Research On Product Quality Improvement Of Hongfu Company

With Six Sigma at Motorola and General Electric's great achievements, Six Sigma has been widely recognized by the world management community. Currently, Six Sigma is no longer just be seen as a statistical concept or a process improvement tool designed to help manufacturers improve manufacturing processes, reduce product defects, Six Sigma has evolved into a manufacturing enterprise to enhance the competitiveness of the business strategy and organizational change approach. Chinese manufacturing enterprises know about Six Sigma in the end of 1990s, facing increasingly market competition, more and more manufacturers try to import the Six Sigma management, hoping to improve product quality to enhance the competitiveness of enterprises.This thesis first describes the connector industry trends and the status of Chinese connector manufacturing, followed by Hongfu company's product quality problems in quality management in a detailed analysis, and then through Six Sigma management: the Definition - Measurement - Analysis - Improvement - Control methods are used to study the processes, with Wn analysis, cause and effect matrix, Plato's analysis of the process of Six Sigma tools to conduct a comprehensive analysis. With quantitative measurements and analysis, the root reasons of causing problems are identified. With the data, describe the performance of the product manufacturing process; with design of experiment(DOE) methods , optimize the process parameters. Studies have shown that the Six Sigma management is successfully implemented. Hongfu company SH-01 product qualified rate enhanced from the 69.76% to 97%, Sigma level of quality changed from the original 0.52 to 3.38 sigma. Optimized process not only significantly reduces product cost, but also accepted by customers. Customer satisfaction has been improved with satisfactory results.