Taguchi's Method for Robust Design December 10, 1997 David G. Ullman Professor, Department of Mechanical Engineering Oregon State University Corvallis Oregon, 97331 USA 541-737-2336 FAX 541-737-2600 ullman@engr.orst.edu www.engr.orst.edu/~ullman

Documented Results from Use

•96% improvement of NiCAD battery on satellites (JPL/ NASA) •10% size reduction, 80% development time reduction and 20% cost reduction in design of a choke for a microwave oven (L.G. Electronics) •$50,000 annual cost savings in design of heat staking process (Ann Arbor Assembly Corp) •60% reduction in mean response time for computer system (Lucent)

•$900,000 annual savings in the production of sheet-molded compound parts (Chrysler) •$1.2M annual savings due to reduction in vacuum line connector failures (Flex Technologies) •66% reduction in variability in arrival time and paper orientation (Xerox) •90% reduction in encapsulation variation (LSI Corp)