Cutting insert and cutting tool having the same
US10086447B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Aug 29, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2210/0457
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting insert and a cutting tool having same are provided. The cutting insert includes an upper surface, a lower surface having a flat surface, side surfaces connecting to each of the upper surface and the lower surface, and cutting edges being formed by the upper surface and the side surfaces. A first cutting edge among the cutting edges is inclined downward. A major side surface among the side surfaces comprises a first major side surface connected to the upper surface so as to constitute the first cutting edge, and a second major side surface connected to the first major side surface and the lower surface. The first major side surface has a reversely positive surface, and the second major side surface has a reversely positive surface or a negative surface, and a minor side surface among the side surfaces has a positive surface or a negative surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.