OPENTECHNICAL PUBLICATION OT-2026-000000567 Laser processing nozzle and laser processing machine Published: 2026-09-15T19:03:05.310661Z Permanent URL: https://opentechnical.org/p/OT-2026-000000567 Categories: Manufacturing & Assembly Equipment > Joining and Welding ------------------------------------------------------------------------ ABSTRACT An inner nozzle tip portion includes an inner nozzle opening configured to emit a laser beam and eject a first assist gas. An outer nozzle includes a stepped part provided at an outer nozzle tip portion and recessed inward from the outer nozzle tip portion, and an outer nozzle opening open to the stepped part to be a concentric circle with an inner nozzle opening, the outer nozzle opening being configured to eject a second assist gas. The stepped part includes a flat portion extending from a peripheral edge of the outer nozzle opening in a direction orthogonal to a direction of an axis, and the inner nozzle tip portion is located between the outer nozzle opening and the outer nozzle tip portion in the direction of the axis. ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000000567 Published 2026-09-15T19:03:05.310661Z https://opentechnical.org/p/OT-2026-000000567