John has been with ASSEMBLY magazine since February 1997. John was formerly with a national medical news magazine, and has written for Pathology Today and the Green Bay Press-Gazette. John holds a B.A. in journalism from Northwestern University, Medill School of Journalism.
A typical Porsche sports car contains more than 2,000 individual wires. If laid end to end, the wiring would stretch 2 to 3 kilometers. Designing such a complex wiring system would be challenge enough, but at Porsche, almost no harness design in series production matches another one.
Originally developed for joining aluminum, friction stir welding is now being applied to other materials, including steel, copper, titanium and even nylon.
The manufacturer needed to present thin steel blades down an assembly line in a specific orientation. However, the parts were essentially symmetrical, with the exception of a small notch that had to be presented on the right side. With no real differences in the part other than this notch, feeding them to an assembly mechanism with 100 percent accuracy was a challenge.
Disposable or reusable? Consumers face that choice many times each day. Should we buy a bottle of water for the gym or fill a thermos at home? Should we eat dinner on paper plates or use the dishes? Which to choose depends on many factors, including convenience, cost and the environment.
In August, workers at Nissan Motor Co.’s assembly plant in Canton, MS, voted nearly two to one against representation by the United Auto Workers (UAW).
Manufacturers of complex products, such as engines and transmissions, have long been using radio frequency identification (RFID) technology to error-proof their processes, document quality, and deal with high-mix production.