Study On Product Quality Improvement In Company F Based On DMAIC

Company F is professional manufacturing company engaged in 6C industries such as computer, communication,consumer electronics,digital contents,automobile components, pathways etc. The operating philosophy of company F is speed,quality,engineering service,flexibility and cost. Quality improvement is always being the long-term focus of company F. Learning Toyota company of lean production concept and production management mode and pursuit the best aspects establish FPS/FQM production management mode in top executives according to actual situation. In order to ascend production yield and reduce potential risks,under the leadership of company top leaders,all members of the company is responsible to promote six Sigma and learn management idea,quality analysis tools and methods which are applied to daily work.In this paper the implementing six Sigma in specific cases as the breakthrough point, to point to surface, from local to overall, to study F enterprise quality management. The connector LDXXX for Japanese client used to be found housing scratch problems in process. Based on FQM quality management system and DMAIC (Define, Measure, Improve, Analyze and Control) of six Sigma management tools and techniques being carried out in our company, we collect data and search the reasons. Then we use Minitab software to analyze the data. Now, we have made great improvement,the nonconformities rate was reduced from 0.79% to 0.12% and saved 137,643 RMB. Now the improved actions have been applied to other similar products manufacturing process. To make it the successful experience of based on existing can reach twice the result with half the effort.This tools applied in the research include FQM, Pareto chart, Defects control plan, RFC, Analysis form, six Sigma tools, Hypothesis test, Defect analyze methods,Wn&Sn method, Gauge R&R, TRIZ analysis, Binary Logistic method, QC seven methods and SPC etc.The goal of six Sigma is to reach perfect quality. In other meaning the spirit of six Sigma is a continuous improvement and innovative culture. Since 2006, company F has started to drive six Sigma projects and made a great success. Six Sigma has been a culture of company F and will have a great growth in the future.