Method and apparatus for producing forked roots of turbine blades
US6893195B2 · kind B2 · utility
3Cited by
13References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 2003 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Nov 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/309408
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
For producing forked roots of turbine blades, the turbine blades are, in a first step, roughed-in and smoothed (finished) on their outer faces in a single operation with two rigidly coupled disk milling cutters that are provided hard metal cutter inserts. In a second step, the forked root is formed with fingers by a set of rigidly coupled disk milling cutters that are provided with hard metal cutter inserts. The disk milling cutters form slots in the forked root. All of the slots are simultaneously opened (roughed-in) and smoothed (finished), the slots having parallel walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.