Cutting insert for chip forming machining of work pieces
US5876154A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 15, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | May 15, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/245
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting insert for machining workpieces (preferably of metal) while removing the cuttings including at least one cutting edge (10) in the transition region between a rake (16) and a flank (18); the rake (16) comprises a flat face section (20) which is substantially parallel to the cutting edge (10) and several dome-shaped recesses aligned in a row and separated by gaps, the recesses being parallel to the cutting edge (10), and moulded into the face section (20) and partially penetrating the cutting edge (10). To ensure the uninterrupted removal of cuttings when short cuttings are produced, the invention proposes that a cutting form step (24) is provided on the face of the recesses opposite to the cutting edge (10). The cutting form step rises above the face section and is bounded by a bottom boundary line (26) on the cutting edge side and by a top boundary line (28) on the side away from the cutting edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.