Punching machine with spring-supported work support
US7467534B2 · kind B2 · utility
3Cited by
4References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 23, 2007 |
| Grant date | Dec 23, 2008 |
| Priority date | — |
| Expiry date | Feb 23, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D28/34
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A punching machine is provided with a tool holder for a punching tool and a die having a cutting edge which can be passed by the punching tool in a machining stroke direction and a return stroke direction. The machine includes at least one work support, supported by at least one spring element. The work support is arranged in the region of the die, and the spring force of the spring element is adjustable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.