Method for electrical discharge machining of a work in roll form
US4247748A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 25, 1978 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Oct 25, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H9/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There is disclosed a method for giving by electrical discharge machining a uniform satin finish to the roll surface of a work in roll form in a short period of time. To prevent the occurrence of any streaky pattern on the satin finish work surface, a plurality of divided electrodes, which are divided and arranged at predetermined spaces, are each fed traversely a distance corresponding to the electrode mounting pitch while maintaining the predetermined spacing between the electrodes. To improve the working efficiency, a plurality of rows of divided electrodes are provided, and by virtue of this improved working efficiency, the required satinizing electrical discharge machining of two or four rolls for use on a rolling mill can be completed within the life time of the satinized rolls being used on the rolling mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.