Type CH elements are for heavy-duty clutch and brake applications and can be air- or hydraulically actuated. The friction disc packs are for wet or dry operation, and actuation is accomplished through internal shaft and clutch passages. When used as a wet clutch, coolant oil is forced through the friction disc pack from an internal shaft package. Type CH elements are available in six sizes, with torque ratings to 1,038,000 lb-inches. Sintered bronze friction material, operating in oil, provides a low static-to-dynamic torque ratio.
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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