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1、1 Six Sigma OverviewSix Sigma Overview Objectives To know what “Six Sigma” means To be able to explain the meaning of Six Sigma as a measure of a products ability to meet customer requirements To be able to explain the meaning of Six Sigma as a change initiative in a business 2 Comprehend Business O
2、bjectives/Priorities.Comprehend Business Objectives/Priorities. Objectives for this sessionObjectives for this session To gain a high-level understanding of Six Sigma and the EMC approach to Six Sigma To walk out with an understanding of what is required to write a good project definition to assist
3、your candidates to have a clearly defined project before attending Week 1 training. To ensure a common understanding of basic tools and concepts used in Six Sigma training To clarify what is expected from you as champions and management to foster this cultural change in using these tools in our day
4、to day business. 3 Does Your Company Need Six Sigma?Does Your Company Need Six Sigma? Does Your Company Believe zero-defect goals are neither realistic nor achievable? Have 10 times the number of suppliers required to run the business? Have 5 to 10% of its clients dissatisfied with the product, the
5、sales organization, or the service youve provided? Have customers who will not recommend that others purchase your goods or services? Quantify profitability and growth? Deliver new products to the market? (continued) 4 Does Your Company Need Six Sigma? Does Your Company Need Six Sigma? - -cont.cont.
6、 Does Your Company - Continually implement price reductions for current products? Have an increasing number of competitors? Spend a high % of sales dollars on repairing or reworking a product before it ships? 5 Does Your Company Need Six Sigma? Does Your Company Need Six Sigma? - -contcont. . Does Y
7、our Company - Have a magician in your organization? 6 Six Sigma ObjectivesSix Sigma Objectives The Vision:The Vision: Drive industries to design and produce products/services to Six Sigma standards The Goal:The Goal: Produce goods and services at a Six Sigma level. As your organization moves toward
8、Six Sigma quality, you will: Eliminate defects Reduce production and development costs Reduce cycle times and inventory levels Increase profit margin Improve customer satisfaction The Strategy:The Strategy: Use a data-driven structured approach to attack defects to improve the sigma level of your go
9、ods and services 7 What Is Six Sigma?What Is Six Sigma? Our Grade: _ Please grade your organization based on the following: FOur organization uses only tribal knowledge. We do not use data. EOur organization collects data simply to say, “We collect data.” DOur organization collects data and we somet
10、imes look at the numbers. COur organization logically groups the data. We form charts. BOur organization uses sample data along with basic statistics. AOur organization uses sample data along with inferential statistics. A+ Our organization quantifies processes via prediction equations. 8 What Is Si
11、x Sigma?What Is Six Sigma? Organizational IssueTraditional ApproachSix Sigma Approach Problem resolutionFixing (symptoms)Preventing (causes) BehaviorReactiveProactive Decision makingExperience-basedData-based Process adjustmentTweakingControlling Supplier selectionCost (piece price)Capability Planni
12、ngShort-termLong-term DesignPerformanceProducibility Employee trainingIf time permitsMandated Chain-of-commandHierarchyEmpowered teams DirectionSeat-of-pantsBenchmarking and metrics ManpowerCostAsset A Vision of a Six Sigma Company 9 What Is Six Sigma?What Is Six Sigma? Sigma level: The business met
13、ric used to indicate the performance of a process to some specification The number of standard deviations that fit between the mean and the nearest specification limit OR A measure of the number of defects per opportunity produced by a process LSLLSLUSLUSL 10 Todays Standard 3 Capability 93.319 % Lo
14、ng-Term Yield Automotive Standard 4 Capability 99.379 % Six Sigma Standard 6 Capability 99.99966 % What Is Six Sigma?What Is Six Sigma? Is 99% yield good enough? Five lost e-mail messages per month No cable television for 3.5 hours each month 15,000 overnight carrier packages lost per week 25 incorr
15、ect car rental reservations per company per day 11 Short-term distribution shifted by 1.5to obtain long-term PPM 0 100000 200000 300000 400000 500000 600000 700000 800000 Sigma Level Defects per Million Opportunities Short-Term PPMLong-Term PPM Short-Term PPM158655.322750.11350.031.70.30.0 Long-Term
16、 PPM691462.5308537.566807.26209.7232.73.4 123456 Sigma Level Short-Term PPM Long-Term PPM 1158655.3691462.5 222750.1308537.5 31350.066807.2 431.76209.7 50.3232.7 60.03.4 Note: Industry standard has defined a sigma level to imply short term. Sigma level compared to defectsSigma level compared to defects 12 4 toothpick manufacturer (assume one opportunity for a defect): Has an RTY of 0.99379 (1) = 99.379% 4 mechanical pencil manufacturer (assume 10 opportunitie
