A Comparative Evaluation of Hand-Arm Vibration Impacts
Mots-clés :
hand-arm vibration, filter, ISO 5349, ISO 2631Résumé
La vibration main-bras est une transmission d’ondes résultant de l’utilisation de machines ou d’outils vibratoires aux mains et aux bras d’un travailleur. Cet article examine les caractéristiques d’atténuation de la courbe de pondération fréquentielle Wh et présente quelques résultats comparatifs des impacts de vibrations dus à l’utilisation de plusieurs outils à main. Des comparaisons ont été fait entre les méthodes de mesure prescrites par les normes ISO et l’analyse des données de vibrations brutes. Les résultats montrent que l’impact mesuré selon les normes ISO applicables est nettement inférieur à l’impact de vibration calculé à partir des données de vibration brutes. Cet article examine quelques autres paramètres potentiels qui pourrait être utilisés pour caractériser les impacts cumulatifs des vibrations main-bras.
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