10 April 2013 A magneto-rheological fluid-based torque sensor for smart torque wrench application
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Abstract
In this paper, the authors have developed a new application where MR fluid is being used as a sensor. An MR-fluid based torque wrench has been developed with a rotary MR fluid-based damper. The desired set torque ranges from 1 to 6 N.m. Having continuously controllable yield strength, the MR fluid-based torque wrench presents a great advantage over the regular available torque wrenches in the market. This design is capable of providing continuous set toque from the lower limit to the upper limit while regular torque wrenches provide discrete set torques only at some limited points. This feature will be especially important in high fidelity systems where tightening torque is very critical and the tolerances are low.
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Farzad Ahmadkhanlou, Farzad Ahmadkhanlou, Gregory N. Washington, Gregory N. Washington, } "A magneto-rheological fluid-based torque sensor for smart torque wrench application", Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 868819 (10 April 2013); doi: 10.1117/12.2009947; https://doi.org/10.1117/12.2009947
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