The term plain bearings is a misnomer. True, these bearings are not as mechanically complex as antifriction bearings, but don't let their simplicity fool you.
Weston Medical Group PLC (Cambridge, U.K.), a manufacturer of medical products, recently introduced a prefilled, disposable, needle- free drug injector.
The auto industry and the U.S. government are touting hydrogen-specifically cars powered by hydrogen fuel cells-as the savior of the environment. President Bush endorsed hydrogen fuel cell powered cars in his State of the Union address, saying "The first car driven by a child born today could be powered by hydrogen, and pollution-free."
Getting the right part in the right place, in the right orientation, and at the right time is vital to time- and cost-efficient assembly. This article provides tips and techniques for effectively feeding and positioning parts for both manual and automated applications.
Microscopic mechanical gizmos called microelectromechanical systems (MEMS) and microstructure technology (MST) devices are increasingly being used in the macroscopic world.