Title:
Cutting tool
Document Type and Number:
Japanese Patent JP6245564
Kind Code:
B2
Abstract:
A cutting insert for threading of the present invention includes two opposing end surfaces and a peripheral side surface extending therebetween. The peripheral side surface has a first side surface portion and a second side surface portion arranged at different positions in a circumferential direction. A cutting edge is formed at an intersecting ridgeline portion between the first end surface and the first side surface portion and at least a portion of this cutting edge has a shape corresponding to a thread groove. The second side surface portion has an inclined portion which enlarges outward from the side of the first end surface toward the side of the second end surface. This inclined portion is configured to engage with a side wall surface of a tool body so as to prevent floating of the cutting insert.
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Inventors:
Yoshisuke Daisuke
Eiichi Nunokawa
Atsushi Ogawa
Eiichi Nunokawa
Atsushi Ogawa
Application Number:
JP2017004947A
Publication Date:
December 13, 2017
Filing Date:
January 16, 2017
Export Citation:
Assignee:
Tungaloy Co., Ltd.
International Classes:
B23G5/00; B23B27/02; B23B27/06; B23B27/16; B23B29/00
Domestic Patent References:
| JP58015627A | ||||
| JP62053921U | ||||
| JP64052620U | ||||
| JP2006326755A |
Foreign References:
| US3192603 | ||||
| US3837058 | ||||
| US4050127 | ||||
| US20050176515 | ||||
| US20120107061 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito