Indexable turning insert and a cutting tool comprising such an insert
US7972090B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2008 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Mar 27, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/235
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An indexable turning insert includes two opposing larges sides formed by a support center part and a plurality of cutting parts projecting outwardly therefrom, each having a cutting edge extending between the sides and being spaced apart around the outer perimeter of the center part for indexing, has four the cutting parts. Each cutting part has a clearance side extending on one of the sides of the insert from the cutting edge of the cutting part towards the center part while making clearance angles in two dimensions with respect to the cutting edge, and the cutting edge of each cutting part makes an angle being below 90° by less than the clearance angles with the other of the sides of the insert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.