EIN 6934 Advanced TQM: Six Sigma

EIN 6935 /4933LEAN Six SigmaInstructor: Christos Nicolaou2.1 WHAT IS SIX SIGMA

#1Learning ObjectivesWhat is Six SigmaPractical Meaning of Six SigmaThe concept of variationThe Process Improvement Methodology (DMAIC)DEFINEMEASUREANALYZEIMPROVECONTROLSamples of Six Sigma Projects#2A comprehensive and flexible system for achieving, sustaining and maximizing business successIt is uniquely driven by close understanding of customer needs, disciplined use of facts, data and statistical analysis, and diligent attention to managing, improving, and reinventing business processes

Six Sigma is

#3Six Sigma Is...=+++...= f(x1,x2,x3...)YUnderstand and control the xs, and youll never have to ask YA measurement of how effective strategies are in eliminating defects and variations from processes, products and services to increase yield.#4Sigma is a statistical unit of measure that reflects process capability

The sigma scale of measure is perfectly correlated to such characteristics as defects-per-unit, parts-per million defective, and the probability of a failure/error2308,537366,80746,210523363.4Parts Per Million93%99.4%99.976%99.9997%Yield20-30%15-20%10-15%