Automatic Assembly Line The charged workpiece carrier is fed to the individual assembly stations via a workpiece carrier circulating system. Worker 1: Charging workpiece carriers with components (upper and lower part) in the correct position Specially adapted contour mold prevents incorrect charging Station 1: Feeding and preassembly of molding plates Station 2: Checking whether molding plates are present Pressing the molding plates at the end position Station 3: High voltage test of upper parts Marking the upper parts Worker 1: Manually inserting the plates Clipping the plates using the hand lever