Shop floor control and priority scheduling

The advent of just-in-time programs makes it necessary to look at the two subjects in the title of this article. For those companies which still have queue times much longer than actual work times, some resolution between operational back dating and critical ratio scheduling may be necessary. Where queue times are reduced so that the first pieces have moved downstream before the last pieces are completed, adjustments may be made for overlapping. Input-output control and master production scheduling are critical to planning and successful execution.