Numerical control system for moving work or cutter in synchronism with the rotation of a spindle
US5144214A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1990 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | May 22, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/41207
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a numerical control system which controls the rotational angle of a spindle in a numerically controlled machine and tool in synchronism with the position of a feed axis based on a data table storing information for positional commands for the feed axis in correspondence with the rotational angle of the spindle, a universal purpose turning operation is effected at a higher efficiency by generating a marker pulse when a value set by counting the pulses in A- and B-phases from a spindle pulse generator has reached a pre-set value, and by controlling synchronization during synchronized operation, based on the marker pulse instead of the marker phase pulse from the spindle pulse generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.