在激光切割加工中,为了使切口处获得最 大的功率密度、最佳的切口质量,必须使激光 束聚焦点落在工件表面稍下的地方,并在加工 过程中保持不变,即保持激光束喷嘴与工件之 间的间隙δ不变,如图1所示。因此,一套激 光切割设备除了激光器、主机之外,还必须配 备一套性能优良的Z轴全 In laser cutting, in order to get the maximum power density at the incision, the best quality of the incision, it is necessary to make the focal point of the laser beam fall on the surface of the workpiece just below the place, and remain unchanged during processing, that is, to keep the laser beam The gap δ between the nozzle and the workpiece is constant, as shown in FIG. 1. Therefore, a laser cutting equipment in addition to the laser, the host, it must also be equipped with a set of excellent Z axis