Quality, QFD and Control Charts: A Managerial Assessment During the Product Development and Production Process 2001-01-3365
Quality Engineering looks at designing Quality into every product and all the processes. Design is surely the most important phase for Quality both of products and processes. Quality Function Deployment (QFD) and Taguchi Methods were both originated in Japan and is claimed as very important for Quality design. They are usually considered synergical for the development of products and processes. Are they good?
Productivity improves as the quality of the process moves upwards. The Japanese learned in 1950 that this can be achieved if the process is in control. Economic manufacturing requires quality control and improvement and, consequently, the use of “Quality tools” such as Statistical Process Control, Control Charts, and DOE. The paper will consider show that an incompetent approach to Quality, and to Quality Methods, can do more harm than good.