Anyone who has faced a production problem with a need to solve it by using production data can relate to the notion of a brain teaser. The brain teasers presented here are based on real-world situations that are encountered by workers in manufacturing environments. The brain teasers have three parts: (1) the situation, (2) available data or other supporting information and (3) questions that various workers want answered for continual improvement. Recommended solutions follow in the next issue and on the Web at Quality Online (www.qualitymag.com).
Siemens Diesel Systems Technology (SDST, Richland County, SC), a joint venture between Siemens Automotive Corp. and NLP Inc., a subsidiary of International Truck and Engine Corp., needed a statistical process control (SPC) software solution to manage the quality of its diesel fuel injectors.