| 摘要 |
PURPOSE:To provide a top end nozzle of a laser beam machine which is simply reused by replacing a part of the top end nozzle and by which the maintenance expense of the laser beam machine is greatly reduced. CONSTITUTION:In the top end nozzle 6 of the laser beam machine which is attached to the top end of a laser head 2 and by which the irradiation of a laser beam and the blasting of an assisting gas are performed on a work, the top end nozzle is bisected into the main body 6a of the nozzle to be loaded on the laser head and the nozzle tip 6b constituted of an independent part combined with the top end of the main body of the nozzle, and the nozzle tip is attached to the main body of the nozzle by means of an adhesive 7. Then, in the case where the nozzle tip is deformed or damaged in use, the main body of the nozzle is left unchanged, only the nozzle tip is replaced with a new one and the top end nozzle is used again. |
