Multi-component measuring device - completion, measurement uncertainty budget and signal cross-talk for combined load conditions
DOI:
https://doi.org/10.21014/acta_imeko.v6i4.359Abstract
This paper present the completion and the measurement uncertainty budget of a multi-component measuring facility. The new facility is part of the 1 MN force standard machine [1] of the PTB. It enables the simultaneous generation of a torque in the range from 20 N·m to 2 kN·m in addition to axial forces 20 kN to 1 MN. This allows the characterization of measuring systems which require combined loads of axial forces Fz and torques Mz like friction coefficient sensors. The aim is a measurement uncertainty of (k = 2) for Mz < 0.01 % and Fz < 0.002 %. The physical model yields to extended measurement uncertainties (k = 2) for 20 N·m of 5.9·10-5 and for the maximum load step Mz = (2000 ± 0.084) N·m.
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