Examination of the adaptor approach for the measurement of hand-transmitted vibration exposure

Authors

  • Xueyan S. Xu Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Daniel E. Welcome Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Christopher Warren Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Thomas W. McDowell Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Ren G. Dong Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States

Keywords:

Ergonomics, Vibration measurement, Frequency ranges, Fundamental resonance, Grip force, Hand-arm system, Hand-arm vibration, Hand-transmitted vibration, Optimized designs, Rotational vibrations, Test condition, Translational vibration, Vibration excitation, Vibration transmissibility

Abstract

The specific mechanisms of the biodynamic effects is found and the optimized design of the adaptor and its hand-holding strategy is found so that the undesired effects could be minimized. Three adapters were considered and experiment was carried out on a hand-arm vibration test system equipped with an instrumented handle that can measure the tri-axial vibration excitations and the applied grip force. Three subjects participated in the test of the palm adapter and two of them participated in the tests of the other two adapters. The vibration transmissibility functions of the palm adapter under different test conditions are found. The results show that the vibration of a finger adapter could be greatly affected in the frequency range from 25 to 80 Hz, especially in the range (30 to 50 Hz) of the fundamental resonance of the hand-arm system. The rotational vibration is identified as one of the major sources affecting the translational vibration measurement required in the risk assessment of HTV exposure.

Additional Files

Published

2011-06-01

How to Cite

1.
Xu XS, Welcome DE, Warren C, McDowell TW, Dong RG. Examination of the adaptor approach for the measurement of hand-transmitted vibration exposure. Canadian Acoustics [Internet]. 2011 Jun. 1 [cited 2025 Feb. 13];39(2):32-3. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2343

Issue

Vol. 39 No. 2 (2011)

Section

Proceedings of the Acoustics Week in Canada

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