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Article

Title: A new dynamic torque calibration device at PTB
Author(s): L. Klaus and M. Kobusch
Journal: Measurement: Sensors
Year: 2021
Volume: 18
Pages: 100149
DOI: 10.1016/j.measen.2021.100149
ISSN: 26659174
File URL: https://linkinghub.elsevier.com/retrieve/pii/S2665917421001124
Abstract: Research in the field of dynamic torque calibration has gained some momentum in the last few years. At PTB, a calibration device for small dynamic torque levels up to about 0.5 N m proved the working principle of dynamic torque calibrations with sinusoidal excitation. In a next step, a new calibration device was developed with the intention of generating higher dynamic torque levels in the range of up to 20 N m. Although this is still less than many industrial applications require, it could pave the way to higher torque levels. The new calibration device features a horizontal arrangement of all components of the drive shaft. The device consists mostly of industrial components that have been modified, rather than custom-made components. After commissioning, optimising the device enabled a frequency range from 10 Hz to up to 400 Hz.

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