Small hole electrical discharge machining method and small hole electrical discharge machining apparatus
US6576858B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2002 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jan 24, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H2400/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A small hole electrical discharge machining apparatus, including: a slide base; a Z axis slide freely positionable in a vertical direction, the Z axis slide being provided on the slide base; an electrode holding member for holding an upper portion of a stick-shaped or pipe-shaped electrode, the electrode holding member being provided on the Z axis slide so as to be freely rotatable; an electrode guiding member for guiding a lower portion of the electrode, the electrode guiding member being provided on the slide base; and an electrode motor for rotatively driving the electrode holding member, the electrode motor being provided on the Z axis slide. Moreover, the electrode holding member is provided with a jet nozzle for guiding the electrode by use of a water jet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.