Numerical control method
US4366689A · kind A · utility
7Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1980 |
| Grant date | Jan 4, 1983 |
| Priority date | — |
| Expiry date | Mar 3, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
This invention relates to a numerical control method for a press brake or the like. The back stopper is positioned by driving the motor. In the case where it is impossible to bend a working piece because the back stopper interferes with the working piece, the back stopper is retracted with the lid of a retraction instruction and a back stopper position data. Before the back stopper is retracted, the working piece is held by the punch. The program data of each process can be confirmed by using suitable display units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.