Electro discharge machining a passage using a backing member
US7126075B2 · kind B2 · utility
1Cited by
16References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2003 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Dec 2, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H9/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for electro discharge machining a passage through a work piece using a hollow electro discharge machining electrode and a corresponding flushing agent supplied via the hollow electrode. A backing member is positioned abutting the exit face of the work piece so that at break through the path of the flushing agent is not disrupted. The backing member positioned such that it forms a fluid tight seal with the work piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.