ORM2BJ (D) 22-3 - Session 18
ORM2BJ (D) 22-3 - Session 18
ORM2BJ (D) 22-3 - Session 18
◼ Defect → Outside
◼ Lower/Upper Specification Limits (USL/LSL)
◼ Different from Control Limits (UCL/LCL)
Improved
Current
Old
–6 +6
1.5 Shift
Standard deviation line
Short-term
Long-term
–6 +6
Dipankar Bose - XLRI
Six Sigma Project
◼ Define
◼ From potential problem identification to team
formation for selected project
◼ Measure
◼ From identification of key product parameter/process
characteristics to measurement of current state
◼ Analyze
◼ Identifies causes of variation by analyzing past/present
data
◼ Improve
◼ Remedy/ effectiveness of remedy/ implementation plan
◼ Control
Dipankar Bose - XLRI
Six Sigma – Failure Factors
◼ Common variation
◼ Inherent in the production process
◼ Candidates for → Six Sigma Projects
◼ Assignable variation
◼ Caused by factors that can be clearly identified and
possibly managed