| 发明名称 | Coated cutting tool | ||
| 摘要 | A coated cutting tool has a base material of a WC-based cemented carbide and a film formed on the surface of the base material by a chemical vapor deposition method. The coated cutting tool has a rake face, a flank face and a cutting edge ridgeline part positioned between the rake face and the flank face being provided, wherein a total film thickness of the entire film is 3 to 20 μm in an average film thickness, and one or more oblique cracks where an extension angle of the crack to the surface of the film is 45° or less are present at the rake face within 300 μm from the cutting edge ridgeline part. | ||
| 申请公布号 | US9566649(B2) | 申请公布日期 | 2017.02.14 |
| 申请号 | US201214346436 | 申请日期 | 2012.09.24 |
| 申请人 | Tungaloy Corporation | 发明人 | Hirano Yusuke |
| 分类号 | C23C16/34;B23B27/14;B23C5/16;C23C30/00;C23C16/36;C23C16/40;C23C16/56 | 主分类号 | C23C16/34 |
| 代理机构 | Womble Carlyle | 代理人 | Womble Carlyle |
| 主权项 | 1. A coated cutting tool which comprises: a base material of a WC-based cemented carbide, and a film formed on the surface of the base material by a chemical vapor deposition method, a rake face, a flank face, and a cutting edge ridgeline part positioned between the rake face and the flank face being provided, wherein: a total film thickness of the entire film is 3 to 20 μm in an average film thickness, and one or more oblique cracks where an extension angle of the crack to the surface of the film is 45° or less are present at the rake face within 300 μm from the cutting edge ridgeline part. | ||
| 地址 | Iwaki-Shi, Fukushima JP | ||