| 摘要 |
PROBLEM TO BE SOLVED: To make cutting in two directions or more possible. SOLUTION: In the laser beam cutting machine to cut a work by irradiating with laser beam, a main nozzle 15, which injects assist gas simultaneously with irradiation of a laser beam 12, is arranged coaxially to the laser beam 12, further, plural auxiliary nozzles 18, which inject high pressure assist gas to the surrounding of the main nozzle 15, is arranged with inclining to the main nozzle 15. |
