The high-quality, innovative complete flat roofing systems from medium-sized enterprise alwitra located in Trier are in demand throughout the world. A year ago, the company installed a welding robot system. “Since then the robot/power source combination has done exactly what we required of it in the MIG process – reliable welding, seam after seam, layer after layer”, summarises Albert Thömmes, production manager for aluminium components at alwitra (left). Christoph Schmidt, assistant to the management: “The almost self-explanatory programming method using the control panel made our decision for the Phoenix 422 RC puls power source for our Motoman robot easy”