Correction selection device
US4330831A · kind A · utility
8Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 1979 |
| Grant date | May 18, 1982 |
| Priority date | — |
| Expiry date | Oct 19, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a numerically controlled machine tool including a scale, a scanning unit, and a programmable controller a switch is provided to designate the tool correction to be applied to compensate for variations in tool dimensions. This switch has a first position, in which the controller is directed to lengthen the tool path length by an amount corresponding to the tool correction, a second position, in which the controller is directed to shorten the tool path length by an amount corresponding to the tool correction, and a third position, in which the controller is directed to apply no tool corrections to the tool path length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.