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e available ( breaks and lunch) 450 min. Number of shifts x 2 Time available for production on 1 machine 1 day = 900 min. Time required per day to meet average demand* 703 min. Net time available for set up and changeovers per day = 197 min. * Taken from above chart on basic machine data Part Average demand per day (pieces) Cycle time Per piece Required run time per day Average changeover time Average scrap rate 15487 200 40 sec. 136 min. 55 min. % 15488 300 45 sec. 228 min. 55 min. % 15489 500 40 sec. 339 min. 55 min. % 1,000 703 min. *The three part numbers dedicated to this molding machine Step 2: Set the number of change over events per day Nonproduction time available 197 min. Average downtim