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Converting mechanical energy to fluid form provides the "muscle" in a fluid-power system.

By Paul KurowskiPresident, ACOM Consulting, London, Ontario, Canada, Barna SzaboProfessor of Mechanics, Washington University, St.

Fluid-handling or transfer devices are not basically concerned with the modulation or transfer of power, but only with the movement of fluid.

Steels that contain specified amounts of alloying elements -- other than carbon and the commonly accepted amounts of manganese, copper, silicon, sulfur, and phosphorus -- are known as alloy steels.

Setscrews are semipermanent fasteners that hold collars, pulleys, or gears on shafts.

The secret to strong, reliable adhesive bonding is to start with good clean surfaces.

Engelbart is known as the inventor of the computer mouse, but, as he says, that innovation was incidental to a much larger vision of collective intelligence

Soldering uses alloys that melt below 840°F to join metals.

Industrial applications use direct current motors because the speed-torque relationship can be varied to almost any useful form -- for both motor and regeneration applications in either direction of rotation.

ThermoplasticsStarting with billions of molecules of monomer in a reactor, heat and pressure are applied in the presence of catalysts, causing one of the monomer double bonds to rearrange into two "half-bonds," one at each end.

For instrument bearings, certain special considerations should be emphasized.

Circuit breakers are manual switches that open under overload conditions.

Driveline components transmit and control power and motion.

Generally, hydraulic and pneumatic motors are organized along similar principles.