sixsigmageneral-展示頁
2025-02-27 15:47本頁面
【正文】 A methodology3How to implement Six Sigma? 3Conditions for success DC/vv/1781 3 Bekaert Consulting France1What is Six Sigma?DC/vv/1781 4 Bekaert Consulting FrancePROCESSinput resultExellent results require excellent processes Deliver (nearly) always the desired results Reduce variabilityAmbition : 6 Sigma Process Capability( defects pm)Six Sigma as measure for process capabilityDC/vv/1781 5 Bekaert Consulting FranceDefects and the Hidden FactoryManufacturing Variation Causes A Hidden FactoryIncreased Cost Lost CapacityYield After Inspection or TestEach defect must be detected, repaired and placed back in the process. Each defect costs time and money.ScrapReworkHidden FactoryNOTOKOperationInputs Inspect First Time YieldOKTime, cost, people90% Customer QualityDC/vv/1781 6 Bekaert Consulting France3 To increase a process performance, you have to decrease variation.Importance of Reducing Variation3 Less variation provides? Greater predictability in the process? Less waste and rework, which lowers costs? Products and services that perform better and last longer? Happier customersDC/vv/1781 7 Bekaert Consulting FranceLSL USLDefectsProcess CapabilityInadequate Design MarginInadequate Process CapabilitySupplier VariationInadequate Measurement Capabilityaverage ? ?“Variation” and “Process Capability”DC/vv/1781 8 Bekaert Consulting France23456308,53766,8076,210233? PPMProcessCapabilityDefects per Million Oppty.6Sigma???% NonDefective%%%%%DC/vv/1781 9 Bekaert Consulting France6 ?6 ? Cp = 2Cpk = 1,51,5 ? 6 ? n? = 66 ? and Cp, CpkDC/vv/1781 10 Bekaert Consulting FranceWhy ppm ? * 1,5 ? shiftApproachClassicalNew,41 0,332 0,663 14 1,334,5 1,5Number of sigma in half the tolerance intervalCp561,662 Cpk*_0,160,50,8311,161,5Ppm*__2333,4Cost of quality(%)__25 %15 %10 %7,5 %5 %DC/vv/1781 11 Bekaert Consulting FranceIf we accept % good, then...3 1 h non drinkable water each month3 500 171。failed187。labour187。7,5m 1999/2023DC/vv/1781 13 Bekaert Consulting FranceCompanies involved in Six Sigma today :3 Generic Six Sigma Metrics? Seasoned Black Belts plete three to five projects annually? $ $ average savings per project? Annual savings delivered per Black Belt $ $? Rule of thumb for numbers of Black Belts: 13% of employeesDC/vv/1781 14 Bekaert Consulting FranceSIX SIGMA as methodology ...3A systematic approach3for breakthrough improvement realisations3using a solid and soundly based toolset3deployed throughout the anizationDC/vv/1781 15 Bekaert Consulting FranceSIX SIGMA as methodology ...3A systematic approach3for breakthrough improvement realisations3usi
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