Process and apparatus for determining the electroerosive completion of a starting hole
US4767903A · kind A · utility
11Cited by
14References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1985 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Dec 24, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H9/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The completion of a starting hole produced by spark erosion in a workpiece by use of a starter electrode in an electroerosion machine is automatically detected by a sudden change in a sensed process parameter when the starter electrode has passed through the workpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.