Numerical control apparatus and control method of machine tool
US6597968B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Aug 2, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A numerical control apparatus of a machine tool capable of shortening a machining time while maintaining a machining precision of a workpiece, provided with an analyzer for analyzing a machining program defining machining process of a workpiece by the machine tool to extract information for specifying a feed speed of a cutting tool to the workpiece and cutting/non-cutting information for defining actual cutting by the cutting tool added to a cutting feed command program from the cutting feed command program contained in this machining program, a feed speed optimizer for calculating a permissible feed speed of the cutting tool in accordance with content of the cutting/non-cutting information based on the extracted information and optimizing the feed speed of the cutting tool so as to be within the permissible feed speed, and a distribution unit for calculating control commands to be distributed to the control axes of the machine tool based on the optimized feed speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.