Optimization of the vibrational comfort a hand drill
In this investigation, the novel multi-axial vibration absorber is proposed to reduce the handle vibration of hand drill. The proposed vibration absorber is designed using Dunkerley’s equation and fabricated for testing. Modal analysis of absorber is conducted to find resonance frequencies of the absorber and to validate the results obtained from equations.
Computational Simulations are carried on hand drill with absorber attached near handle location to find effectiveness of absorber in
reducing hand-arm vibrations in the x, y and z directions.
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