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TRACEABLE DETERMINATION OF MECHNICAL PARAMETERS OF BINOCULAR SHAPED FORCE TRANSDUCERS ACCORDING TO EN ISO 376

机译:根据EN ISO 376来确定双曲线形力传感器的机械参数

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This paper discusses the traceable determination of mechanical parameters of monolithic binocular shaped dual beam spring elements that are applied as force transducers and load cells in the mass and force metrology. Thereby it mainly deals with the measurement of the specific values creeping, reversibility, reproducibility, zero error and interpolation error which are defined in applicable regulations such as the EN ISO 376 standard or the OIML recommendation R 60. Our determination of those parameters is based on an interferometric deformation measurement of a loaded binocular shaped dual beam spring element which is made of the common aluminum alloy AW 2024. Generally there is no restriction on the spring element material. The parameters mentioned above are derived from the measured interferometer signal according to the EN ISO 376 standard and are thus traceable to the wavelength of light. The used measurement setup is introduced, measurements of the mentioned parameters are presented and their uncertainty is depicted. It is proved that the setup is suitable to classify dual beam spring elements according to the highest accuracy Class 00 of EN ISO 376.
机译:本文讨论了在质量和力计量学中用作力传感器和称重传感器的整体式双目双梁弹簧元件的机械参数的可追溯性确定。因此,它主要处理特定值的蠕变,可逆性,可再现性,零误差和插值误差的测量,这些特定值在适用法规(例如,EN ISO 376标准或OIML建议R 60)中定义。我们对这些参数的确定基于负载双筒形双梁弹簧元件的干涉变形测量,该元件由普通铝合金AW 2024制成。通常,弹簧元件的材料没有限制。上面提到的参数是根据EN ISO 376标准从测量到的干涉仪信号中得出的,因此可以追溯到光的波长。介绍了使用的测量设置,介绍了上述参数的测量,并描述了其不确定性。事实证明,该设置适合根据EN ISO 376的最高精度00级对双梁弹簧元件进行分类。

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