Electrode for electrochemical machining
US6627054B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Jan 23, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H3/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Non-circular holes are formed by electrochemical machining with an electrode that includes a hollow shank having a circular cross-section and a hollow tip section having a non-circular cross-section disposed on one end of the shank. The tip section is very small in length relative to the shank such that the shank comprises a large majority of the electrode's overall length. Because the majority of the electrode is circular in cross-section, it is relatively easy to straighten the electrode prior to a machining operation and to keep it straight during the operation, thereby overcoming problems experienced with full-length, non-circular electrodes. The circular shank also avoids electrolyte pressure imbalances and eases the difficulty and high cost of manufacturing electrodes capable of forming non-circular holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.