Ring management system

Abstract

The present invention provides a production system capable of further improving production efficiency and quality. The ring management system comprises size measurement unitfor measuring size (l, t) of the ring w, first convey unitfor moving the ring w whose size has been measured, a first stockerhaving a plurality of storage positions for storing rings conveyed in by the first convey unit, a second convey unitfor conveying out the rings from the first stockermeans for stacking, and a control unit. The control unitincludes memory meansfor storing for each of the rings wi, size (li, ti) measured by the size measurement means in association with the storage position pi in the first stocker, first selection meansfor selecting a ring wj constituting a stacked ring according to the ring size stored in the memory means, and first instruction meansto instruct the second convey unitso as to convey out the ring selected by the first selection meansfrom the storage position pj in the first stocker