Abstract
The potential health injuries associated with human hand-transmitted mechanical vibration which caused during driving vehicles, and operating on hand-held power tools. In this study five Degree-of-Freedom (DOF) human hand-arm system model is developed to analyze HAS model in terms of acceleration responses. The study analysed one of the possible protective way to reduce hand-transmitted vibration by using the anti-vibration isolators to machine handle. This study presents biomechanical models consisting deflection patterns due to masses at the finger, palm-wrist and upper-arm, corresponding to different modes of vibration, subject to z-axis vibration. A MATLAB-SIMULINK based model is also developed to determine the effect of vibration transmission from machine tool handle. The anti-vibration isolators have been introduced as a gripper of machine tool handle and simulation results shows significantly better damping characteristics and reduction of the vibration transmission effect to HAS.
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