Title:
硬脆材切削加工用回転切削工具
Document Type and Number:
Japanese Patent JP7140786
Kind Code:
B2
Abstract:
It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film 3 coated onto a tip end section of a tool body 1 having a chip discharge groove 2. A rake face 6 is concavely provided in a cutting edge-side chip discharge groove formation surface 4 constituting the chip discharge groove 2 of the tool body 1, from a cutting edge 5 and along the cutting edge 5.
Inventors:
Takunobu Saito
Daisaki Hideki
Hideto Watanabe
Daisaki Hideki
Hideto Watanabe
Application Number:
JP2020002789A
Publication Date:
September 21, 2022
Filing Date:
January 10, 2020
Export Citation:
Assignee:
Union Tool Co., Ltd.
International Classes:
B23C5/10; B23B27/14; B23B27/20; B23B27/22; B23C5/16
Domestic Patent References:
| JP2018103338A | ||||
| JP60044203A | ||||
| JP8099201A | ||||
| JP2015085462A | ||||
| JP2005103658A | ||||
| JP2009285760A | ||||
| JP6335806A |
Foreign References:
| DE102011076584A1 |
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii
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