| 摘要 |
PROBLEM TO BE SOLVED: To improve the workability with good condition of carry-in of a work and carry-out of a product without damaging the work and the product, to shut off the spatter of a laser beam and also, to prevent the splashing of the spatter. SOLUTION: In a laser beam machining providing a laser beam machining head 9 attaching a nozzle 9N at the tip part, a metal-made cover 23 is arranged to the tip part of the laser beam machining head 9 is arranged. A metal-made brush 25 is arranged at the tip part of the metal-made cover 23 in the condition of surrounding the nozzle 9N, and further, the material of the metal-made brush 25 is used to the one having incombustibility and refractoriness. |
