Six Sigma is a very hot topic in the business world today. Originally developed by Motorola as a metric and methodology for reducing manufacturing defects, Six Sigma is now used to describe a broader array of process improvement methodologies. The focus of Six Sigma is to eliminate waste, redundancy, and error that result from unnecessarily complex or ill defined business processes. Over the pa...

This paper will apply product capability analysis chart PCAC in Measure step of Six Sigma. Because the test model is sampling, sampling error must be consider. Thus minimum value will be used to evaluate process capability. Besides the paper used minimum value to evaluate process capability, we also applied the concept of Six Sigma in PCAC and construct PCAC of Six Sigma standard. Finally, PCAC...

The present paper discusses the results of a research project going on at Politecnico di Milano, aiming at analysing the idiosyncrasies of Six Sigma implementations in Italian companies. In particular, the project addresses the following research questions, regarding the approach of Italian companies towards Six Sigma: are Italian companies implementing Six Sigma exactly as it was originally co...