SIX SIGMA & LEAN (Basics at a glance)
SIX SIGMA
LEAN
DEFINITION
A Philosophy – Principals driven & tool based philosophy that focuses on reducing the variations /decreasing defects. Focused on customer need- Accuracy
A Philosophy – Principals driven & tool based philosophy that focuses on eliminating waste. Focused on customer need- Speed
OBJECTIVE
Mainly focuses on improving the process by improving a CTQ performance, Analysis Variations in the process
Mainly focuses on the removing waste, which is any Non Value Adding element of the process, Analysis flow of the process
METHODS
Define Measure Analysis Improve Control, DFSS,CAP etc.
MUDA, 5S, JIDOKA, Value stream Map, POKE YOKE, JIT etc.
PROBLEM
Problem is not very clear – need significant amount of data analysis
Problem is slightly clear – just need common sense, tools and functional knowledge to solve
DATA ANALYSIS
Extensive data Analysis -Every step to be proven correct statistically
Sampling Analysis – SME and observation sample based data taken to be good.
DEPLOYMENT & Impact
Centralized -Changes led by tool-kit experts.
Direct impact on precise
Direct impact on precise
De-Centralized – Changes led by functional process experts. Direct impact on Speed ,Flow & Cost
