Lean Six Sigma QUAL50172 mod3-wk3-jan2016 First Iteration of a Value Stream Map Value Added Ratio = Sum of Value Added Time Total Flow Time = 0.0519 Non-Value Added process Steps Value Added process Steps 20 20
Lean Six Sigma QUAL50172 mod3-wk3-jan2016 Value Stream Map Example Name of Process Value Add/Non-Value Add Evaluation a) Information and Communication Connections to the Process Steps b) Information about the Process (meta-data for processes) START FINISH Process Steps 21 21
Lean Six Sigma QUAL50172 mod3-wk3-jan2016 Bottle Necks? Constraints? 1) A bottleneck (or constraint) is the place where the performance or capacity of a system is limited by a single resource or limited by the number of a particular component 2) The term “bottleneck” comes from a “water” metaphor: when pouring water out of a bottle, the outflow is limited by the width of the conduit of exit at the neck of the bottle 3) If you increase the width of the neck of the bottle, you can increase the rate at which the water flows out of the bottle 4) These limiting components of the system are also referred to as bottleneck points or constraint points 22 22
Lean Six Sigma QUAL50172 mod3-wk3-jan2016 What is your Critical Path? 1) Measure, calculate and determine: 1)The longest path of activities that will end a project or process 2)The earliest and latest that each of these activities can start and finish without making the project or process longer. 2) This will identify which activities are critical – are on the longest path- and which are flexible - can be delayed - without making the project or process longer 3) You can now determine the shortest time possible to complete the project or process. 23 23
Lean Six Sigma QUAL50172 mod3-wk3-jan2016 Homework Exercise Lean and Six Sigma in your workplace 24 24 1) Create a SIPOC Diagram for a process you use either at work, or in your personal life 2) Use the SIPOC Diagram Worksheet as a guide, but, you may prefer to find or make your own template. 3) The focus is not on the process itself, but, on the upstream (inputs) and downstream (outputs) elements 4) Identify as many Suppliers, Inputs, Outputs and customers as you can 5) Identify the 2 or3 vital or key Inputs and Outputs Due by the beginning of the next class to the Dropbox: Worth 3% Grading based on: - Completeness of chart __ /3 - Accuracy identifying S’s, I’s, O’s, C’s __ /3 - Correct identification of Key Inputs and outputs __ /2 - Neatness, organization, spelling, grammar __ /2 Total: ___ /10
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- Winter '19