Cutting insert having cutting edges with recessed portions
US8556546B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Oct 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/245
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting insert has a cutting edge formed at the intersection of a side surface an end surface. Recesses formed in the side surface interrupt the cutting edge at recessed cutting edge portions. Each recessed cutting edge portion has, in an end view of the cutting insert, a curved central section located between two curved side sections. The central section has a first radius of curvature and each side section has a second radius of curvature, the first radius of curvature being larger than the second radius of curvature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.