High-feed cutting insert and cutting tool equipped with same
US11117202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2018 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Aug 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2210/168
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present disclosure's technical object is to provide a high feed cutting insert capable of providing a sufficient entering angle while ensuring rigidity of a cutting tool's bottom part. For this, the high feed cutting insert of the present disclosure comprises a short cutting edge provided on a boundary portion between a main surface and a short side surface, a long cutting edge provided on a boundary portion between the main surface and a long side surface, two ascending corner cutting edges connecting the short cutting edge and the long cutting edge, and placed on one diagonal position, and two descending corner cutting edges placed on the other diagonal position and having the height lower than that of the ascending corner cutting edges, wherein the short cutting edge and the long cutting edge, when viewed towards the main surface, form an obtuse angle while the ascending corner cutting edges are interposed therebetween and form an acute angle while the descending corner cutting edges are interposed therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.