ROTATING TOOL |
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| 申请号 | US15552644 | 申请日 | 2016-02-15 | 公开(公告)号 | US20180029145A1 | 公开(公告)日 | 2018-02-01 |
| 申请人 | Sumitomo Electric Industries, Ltd.; | 发明人 | Paer Christoffer Arumskog; Yoshiharu Utsumi; | ||||
| 摘要 | It is an object to provide a rotating tool having an excellent wear resistance. The rotating tool includes: a base member including a cutting edge portion and a flute portion; and a coating film that coats a surface of the base member, a ratio B/A of a film thickness B of the coating film coating a surface of the flute portion to a film thickness A of the coating film coating a surface of the cutting edge portion being not less than 0.8. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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