Laser welding device has protection gas supplied via ring facilitating free rotation of welding head

摘要

Welding device (1) has a welding head (2) providing a laser welding beam (20) and a protection gas, supplied via a ring (4) positioned between the welding head and the welded component (30), having at least one bore (9) supplying the protection gas to an outlet opening (7). The ring has a window (6) for passage of the welding beam and is rotated about the axis of the carrier (3) for the welding head simultaneous with the rotation of the latter.