Title:
切削工具及び工具本体
Document Type and Number:
Japanese Patent JP6524590
Kind Code:
B2
Abstract:
A cutting tool including: a tool body (2) provided with an insert support seat (5) including a major seat surface (5a) that supports a bearing surface of a cutting insert, a plurality of seat side surfaces (5b, 5c) that supports side surfaces of the cutting insert at different positions, and a thinned portion (5d) continuous with the major seat surface and the seat side surfaces; and a cutting insert attached to the insert support seat, wherein a ridge at a position where the major seat surface and the thinned portion intersect, a ridge at a position where the seat side surface and the thinned portion intersect, and a ridge at a position where the thinned portions continuous with each other intersect are each formed of a convex arc curved surface.
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Inventors:
Yusuke Koike
Hiroki Matsubara
Katsuya Nakagihara
Atsuhiko Maeda
Hiroki Matsubara
Katsuya Nakagihara
Atsuhiko Maeda
Application Number:
JP2015553688A
Publication Date:
June 05, 2019
Filing Date:
June 03, 2015
Export Citation:
Assignee:
Sumitomo Electric Hardmetal Corp.
International Classes:
B23C5/06; B23C5/22
Domestic Patent References:
| JP11230286A | ||||
| JP2006010591A | ||||
| JP7251302A | ||||
| JP2010523352A | ||||
| JP2000503913A |
Foreign References:
| WO2014088008A1 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa