QUALITY IMPROVEMENT METHODOLOGIES FOR CONTINUOUS IMPROVEMENT OF PRODUCTION PROCESSES AND PRODUCT QUALITY AND THEIR EVOLUTION

摘要

In order to be competitive companies try continuously improve their production processes, product quality and increase the level of customer satisfaction by implementing different quality improvement programs, methodologies and approaches. Nowadays there are different worldwide used methodologies like PDAC, 8D, Six Sigma DMAIC, 4Q which enables the companies to select and combine them for continuous improvement. In this paper will be introduced the general idea of using these methodologies, it will be followed by discussion where will be made the comparative analysis that will clarify their advantages and disadvantages and shows in what case the appropriate methodology could be selected.