Cutting tool insert
US7736734B2 · kind B2 · utility
14Cited by
7References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Nov 5, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a cutting tool insert for metal machining comprising a substrate with a first coating and an outermost PVD-layer. The insert further comprises clearance faces and rake faces intersecting to form cutting edges having essentially no edge radius. The first coating has been removed so that the outermost PVD-layer is the only layer on the clearance face at least close to the cutting edge. The present invention also relates to a method of making such an insert. The inserts according to the present invention gives an increased tool life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.