Thermal cutting machine
US5338914A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 9, 1993 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Mar 9, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K37/047
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A thermal cutting machine, capable of providing a high cutting quality and of avoiding any interference between a cut product and the machining nozzle, comprises a workpiece table (4) for supporting a workpiece (5) to be cut, the workpiece table (4) being capable of moving the workpiece in the X-axis direction, and a machining nozzle (2a) for emitting a heat source to cut the workpiece, said machining nozzle (2a) being movable in the Y-axis direction. The workpiece table (4) is provided with a chain conveyer (6) having a plurality of grid elements (11) laterally spanning the chains (10) of the conveyer (6). A retracting means is provided for retracting downwardly at least one grid element (11) which is in the conveyor position corresponding to the cutting path for the machining nozzle, by depressing the portion of the chains (10) which support that grid element. This avoids damage to the grid elements during the cutting operation, and also avoids interference between the machining nozzle and the workpiece or the cut products. The cut workpieces can be classified into products and scraps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.