Cutting insert with chip control
US4957396A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1988 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Sep 30, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/24
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved cutting insert with chip control features having an insert body having wall regions, sides and top and bottom walls adapted for mounting in a pocket in a holder. The insert body has cutting edges and a diagonal notch or the like in the top and bottom sides. A land region extends rearwardly from the end wall region toward the respective top or bottom wall and defines a surface region of a predetermined width. An ascending wall or back ramp initiates in a portion of the land and terminates at the respective top or bottom wall. A chipbreaker depression initiates in a forward portion of the land proximate the cutting edge and extends into and bisects the back ramp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.