Wash, mix, spoon BakeCoolPackAccept Payment 6 + 2 min per dozen. 7.5 dozen per hour 10 min per dozen 6 dozen per hour 5 min per dozen 12 dozen per hour.

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Presentation transcript:

Wash, mix, spoon BakeCoolPackAccept Payment min per dozen. 7.5 dozen per hour 10 min per dozen 6 dozen per hour 5 min per dozen 12 dozen per hour 2 min per dozen 30 dozen per hour 1 min per dozen 60 dozen per hour

0:00 1:30 0:30 1:00 2:00 2:30 3:00 Cycle time Flow time

Take Order Slice the Bun & Add meat Add the Toppings Bag the order 1min / order3 min / order4 min / order2 min / order 60 order / hr20 order / hr15 order / hr30 order / hr Demand=20 order / hr Capacity is constrained by bottleneck Capacity = 15 order/hr Throughput rate = min { demand, capacity} Throughput rate = 15 order/hr Cycle time = 1 / Throughput rate Cycle time = 4 min Flow time = =10 min = (1/6) hr Ave Inv. = Throughput rate x Flow time Ave Inv. = 15 order/ hr x (1/6) hr = 2.5 units

Take Order Slice the Bun & Add meat Add the Toppings Bag the order 1min / order5 min / order4 min / order2 min / order 60 order / hr12 order / hr15 order / hr30 order / hr Demand=20 order / hr Capacity is constrained by bottleneck Capacity = 12 order/hr Throughput rate = min { demand, capacity} Throughput rate = 12 order/hr Cycle time = 1 / Throughput rate Cycle time = 5 min Flow time = =12 min = (1/5) hr Ave Inv. = Throughput rate x Flow time Ave Inv. = 12 order/ hr x (1/5) hr = 2.4 units

Take Order Slice the Bun & Add meat Add the Toppings Bag the order 1min / order5 min / order4 min / order2 min / order 60 order / hr12 order / hr15 order / hr30 order / hr Demand=10 order / hr Capacity is constrained by bottleneck Capacity = 12 order/hr Throughput rate = min { demand, capacity} Throughput rate = 10 order/hr Cycle time = 1 / Throughput rate Cycle time = 6 min Flow time = =12 min = (1/5) hr Ave Inv. = Throughput rate x Flow time Ave Inv. = 10 order/ hr x (1/5) hr = 2 units

Take Order Slice the Bun & Add meat Add the Toppings Bag the order 1min / order 5 min / order4 min / order2 min / order 60 order / hr 12 order / hr15 order / hr30 order / hr Demand=120 orders Take order stage is activated for first 2 hours (120 / 60 = 2) Slice the Bun & Add meat stage is activated for 10 hours (120 / 12 = 10 ) Inventory increased for the first two 48 orders / hr (60-12=48). Then the inventory starts to reduce.