Focusing head for a laser-beam cutting machine
US4618758A · kind A · utility
18Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1985 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | May 21, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a focusing head 1 for a laser-beam cutting machine on which the head is designed to turn, in relation to the machine structure 4, around two axes combining to form an angle, the head consisting of two portions 15, 24 one of which 24 is provided with an output nozzle 43 and a focusing lens 42 and moves axially in relation to the other by means of a servomechanism 49 controlled by a position sensor 46 in sliding contact with the sheet material 3 being cut, the sensor 46 being tubular, being assembled in sliding manner on to the end of the nozzle 43 and constituting a guide for a cover gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.