저소음형 유압 브레이커의 음향-진동 설계 및 개발Vibro-acoustic Design and Development of a Low-noise Hydraulic Breaker

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Hydraulic breaker is currently used for many civil engineering areas owing to the ease of changing the tooling mechanism. However, due to a high noise level, it has been one of notorious sources of environmental noise and the prevailing environmental concerns force the manufacturers to reduce the radiated noise levee during operations. To comply with such concerns, the present study is focused on designing and developing a low-noise hydraulic breaker For this purpose, sound sources are identified and relative contributions are rated. Acoustic enclosure. sealing systems, and low-nolle type chisel have been developed and applied to the actual machine. As a result, the radiated noise from the developed low-noose hydraulic breaker is reduced more than 13 dB(A) In comparison with the conventional hydraulic bleaker.
Publisher
한국소음진동공학회
Issue Date
2001-08
Language
Korean
Citation

한국소음진동공학회논문집, v.11, no.5, pp.148 - 155

ISSN
1598-2785
URI
http://hdl.handle.net/10203/84970
Appears in Collection
ME-Journal Papers(저널논문)
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