Handbook of Force Transducers by Dan Mihai Ştefănescu

Author:Dan Mihai Ştefănescu
Language: eng
Format: epub
ISBN: 9783030353223
Publisher: Springer International Publishing

The calibration tests (diagrams of bridge output versus applied load) prove a satisfactory linearity and are in good agreement with the predictions made using FEA for a load of 2 MPa traveling with 60 km/h speed.

12.3 WIM with Shear Bridges [9]

Shear SGs are bonded on ±45° directions upon the central elastic plate (0.5 mm thick), being united with the two outer plates (3.18 mm thick). State of the main stresses (von Mises) in the deformed shear beam module and central elastic plate is shown in Fig. 12.4a.

Fig. 12.4Shear beam “sandwich”: initial design (a), improved design (b), strain gauges positioning (c), Wheatstone bridge connection (d) and final WIM assembly (e) developed by ROC Company (Austria) [9]

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