This book highlights the importance of quality control for injection molding the most commonly used plastics manufacturing method. It provides the guidance and information to apply quality assurance methods so that plastic parts are produced right the first time and through all manufacturing operations. The book details ways to improve plastics part design and quality, processability, and total manufacturing, and offers detailed information on machinery and equipment. It also updates the first edition with essential information on Six Sigma, ISO 9000, and TS 16949; computer-guided process control techniques; and lean manufacturing methods.