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  • Miniature, Low Range, Torque/Thrust Measurement
    A customer needs to measure the reaction torque and axial force on very small dental drills used to perform root canals. These drills are tested in Lexan blocks that have a pilot hole pre-molded in them, then drills of increasing size are run into this hole.
  • Factors to Consider When Choosing an Actuator of Four Feet or Less (.pdf)
    that can meet all of the above requirements in its conversion of motor torque to linear thrust is the single axis ball screw actuator. Ball screws convert rotary motion to linear motion, or torque to thrust, and vice versa. The ball screw actuator is a combination of a ball screw on which, to eliminate
  • Bearings take the heat
    Graphite-metal bearings can handle harsh environments that toast liquid-lubricated types. Graphalloy bearings and bushings are available as flanged bushings, thrust washers, and pillow blocks in bores to 20 in. Compression strength ranges from 15,000 to 25,000 psi, depending on grade. The bearings
  • LSMs Ride the Wave of Modular Manufacturing
    with a permanent-magnet array on its underside "rides " the wave. Vehicles can travel in either direction to precise, programmed positions at speeds to 5 m/sec, 4 faster than conventional belt conveyors. Higher-thrust LSMs can propel vehicles weighing tens of thousands of pounds with sufficient power to negotiate
  • Ford's Power Stroke Diesel Increases Power and Torque and Meets Emission Standards
    components that must be cooled away from the hot exhaust pipes. * A single-sequential turbocharger from Honeywell drives two compressor wheels using one turbine impeller. This combines the benefits of a single inertia wheel for faster responses with the thrust of a larger turbocharger, so it can
  • Ball-screw rigidity is a matter of definition
    Not all ball-screw makers spec products the same way. This stiffness test rig uses a force sensor to measure axial thrust. A bracket clamped onto the drive journal prevents backdriving of the screw. The nut block has exchangeable inserts and hydraulically clamps to the cast-iron base. Three LVDT

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