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High-Frequency Vibration from Hand-Held Impact Wrenches and Propagation into Finger Tissue
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.ORCID iD: 0009-0008-8340-0638
RISE Research Institutes of Sweden, Materials and Production, Manufacturing Processes.ORCID iD: 0000-0001-5361-440x
2023 (English)In: Proceedings, E-ISSN 2504-3900, Vol. 86, p. 10-, article id 1Article in journal (Refereed) Published
Abstract [en]

High-frequency shock-type vibration (HFV) with a frequency content mainly above 1250 Hz, e.g., from impact wrenches, is likely to cause a significant amount of vibration injuries and even hand-arm vibration syndrome. The objective of this study was to measure vibration up to 100 kHz with a Laser Doppler Vibrometer (LDV) and investigate the variation of vibration over the machine surface, the vibration propagation into finger tissue, and the vibration reduction on the finger tissue due to a foamed polymer layer. Our results showed that the vibration on the handle varies moderately and that the amplitudes are higher on the machine surface. A large proportion of the vibration is transferred into the finger tissue and thereby subjects the finger tissue to high-vibration amplitudes, but it is effectively reduced by a thin layer of foamed polymer.

Place, publisher, year, edition, pages
MDPI , 2023. Vol. 86, p. 10-, article id 1
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-67101DOI: 10.3390/proceedings2023086010OAI: oai:DiVA.org:ri-67101DiVA, id: diva2:1797323
Conference
ICHAV 2023 15th International Conference on Hand-Arm Vibration
Available from: 2023-09-14 Created: 2023-09-14 Last updated: 2023-09-21Bibliographically approved

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Gretarsson, SnaevarLindell, Hans

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