Abstract
The concern for quality assurance and improvement of the manufacturing processes of plastic materials is of great interest to industry companies offering the guarantee to ensure the conformity, performance, competitiveness and profitability. This paper addresses the importance of improving the quality of plastics manufacturing processes, on high (flow) performance. It illustrates the application of the “Six Sigma” statistical method for injected products that have certain defects / nonconformities, especially dimensional manufacturing. Keywords: plastic products, quality, six sigma, manufacturing process, efficiency