These systems basically comprise a metering machine and theup and downstream system components like tilting device, storagetrough, roller conveyor or vibratory trough conveyor with magneticdrive. Automatic metering machines are used to handle andunmatch billets. Diametrically arranged vibration motors providedrive. The main group of metering machines are so-called»inside-spiral« designs (pot with internal spiral). Pots with external sorting spiral are also available for specific customer requests.