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Conduct Research Top

  • Selecting Spring Loaded Devices
    When an engineer's objective is to align, hold, or latch different parts of equipment together, you need a spring loaded device. The options for these components are many and varied. J.W. Winco - Engineering Tips - Selecting Spring Loaded Devices. Engineering Tips: Selecting Spring Loaded Devices
  • John Deere Uses Simulation to Dramatically Improve Tractor Comfort
    . Combined with the planned attachment of isolators at the rear end of the cab, the 1 Hz specification meant that a static spring deflection of 60 mm was needed between a fully loaded and minimally loaded cab. With such a soft suspension, a load leveling system was needed in order to achieve sufficient
  • Portable Hardness Testing Facts
    of portable hardness testing that is accepted in the field today. "Dynamic Impact" is based on the Leeb principle of hardness, developed by Dietmar Leeb in the 1970's. A spring loaded impact body is thrust to the test surface, effecting rebound. The speed of both the initial thrust and the rebound
  • Proper Training, Protective Gear, and Design Essential to Mower Safety
    as a spring-loaded lever is held against the mower's handle. During the incident, the renter continued to hold the lever down with one hand and walk behind the mower while attempting to reattach the grass-collecting bag. A plastic frame that slides into slots on the mower's chute holds open the inner end
  • Medical Device Link . Medical Design Excellence Awards Finalists, part 2
    digital readout. Unlike traditional catheter systems that require a separate device to inflate the balloon, the Rebel's balloon pressure is controlled by moving a small rod into and out of the operator end of the catheter. In addition, the digital pressure display gives the operator clear, immediate
  • Medical Device Link .
    a 0.01 0.5-cm3 shot size, making it suitable for UV-curables and other adhesives and fluids. A variation on the pinch valve, the positive-displacement valve expands on the pinch-tube design with the incorporation of a metering rod. The valve is pneumatically actuated and can be combined with a servo
  • Peristaltic Pumps Provide Option for Ethanol Producers
    parts within each joint, including the ends of the connecting rod. The ramifications of abrasion wear on common PD pumps cannot be overstated. For instance, when repairing a progressive cavity pump it is necessary to disassemble the entire apparatus, replace the stator and sometimes the rotor�a repair
  • Short, Sharp, Shock - Testing Materials at High Strain Rates
    a guided free falling or spring assisted weight and puncture probe.  These machines develop similar strain rates but are capable of generating impact energies of 60,000J.  At the other end of the spectrum, Hopkinson Bars and Gas Guns, which rely on force transmission via a gas pressure assisted rod