Bus%203750%20Chapter%2008%20Capacity%20Management

Bus%203750%20Chapter%2008%20Capacity%20Management -...

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1 Bus 3750 Ch t 8 C it M Chapter 8 : Capacity Management By : Bruce G. Ferrin and Duke Leingpibul Determining Capacity Available • Available time • Utilization • Efficiency • Rated Capacity @50m/hr 24 hours 16 hours 50 m/hr 70 m/hr 100 m/hr 24*0 67*0 71=11 41 16/24 =67 % 70/ 70 =100% 100/ 70 =143% 50/ 70 =71% 2 Rated Capacity @50m/hr • Demonstrated Capacity (M,T,W) Chicago Kalamazoo 24*0.67*0.71=11.41 Per day (11.41 +12+12.59)/3 = 12 hr/day Example MRP Cap Required or Load (Op. Time) Week 123456 GR 20 20 20 20 20 20 SR PAB 25 500000 PORC 0 1 52 02 0 PORL 15 20 20 20 20 Cap =Set up +Runtime Cap = 2 + 1 * (15) = 2 +15 = 17 Cap = 2 + 1 * (20) = 2 +20 = 22 3 Cap Required BOC Operation Work Center Set Up Time (Hr) Run time (Hr/Unit) Mount/Ass’bly Assembly 2 1 Q = LFL (lot for lot), SS (safety Stock) =0, LT =1, OH =25 Week 0 1 2 3 4 5 6 Cap 17 22 22 22 22 Actual Time • In the previous problem , how much actual time will be needed to run the order if the work center has an efficiency of 120 % and utilization of Cap Req = 31.5 std hours 4 80 % • Capacity Required = Actual Time * Eff * Uti • Cap Req /( eff * Uti ) = Actual Time •= 31.5 / ( 1.2 * 0.8 ) 32.8 hours Released Order

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This note was uploaded on 04/18/2008 for the course PSCI 3750 taught by Professor Duke during the Spring '08 term at Western Michigan.

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Bus%203750%20Chapter%2008%20Capacity%20Management -...

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