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  • Closed-Loop Servo Puts Spring Force On Target
    The retention force of a spring is difficult to set accurately under a mechanical assembly press when it's measured as displacement. But a digital servosystem reliably does the job. EDITED BY John R. Gyorki A mechanical assembly press from Promess incorporates a servocontrol system
  • Gas Spring Technical Info: How It Works
    of the rod. As the piston rod is introduced into the cylinder (compression stroke), the internal pressure increases according to the volume of gas displaced buy the rod. This increase in Force or K-Factor is normally between 5% - 50%. In comparison to mechanical springs, gas springs are almost
  • Springs
    assemblies, and constant-force springs. Helical extension springs are most common. Drawbar spring assemblies are useful when a fixed stop is required. Constant-force springs are similar to power springs except they are loaded by pull rather than twist. Retaining rings and garter springs push or pull
  • Characterizing a rapid thermal annealing process to improve sensor yield
    to displacement is the traditional spring constant ( ), while the relative difference in capacitance between the two capacitor plates represents the initial offset ( ) in the direction of the applied force. Optimally, the sensor will have zero initial offset and a spring constant that maximizes signal
  • Hydraulic Speed Control
    are linear-acting devices that precisely regulate displacement versus time. Specifically, a load applied to the HSC's piston rod is maintained at a constant speed throughout the entire compression stroke. HSCs, like shock absorbers, transform kinetic energy into heat by means of hydraulic orificing

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