【正文】 ing Methodology ? Characterize ? Optimize ? Breakthrough USL T LSL USL T LSL T USL LSL USL’ LSL’ The Strategy Customer Focused Both Internally amp。1 Six Sigma By Daniel Wu Ford Lio Ho Motor Company ： ； :； ： 2 Outline ? Quality level ? What is Six sigma? ? Why we need Six sigma? ? Development and Deployment strategy ? How Six sigma merges into our daily business? 3 OverviewFour Quality Gurus ? Historically panies have focused on quality issues for customer satisfaction ? Prior to six sigma there were four key quality gurus that most panies’ quality programs followed ? Deming ? Juran ? Crosby ? Taguchi 4 Deming Deming taught: ? Importance of understanding variation in work processes ? Role of management in leading for quality ? Application of statistics ? PlanDoCheckAct 5 Deming’s Contribution to Profitability EXTERNAL INTERNAL CUSTOMER SATISFACTION MARKET SHARE PROFIT PRODUCTIVITY QUALITY Better products amp。 Externally Which Business Function Needs It? As long as there is a process that produces an output whether it is a manufactured product, data, an invoice, etc... we can apply the Six Sigma Breakthrough Strategy. For these processes to perform to a customer standard they require correct inputs!!! 6 Sigma Methods MFG.. DESIGN SERVICE ENG MAINT. ADMIN. QA PURCH. Data is derived from objects, situations, or phenomenon in the form of measurements. Data is used to classify, describe, improve, or control objects, situations, or phenomenon. 1. We only use experience, not data. 2. We collect data, but just look at the numbers. 3. We group the data so as to form charts and graphs. 4. We use census data with descriptive statistics. 5. We use sample data with descriptive statistics. 6. We use sample data with inferential statistics. Levels of Analysis: What level are we?? The Foundation of the Six Sigma Tools 23 The Role of Six Sigma R E G IO NBA A B C D E12345 Six sigma is the best means to realize the philosophy, values, and goals associated with your business initiatives. Region BA Exam ple Business Un i t InitiativesCost Quali ty T i m eCham pionsCom m on Metri csBenchm ar k i n gStretc h GoalsBre ak throughBlac k Be ltsDiagnostic T oolsExperi m ent DesignSPCDFMQuali ty Pol icyQuali ty Coun c il6s Linking Pins Business Area Initiatives It unifies the initiatives and provides a mon language which all people can understand and speak. How Do We Improve Capability )X, .. . ,X,X,X ( f=Y k321? Our Outputs (Y’s) are determined by our Inputs (X’s). If we know enough about our X’s we can accurately predict Y without having to measure it. ? If we don’t know much about our X’s, then we have to resort to inspection and test (non value added operations). ? By knowing and controlling the X’s, we reduce the variability in Y, which decrease the number of defects, improves RTY, cycle time, etc. We can also eliminate or reduce inspection, test, and rework. 25 The Sources of Six Sigma Quality… by controlling... by designing... Continuously Reduce Process Variability Tighter Upper amp。A 。 transformation Departmental data mart 0102030405060708090第一季 第二季 第三季 第四季東部中部北部0102030405060708090第一季 第二季 第三季 第四季東部中部北部Intelligence reports for projects Correlation analysis 45 Data transformation ? What should we do to make it easily accessible as information to managers and subordinates? ? What sort of analysis can we conduc