Abstract

Boring operations are challenging owing to limited process performance due to inherent tool overhang a nd resulting vibrations. The tool vibrations can be suppressed with insertion of suitable damping methodology. The fine particle im pact damping offers a better damping method. Due to its conceptual simplicity, p otential effectiveness over a wide frequency range, temperature and degradation insensitivity and cost-effectiveness, particle damp ing is an attractive passive damping. The fine particles embedded within small hole in a vibrating structure to dissipate the exciting energy thereby damping the vibrations. The present work, investigates the improvement of surface quality of boring operation using fine particle impact damper. Substantial impr ovement of surface quality of the internally machined surfaces has been noticed i n the experiments.

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