DMAIC

Basic methodology to improve existing processes

· Define out of tolerance range.
· Measure key internal processes critical to quality.
· Analyze why defects occur.
· Improve the process to stay within tolerance.
· Control the process to stay within goals.

DMADV

Basic methodology of introducing new processes.

· Define the process and where it would fail to meet customer needs.
· Measure and determine if process meets customer needs.
· Analyze the options to meet customer needs.
· Design in changes to the process to meet customers needs.
· Verify the changes have met customer needs