By Daniel Wu Ford Lio Ho pany 1 Outline Quality level What is Six sigma? Why we need Six sigma? Development and Deployment strategy How Six sigma merges into our daily business? 2 Overview-Four Quality Gurus panies have focused on quality issues for customer satisfaction Prior to six sigma there were four key quality gurus that panies’ quality programs followed Deming Juran Crosby Taguchi 3 Deming Deming taught: Importance of understanding variation in work processes Role of management in leading for quality Application of statistics Plan-Do-Check-Act 4 Deming’s Contribution to Profitability EXTERNAL INTERNAL CUSTOMER SATISFACTION MARKET SHARE PROFIT PRODUCTIVITY QUALITY -Better products & services -Improved processes -Compete with value PRICE -Compete with Price -Decreased cycle time -Eliminate set-up times COST -Opportunity for profit PRODUCT QUALITY PROCESS QUALITY -Reduce rework -Eliminate in-process inspection -Reduce scrap -Increase product life -Eliminate ing testing Plan Do Check Act 5 Juran Juran taught: Breakthrough performance Pareto effect Importance of management principles Quality by design and planning 6 Juran’s Contribution Planning Cost of Poor Quality (Percent of operating costs) Production Begins Original zone of process control New zone of process control 0 20 40 0 Control Time Improvement Lessons Learned Sporadic spike from observed problem Chronic Waste (an opportunity for improvement) Control Special cause variation Common cause variation 7 Crosby Crosby taught: Customer requirement is performance standard Quality maturity is a journey Preventive action as basic approach 8 Taguchi Taguchi taught: Cost of poor quality is loss to society as a whole Robust quality is designed for consistent production Design control is more important than production control 9 Taguchi’s Contribution Lower Specification Limit Upper Specification Limit Nominal Value Region of p