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Managing Business Process Flows Quiz 2
Terms in this set (17)
Process Floe Measures what three aspects
1) Flow time
2) Flow rate
What three questions do we look to answer when measuring flow performance?
1) On average, how much tome does a typical flow unit spend within the process boundaries?
2) On average, how many flow units pass through the process per unit of time?
3) On average, how many flow units are within the process boundaries at any point in time?
total time spent by a flow unit within process boundaries
The number of flow units that flow through a specific point in the process per unit of time.
When the inflow rate exceeds the outflow rate the number of flow units inside the process increases. Inventory is the total number of flow units present within process boundaries.
long run average inflow rate is the same as the long run average outflow rate
Average Flow Rate (Throughput)
average number of flow units that flow through the process per unit of time
Littles Law shows what
The relationship for performance measures to see if process is stable.
the reciprocal of throughput and denoted the maximal time that each process resource can devote to keep up with the demand.
Takt time= 1/R
Inventory Turnover Ratio
is the ratio of throughput tp average inventory, it is expressed as
Inventory turns= R/I
Is the longest path in a process flow chart.
activities on the critical path
Theoretical Flow efficency
the minimum amount of time required for a flow unit to flow through the process without any waiting or interruptions.
Flow time efficiency
theoretical flow time/actual flow time
is a collection of interchangeable resources that can perform an identical set of activities. Each unit in a resource pool is called a resource unit.
5 steps for applying lean operation when mapping
1) Specify value (customer perspective)
2) Map value stream (flow of products)
3) Optimize product flow (removing waste to minimize interruptions)
4) Create pull ( so work can be synchronized with demand)
5) Strive for perfection( where the goal is zero waste)
7 wastes in manufacturing (Shingo)
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