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Title: The 1st Uk National Standard Static Torque Calibration Machine - New Design Concepts Lead The Way.
Author: Francis A. Davis
Source: 2002 Measurement Science Conference
Year Published: 2002
Abstract: This paper considers the needs of a national torque calibration facility and how the National Physical Laboratory surveyed UK industry and European national measurement institutes to develop the specification for the first UK static torque standard calibration machine. In common with other national standard torque calibration machines, torque will be generated using a lever-deadweight system. Designs based upon horizontally and vertically mounted transducers are reviewed. Despite the greater difficulty in applying torque forces to a vertically mounted transducer this design was selected as it enables a symmetric pure torque to be applied. In addition, this design provides adaptability, enabling comparisons with the application of asymmetric torque and onthe- fly torque calibrations to be studied.

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