311_session_2_measures

311_session_2_measures

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Unformatted text preview: hamburgers. What is the capacity of the cooking stage? What is the capacity of the assembling stage? What is the capacity of the (entire) process? 6 Gantt Chart Suppose an order for 60 hamburgers is placed. What will happen? 1:27 1:54 2:27 2:54 3:27 3:54 Assembly Cooking 10 First 20 10 Second 20 1:00 10 10 10 10 Third 20 2:00 3:00 If order continues to come, how many more hamburgers do we produce every minute? Capacity Analysis The stove, operating 100% of the time, can push out: 20 hamburgers / 1 minute = 20 burgers per minute. The workers, operating 100% of the time, can push out: 10 hamburgers / 27 seconds = 22.2 burgers per minute. The stove is the bottleneck resource; it pushes out the slowest amount of hamburgers per time period. Bottleneck Bottleneck: The process with the smallest capacity. Process Capacity: The capacity of the slowest resource (bottleneck). Utilization Rate Flow rate (capacity used) Utilization rate = Capacity Utilization rate is a measure of efficiency. Example: At a Starbucks capacity of a cashier is 96 customers per shift. cashier’s flow rate is 72 customers per shift. What is the capacity utilization? 72/96 = 0.75 Utilization Rate How can we interpret the number 0.75? The cashier is busy 75% of the time. 25% of the time the ca...
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This note was uploaded on 02/04/2014 for the course BUAD 311 taught by Professor Vaitsos during the Spring '07 term at USC.

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