The DMAIC Methodology
DMAIC Objectives
Define
Measure
Analyze
Improve
Control
Define
Interview the Process Champion to scope the project
Understand Customer Requirements
Identify and Prioritize Opportunities
Develop problem statements
Define the Goals and Objectives
Select Your Project
Form a Cross functional Team
Measure
Define and analyze the current process – KPIs
Assess the capability of your measurement process
Assess the current capability of the process
Calculate the cost of poor quality
Analyze
Determine the source of process variance
Identify the root cause of the problems
Identify possible solution to UDEs
Determine success factors – what Sigma
Level do you want
Improve
Identify key input variables
Identify and test proposed solutions
Re-assess capability
Implement solutions
Determine if the process statistically improved
Control
Develop a control plan to sustain gains
Determine financial benefits from the project
Document results in a Process Notebook
Celebrate and communicate
Stepping through DMAIC with the 16 Questions
Define
Measure
Analyze
Improve
Control
Define
Who are your customers for the assigned project? What is the business case? What are the deliverables for the project?
What Metrics to Capture?
What are the major steps in the process?
Does the project need to be scoped?
How have you prioritized improvement opportunities?
Who are the stakeholders in the process?
Who are the team members working on these improvements?
What are the goals and timeline for the project? Is this an opportunity for a Kaizen?
Measure
What is the current state of the process?
Is the process constrained?
How is the process measured? Is the measurement precise? Accurate?
What is the baseline for the key performance metrics?
What are the specifications of the process? Is it capable?
What is the Cost of Poor Quality?
Analyze
What types of waste are apparent in the process?
Are the primary metric(s) off-target. Does it exhibit high variation?
What are the sources of the problem? Root causes?
What would a benchmark or “world class” process look like?
Improve
How can we remove the cause of the waste?
How do the inputs to the process affect it? Do they interact?
What is the list of improvements to be made? Are tests necessary? Is there a risk in implementing them?
What is the performance of the improved process? Did you meet your goal?
Control
How will you sustain the improvement?
What is the benefit from the improved process? Is it documented?
Has the team been rewarded?
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