Composite spherical and journal bearings are for use in hostile environments, particularly where corrosion resistance is important. These bearings feature a spherical outer surface and are constructed of Teflon and polyester fibers woven into a self-lubricating, bondable fabric supported by a filament-wound, fiberglass epoxy shell. The bearings are self-aligning and can take dynamic misalignment, oscillating, and linear motion. The bearings are targeted for use in surgical and optical equipment, especially where corrosive fluids such as blood and saline solution are present.
Rexnord Corp., 2324 Curtiss St., Downers Grove, IL 60515, FAX (630) 969-8752.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicleís parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but thatís just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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