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Noise Reduction of a Bank Teller Cash Recycler
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 Title & Authors
Noise Reduction of a Bank Teller Cash Recycler
Won, Hong-In; Sim, Woojeong; Kim, Jaewon; Park, Changho; Kim, Jongwoo; Jung, Woochul; Chung, Jintai;
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 Abstract
This paper proposes design guidances for noise reduction of a bank teller cash recycler(TCR). The operating noise of a TCR is required to be reduced because it bothers bank tellers and customers. The operating noise from a TCR is measured and the most influential driving system is examined. To find the main sources of the noise, the frequency spectra are analyzed by comparing with excitation frequencies of the driving system. From the analysis results, we reveals that the main sources of the noise are gear mesh frequency of a certain gear train and its side band frequencies, which is attributed by vulnerable support condition. Consequently, to reduce the operating noise, the structural modification for the gear train support is suggested and its effectiveness for the noise reduction is confirmed experimentally.
 Keywords
Automatic Teller Machine(ATM);Teller Cash Recycler(TCR);Gear Mesh Frequency(GMF);Low Noise Design;
 Language
Korean
 Cited by
 References
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