Sex Sigma-metodologi | Sex Sigma-process | Sex Sigma-modell

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Sex Sigma modellen är ett mycket disciplinerat tillvägagångssätt som kan hjälpa företag att fokusera på att utveckla och att leverera nästan perfekta produkter och tjänster. Den baseras på det statistiska arbetet av Joseph Juran, en rumänskt-född och amerikansk-banbrytare av kvalitetsledning. Uttrycket ”Sigma” är en grekisk symbol använt för en statistisk term som mäter hur långt en given process avviker från perfektion (standardavvikelse). Om sigma numret är större närmar du dig perfektion. En sigma av 1 är inte tillräckligt bra; sex sigma definieras som endast 3.4 defekter per miljon. Den centrala idén bakom Sex Sigma är att, om du kan mäta hur många ”defekter” du har i en process, kan du systematiskt räkna ut hur du kan avlägsna dem. Således kan du nästan komma fram till en ”nolltolerans av fel”.

Det japanska ursprunget till Sex Sigma kan fortfarande ses som systemet med olika ”bälten” som det använder. Om du är ny inför Sex Sigma, och du går på en grundläggande träning, då får du ett grönt bälte. Någon, som har ansvaret för att leda ett Six Sigma lag, kallas svart bältare. Slutligen så finns det en speciell elit som kallas "Master Black"gruppen som leder och hanterar de med svarta bälten.

De Fem stegen i Sex Sigma. Process

En typisk Sex Sigma process har följande fem steg:

1. Definition. Det första steget i alla Six Sigma projekt är att klargöra problemet och att begränsa dess omfattning på ett sådant sätt att mätbara mål kan uppnås inom ett fåtal månader. Därefter samlas ett lag för att undersöka processen mer specifikt, föreslå förbättringar och genomföra dessa rekommendationer. I den tillverkande världen brukar projektchefer och deras sponsorer typiskt börja med att definiera vad som utgör en defekt och upprättar därefter en uppsättning av målsättningar som skapas för att minska risken för att defekter skulle uppstå igen.
2. Mätning. I det andra steget av ett Sex Sigma projekt samlar laget in data och förbereder den för en analys på hög nivå.
3. Analys. Så fort en process har kartlagts och dokumenterats och kvaliteten på de understödjande och tillförlitliga datat har verifierats, kan Sex Sigma laget påbörja analysen. Lagmedlemmarna startar vanligtvis genom att identifiera de sätt där personer har misslyckats agera på det sätt som egentligen behövdes, eller genom att identifiera på vilket sätt  som personer misslyckas för att tillse att man uppnår en effektfull kontroll i varje steg.
4. Förbättring. Rekommendera, avgör och genomföra förbättringar.
5. Kontrollera. I slutskedet av ett Six Sigma projekt  skapar laget kontroller. Dessa möjliggör för företaget att bibehålla och fördjupa förbättringarna.

Forum Forumdiskussioner om Sex Sigma-metodologi. Nedan kan du ställa en fråga om det här ämnet, dela dina erfarenheter, rapportera en ny utveckling eller förklara något. Starta ett nytt ämne om Sex Sigma-metodologi Dela din kunskap här (eller ställ en fråga)   Six Sigma in an R&D context Is it possible to use Six Sigma to improve the quality of R&D processes? Or do R&D activities naturally defy systematic improvement efforts?... 27   8 kommentarer The 5 x Why Method (The 5 Whys) DESCRIPTION OF THE 5 WHY METHOD The "5 x why" method has been developed by Toyota to perform an iterative Root Cause Analysis of production-related problems. 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Informationskällor Olika informationskällor om Sex Sigma-metodologi. Här hittar du powerpoints, videor, nyheter etc. som du kan använda i dina egna föreläsningar och workshops. Six Sigma Dictionary (250 terms) 6 Sigma Terms Short explanation of 250 six sigma terms. By Luis Garcia Guzman.... Great Truths about Six Sigma Introducing SIx Sigma Humorous introduction to Six Sigma with cartoons from various cartoonists.... Six Sigma Explanation Business Process Improvement Definition of “Six Sigma” Six Sigma Best Practice Implementation framework Key Ingredients for a Successful Six Sigma ... Lean Assessment Tool Lean / Six Sigma Assessment Spreadsheet calculates current and future Lean and Six Sigma scores based on scoring in 28 criteria. Generates Lean Over... Six Sigma Intro Introduction to SS Introduction presentation by lakhanpalv.... Y=f(x) + E DMAIC Project Control This document guides and helps you through the DMAIC process using the well known Six Sigma formula Y=f(x) + e.... Six Sigma Calculator Calculating DPM and PPM Determine the process performance in terms of Defects Per Million (DPM) or Parts Per Million (PPM).... Business Process Management and Improvement: Six Sigma, BPR and (R)Evolutionary Change Process Management, process Improvement, Business Process Reengineering, BPR, Six Sigma Presentation about process management, particularly process modeling simulation and design. The presentation focuses on ... SS Origins and Destinations Six Sigma and Sustainability Presentation by Prof. Rick Edgeman explains DMAIC, DFSS, the role of 6 Sigma in biophysical sustainability, environmenta... Introduction to Project Quality Management Quality Management, Project Quality Planning, Project Quality Assurance, Project Quality Control Presentation about Project Quality Management. A large part of the presentation is about Six Sigma as a quality manageme... Overview Six Sigma Six Sigma Method Presentation defines Six Sigma as a disciplined, data-driven approach and methodology for eliminating defects in any pro... 8 Wastes Assessment and 5S Analysis in Office Environments Lean, 5S , WASTE In the office environment, our work does not take place on our desks, but on our computers and in our digital networks. ... Six Sigma Demystified Powerpoint MEASURE – SIX SIGMA IMPROVEMENT METHODOLOGY A. Ask each Customer: What do you need from the service / product we provi... Using the Whys Method Six Sigma, Toyoda, Toyota, Lean Production, Root Cause Analysis To solve a problem effectively, you need to drill down through the symptoms to the underlying cause. Sakichi Toyoda, one... Plan for Every Part Lean Production, Parts Management, Value Stream Mapping, Continuous-flow Manufacturing Business Managers are making progress in realising flow as more they learn about VSM (Value Stream Mapping) and continuo... Jidoka Lean, HoT Japanese manufacturing techniques have had a major affect on the approaches taken in manufacturing and management in man... Continuous Sampling Planning Sampling The concept of continuous sampling planning originated in 1943 by Dodge. Known as CSP-1, continuous sampling is used whe... Battle of Champions in Performance Improvement: Six Sigma versus Lean Performance Improvement Lean Six Sigma While both Six Sigma and Lean focus on waste reduction as a key aim (recognizing waste comes in many forms), this is the... Six Sigma Diagram Quality Assurance Download and edit this 12manage PowerPoint graphic for limited personal, educational and business use. Republishing in ... Certifications from Various Accreditation Agencies Six Sigma Certifications The attachment gives an overview of existing Lean Six Sigma Certifications. When you want to find or become yourself a ... Errors in Hypothesis Testing Errors in Hypothesis Testing An article with example how we can circumvent errors in Hypothesis testing. Setting the value of α is not automati... A Guide to Control Charts Applying Control Charts, Types of Control Charts Control charts have two general uses in an improvement project. The most common application is as a tool to monitor proc... Rolled Throughput Yield Calculating Yield of a Process Rolled Throughput Yield allows us to expose the "hidden factory" by providing visibility into the yield of each process ... Sample Size Calculation Calculating Sample Size, Determining Sample Size The first question faced by a statistical consultant, and frequently the last, is: “How many subjects (animals, units) d... Design of Experiments (DOE) Designing Experiments, Designing Statistical Experiments Quality managers who understand how to apply statistical tools for Design of Experiments (DOE) are better able to suppor... Six Sigma Capability Studies Determining the Six Sigma Level For many years industries have used Cp, Cpk, Pp and Ppk as statistical measures of process quality capability. Some segm...

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