Power supply circuit for discharge machining
US5111017A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Aug 7, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H2300/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power supply circuit for discharge machining comprising a first switching means for supplying a d-c power voltage to a discharge gap between a discharge machining electrode and a workpiece, a first energy consumption circuit having a second switching means provided on the output side of the first switching means, and a second energy consumption circuit having a third switching means provided in the vicinity of the discharge gap in parallel therewith, in which the second switching means of the first energy consumption circuit and the third switching means of the second energy consumption circuit are caused to conduct after the first switching means is turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.