发明授权
- 专利标题: Cutting tool
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申请号: US18026595申请日: 2022-08-30
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公开(公告)号: US11975391B2公开(公告)日: 2024-05-07
- 发明人: Fumiyoshi Kobayashi , Anongsack Paseuth , Haruko Harada
- 申请人: Sumitomo Electric Industries, Ltd.
- 申请人地址: JP Osaka
- 专利权人: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- 当前专利权人: SUMITOMO ELECTRIC INDUSTRIES, LTD.
- 当前专利权人地址: JP Osaka
- 代理机构: XSENSUS LLP
- 国际申请: PCT/JP2022/032595 2022.08.30
- 进入国家日期: 2023-03-16
- 主分类号: B23B27/14
- IPC分类号: B23B27/14 ; B23B27/16 ; E21B10/46
摘要:
A cutting tool including a substrate and a coating film disposed on the substrate, wherein the cutting tool includes: a rake face, a flank face contiguous to the rake face; and a cutting edge region composed of a boundary part between the rake face and the flank face, wherein the coating film includes a TiSiCN layer, the TiSiCN layer has: a first TiSiCN layer positioned in the rake face; and a second TiSiCN layer positioned in the cutting edge region, the first TiSiCN layer has a composition of Ti(1-Xr)SiXrCN, the second TiSiCN layer has a composition of Ti(1-Xe)SiXeCN, and the Xr and the Xe each represent 0.010 or more and 0.100 or less, and satisfy a relationship of Xr−Xe≥0.003.
公开/授权文献
- US20240066605A1 CUTTING TOOL 公开/授权日:2024-02-29
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