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DESCRIPTION
The fourth of the five phases of Lean Six Sigma is the Imrove/Design Phase. This module introduces the three high level steps of this phase, the tools used at each of these steps and the expected outcomes of each step. Executing a successful Improve/Design Phase includes Identifying the Solution, Validating the Solution, and Implementing the solution.
This module also covers the three high level steps of DMADV which includes Defining the Process Variables, Creating a Detail design, and Verifying 6 Sigma Capability.
This material is suitable for independent study or formal classroom training and includes an exercise and quiz questions.
2. 4
DMAIC/LEAN
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3. Skin/Core Assembly
Upper Skin Assembly
Spar Assembly
Misc Details
65V
Lay-up
6A3
Cure
Press L, M, or N
6A3
Clean Tool
6P4
Band Saw
Henri Line
6PA
Mech Assy
6PA
Bond Closures
Bond Details
65Q
Tap and Ziess
6PA
Electrical Assy
Post Bond
Closures
Misc Details
6PB
Clean Part
6P4
Devlieg
6P7
Sandblast
Lay-up and Cure Clean and Inspect
65V
Test Heater
Balnket
65Q
Inspect
6PA
Bond Details
65Q
Inspect
6PA
Bond Details
Mech Assy
65Q
Inspect
6PA
Fill A/STRP
Electrical Assy
6PB
Leak Test
6P8
Paint
6PG
Static Balance
6PA
Electrical Assy
Mech Assy
6PG
Touch-up Paint
65Q
Final Inspect
Fairings
7
Identify Solution
KPIV Optimal Levels can be determined by DOE
This document is a partial preview. Full document download can be found on Flevy:
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4. 10
DMADV
This document is a partial preview. Full document download can be found on Flevy:
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5. 13
Process Variables
Identifying Process Variables is the last
Step in the QFD Process
House
of
Quality
#3
Design
. Parameters
Functional
Requirements
House
of
Quality
#4
Process
Variables
Design
Parameters
House
of
Quality
#2
Functional
Requirements
CTSs
House
of
Quality
#1
Critical to
Satisfaction
Customer
Needs
Relating the
Customer
to the business
Determining
Functionality Designing
Product or
Service
Specifying
Process
Controls
This document is a partial preview. Full document download can be found on Flevy:
http://flevy.com/browse/document/062introduction-to-improve-and-design-1163
6. 16
A common complaint about Six Sigma is that it limits creativity. Of course this is
not a true statement. During the Improve phase (and before that as well), project
teams must be creative in determining workable solutions.
Q: Why do you eat 3 meals a day (as opposed to 2 or 5 or X)?
The answer to this question will be different for many but for many others, the
answer will be “that is how I grew up”. It is plausible there is a correct scientific
answer.
Be familiar with the various tools that others have found useful for the purpose of
problem solving.
Exercise
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7. 1
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