ops mgt 6_Process Analysis_3501-2

ops mgt 6_Process Analysis_3501-2 - Process Analysis Click...

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Click to edit Master subtitle style Process Analysis If you cannot describe what you are doing as a process, you do not know what you are doing. W.E. Deming
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How do we measure capacity? Cycle Time : Average time for completion of a unit at a production step or process. Does not include waiting. Measured as time/unit Throughput Rate : Average number of units processed over a time interval. Measured as units/time 1 Cycle Time Throughput rate = Key relationship Capacity of a task is the physical limitation in terms of “how much can be processed at this task” Capacity = throughput rate
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What is a bottleneck? Which task is the bottleneck? 3 units/hr 5 units/hr 2 units/hr Bottleneck is the process stage with the smallest throughput rate (longest cycle time)
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Capacity of a process The capacity of the process is: minimum throughput rate at any of the stages What is the capacity of this process? 3 units/hr 5 units/hr 2 units/hr
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How do we measure throughput time? Throughput Time : Average time that a unit takes to go through the entire process (including waiting time). Measured as time Work in Process(WIP) : Average number of units in system over a time interval. Measured as units WIP Throughput rate Throughput time = Key relationship (Little’s Law)
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1. Look at the process step by step 2. Determine throughput rate (i.e. capacity) of each step 3. Identify the process bottleneck (smallest processing rate, or largest cycle time). 4.
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This note was uploaded on 01/25/2011 for the course MGT 3501 taught by Professor Chang during the Spring '10 term at Georgia Institute of Technology.

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ops mgt 6_Process Analysis_3501-2 - Process Analysis Click...

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