Metrological characterization of a 2 kN · m torque standard machine for superposition with axial forces up to 1 MN

Baumgarten, Sebastian; Kahmann, Holger; Röske, Dirk

doi:10.1088/0026-1394/53/5/1165

Cited by 11 publications

(5 citation statements)

References 7 publications

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“…The following sections are only a summary of the important points of the measurement uncertainty budget, more details about this very comprehensive topic in [9]. A specific measurement uncertainty budget for the additional facility is presented.…”

Section: Measurement Uncertainty Budgetmentioning

confidence: 99%

Multi-component measuring device - completion, measurement uncertainty budget and signal cross-talk for combined load conditions

Baumgarten

Röske²,

Kumme³

2017

ACTA IMEKO

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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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Section: Measurement Uncertainty Budgetmentioning

confidence: 99%

Multi-component measuring device - completion, measurement uncertainty budget and signal cross-talk for combined load conditions

Baumgarten

Röske²,

Kumme³

2017

ACTA IMEKO

Self Cite

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“…Several calibration setups for multi component force and torque sensors have been presented in the literature. For instance, the Physikalisch-Technische Bundesanstalt (PTB) in Germany have two calibration setups [7,12] used for calibrating multi-component force sensors. The first system can be used to calibrate six component force and torque sensors and has a measuring range of up to 10 kN for the forces and 1 kN•m for the torques.…”

Section: Introductionmentioning

confidence: 99%

A self-calibrating multicomponent force/torque measuring system

Marangoni

Schleichert

Rahneberg

et al. 2018

Meas. Sci. Technol.

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A multi-component self-calibrating force and torque sensor is presented. In this system, the principle of a Kibble balance is adapted for the traceable force and torque measurement in three orthogonal directions. The system has two operating modes: the velocity mode and the force/torque sensing mode. In the velocity mode, the calibration of the sensor is performed, while in the force/torque sensing mode, forces and torques are measured by using the principle of the electromagnetic force compensation. Details about the system are provided, with the main components of the sensor and a description of the operational procedure. A prototype of the system is currently being implemented for measuring forces and torques in a range of ±2 N and ±0,1 Nm respectively. A maximal relative expanded measurement uncertainty (k=2) of 10•10-5 is expected for the force and torque measurements.

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“…Similarly to uniaxial force transducers, most of MCFMTs are composed of different strain-gauge bridges, each dedicated to a specific component to be measured. The intrinsic influence between the different components, however, cannot be ignored, and cross-talk signals for combined axial forces and moments must be examined in calibration operations [20]. Therefore, calibration measurements with various combinations of applied forces and moments are essential for accurately evaluating sensitivity or exploitation matrix terms.…”

Section: Calibration Procedures and Uncertainty Assessment Of An Mcfmtmentioning

confidence: 99%

Calibration of multicomponent force and moment transducers using uniaxial force standard machines integrated with tilted plates

Prato¹,

Borgiattino²,

Facello³

et al. 2022

Meas. Sci. Technol.

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Traceability of multicomponent force and moment transducers is a metrological priority as stated within the document of future strategy 2017 to 2027 of the Consultative Committee of Mass and Related Quantities of BIPM. In this paper, a calibration system using force standard machines integrated with tilted plates is described. The main advantage of this method is the possibility to apply force and moment components using existing uniaxial force standard machines without the necessity to modify them or to develop specific ones. On the other hand, force and moment components cannot be fully independently applied. Expanded uncertainties of the applied side forces and moments are in the order of around 5 %, acceptable for several industrial applications. A procedure for the calibration and the uncertainty assessment of multicomponent force and moment transducers is also provided. Calibration results, in terms of main and cross-talk sensitivities, of a six-components transducer are shown. This method is easily implementable and can be adopted to improve the current standard.

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Metrological characterization of a 2 kN · m torque standard machine for superposition with axial forces up to 1 MN

Cited by 11 publications

References 7 publications

Multi-component measuring device - completion, measurement uncertainty budget and signal cross-talk for combined load conditions

Multi-component measuring device - completion, measurement uncertainty budget and signal cross-talk for combined load conditions

A self-calibrating multicomponent force/torque measuring system

Calibration of multicomponent force and moment transducers using uniaxial force standard machines integrated with tilted plates

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