Study for Initial Load Effects on the Calibration of Load Cells

Authors

  • Seifelnasr M. Osman National Institute for Standards (NIS),
  • R. Hegazy
  • M. A. Elhakeem
  • M. I. Mohamad

DOI:

https://doi.org/10.24203/ajas.v8i2.6100

Keywords:

Load cell, initial load, strain gauges, calibration, loading frame

Abstract

This work was carried out by the National Institute of Standards NIS), Egypt, as a result of experimental cases in load cell applications. The aim of this study is to compare the behavior of load cell works under initial load with the ideal working case. The study was carried out using seven load cells from different manufacturers and with different types, capacities, working modes and classes. As a result of the behavior of the load cells during this study; it is clear that the response of the load cells previously loaded against applied load differ from the ideal case. Load cell operators have to carry out mathematical calculations to correct the reading rather than using electrical methods to readjust the zero signal and neglecting the initial applied load.

Author Biography

Seifelnasr M. Osman, National Institute for Standards (NIS),

Force and Material Metrology Departement

References

Dan Mihai Stefanescu, Alexandru Stefanescu. “Criteria for Choosing the Elastic Elements of Force Transducers†In Proceedings of the 17th International conference IMEKO TC3. (Sept.2001).

International Standard ASTM E74-16 “Standard Practice of calibration of force-measuring instruments for verifying the force indication of testing machinesâ€, 2016

International Standard ISO376:2011 “Metallic materials – Calibration of force-proving instruments used for the verification of uniaxial testing machines†Fourth edition, June 2011.

Morehouse universal loading frame operating manual- www.mhforce.com

Shigley’s Mechanical Engineering Design,†Mechanical engineeringâ€, McGraw-Hill, Eights edition 2006, ISBN:0-390-76487-6.

DMP-40 catalogue, HBM Company-www.hbm.com.

Charles Lipson "statistical Design and analysis of engineering experiments", Mc Graw-Hill,1985.

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Published

2020-04-21

How to Cite

Osman, S. M., Hegazy, R., Elhakeem, M. A., & Mohamad, M. I. (2020). Study for Initial Load Effects on the Calibration of Load Cells. Asian Journal of Applied Sciences, 8(2). https://doi.org/10.24203/ajas.v8i2.6100

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