Device for laser welding a workpiece comprises a focusing lens for focusing the laser beam on the workpiece and a feed unit for an additional material having a guide through which the additional material is applied

摘要

Device for laser welding a workpiece (2) comprises a focusing lens (4) for focusing the laser beam (3) on the workpiece; and a feed unit (6) for an additional material (7) having a guide (8) through which the additional material is applied to the workpiece. Preferably the guide is formed as a spacer and has a recess for the additional material. The guide has a rotating rolling body to press the additional material against the workpiece.