 2 : 8 to 5 : 5, and inclination angle ¸ 1 of the chamfer edge (4b) with respect to the flat cutting edge (4c) and inclination angle ¸ 2 of the major cutting edge (4a) with respect to the flat cutting edge (4c) are set to have a relationship of ¸ 1 <¸ 2 .
Inventors:
Yusuke Koike
Hiroki Matsubara
Tamura Takumi
Atsuhiko Maeda
Hiroki Matsubara
Tamura Takumi
Atsuhiko Maeda
Application Number:
JP2015553689A
Publication Date:
June 05, 2019
Filing Date:
June 22, 2015
Export Citation:
Assignee:
Sumitomo Electric Hardmetal Corp.
International Classes:
B23C5/20; B23C5/06; B23C5/16
Domestic Patent References:
| JP2004255521A | ||||
| JP8141822A | ||||
| JP2013078842A | ||||
| JP2014091178A | ||||
| JP2008006579A |
Foreign References:
| GB951624A |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa