PROCESSING NOZZLE, PROCESSING HEAD, PROCESSING DEVICE

摘要

Provided is a processing nozzle that simultaneously injects multiple types of powders. The processing nozzle is for injecting powder materials onto a molten pool formed by a laser beam on a processing surface, and comprises: an inner housing constituting a light path for the laser beam to pass through; and an outer housing arranged with the inner housing via a gap as a first supply channel for powder materials; wherein a second supply channel for powder materials and a third supply channel having a different diameter from the second supply channel are included inside the outer housing.