Carl Cloos Schweisstechnik has developed a system to avoid spatter residues in component interiors created when hollow workpieces, in particular pipes, are welded together. This spatter protection tool is particularly effective for welding hydraulic cylinders using the MSG laser hybrid process. The new system is based on a 3D suspended collecting bin whose sealing contours adapt exactly to the pipe inner surface. The advantage of the system is that the laser beam as well as the weld spatters are centrally collected in the bin. Thus the component inner surface remains clean, cutting down expensive rework. The unit is automatically positioned directly below the weld seam by means of the NC travel unit. An integrated electronic query ensures that the welding process is only started when the spatter protection is fi tted tightly to the component interior.

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