• Web Tension Control Load Cells Double E International

    Load Cell Amplifiers from Double E for Web Tension Control Systems. Double E offers a variety of web tension control products including controllers load cells load cell amplifiers sensors etc. Ultrasonic Diameter Sensors. Ultrasonic Diameter Sensors for the safe and easy monitoring of web material rolls. Pneumatic Brakes for Unwind Stands

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  • Control of Strip Tension in a Rolling Mill Based on

    Control of Strip Tension in a Rolling Mill Based on Loopers and Impedance Control The main loads of the looper are its own weight the weight of the strip and the forces due to the tension forces and Some tandem rolling mills operate with an endless strip

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  • Open vs Closed-Loop Tension Control for Unwind or Rewind

    Closed-Loop tension control utilizes the web to provide direct feedback to either load cells or a dancer mechanism in order to regulate the torque device to an exact setpoint. Tension tolerance values for a well-designed and well-maintained closed-loop system are on the order of 2-5 tension variability or better. Closed loop systems also make

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  • Sensorless tension control in paper machinesIndustry

    Sensorless Tension Control in Paper Machines M. Aníbal Valenzuela Senior Member IEEE John Martin Bentley Life Fellow IEEE and Robert D. Lorenz Fellow IEEE Abstract— Proper operation of the dry end of a paper machine requires some type of sheet tension control. Present systems use either indirect-speed-control-based schemes or sensor

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