US Patent 11660700 Welding and deburring system with cryogenic cooling

A welding and deburring system is provided for joining first and second work pieces to one another. The system includes a friction stir welding tool for joining the first and second work pieces to one another at a weld. The system further includes a deburring tool attached to the friction stir welding tool and removing a material flash generated at the weld. The system further includes one or more nozzles disposed in a fixed position relative to the friction stir welding tool, with the nozzles directing a cryogenic fluid to at least one of the friction stir welding tool, the deburring tool, the first work piece, the second work piece, and the weld.