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Noise and Vibration in Chain Saws
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Language:
English
Abstract
Noise ratings cover the three areas of conservation of hearing, speech communications, and annoyance. Correction for the intermittent noise exposure from a chain saw can be computed (based on a day-by-day log of a chain saw operation in the woods). Temporary threshold shift a measure of permanent threshold shift or hearing loss.
Noise considerations and factors are: noise measurement, including approximate meterless methods; muffler design; and noise sources other than exhaust.
Vibration in 2-stroke cycle internal combustion engines, and distribution of vibration amplitude over a chain saw operator's arm are discussed. Physical injury is shown to be a function of the amplitude/frequency ratio. Disagreeable vibrations and injurious vibrations are not necessarily the same.
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Authors
Citation
Bailey, J., "Noise and Vibration in Chain Saws," SAE Technical Paper 630424, 1963, https://doi.org/10.4271/630424.Also In
References
- International Organization for Standardization -- I.S.O. Technical Committee I.S.O./TC 43 235 August 1961
- Handbook of Noise Control Harris Cyril M. Ph.D. McGraw-Hill Book Co. Inc. 1952 7 3
- “Noise, Vibration and Escape of Exhaust Gases in Power Saws United Nations Report,” Economic Commission for Europe Joint Committee on Forest Working Techniques and Training of Forest Workers -- Geneva 1962
- Kamo Roy Iwatsuki Frank “Less Noise From Small Engines,” Product Engineering November 27 1957
- Walter Hoover Franken “Designing a Muffler for Small Engines,” Bolt, Beranek and Newman, Inc. Noise Control March 1959
- “Noise Reduction,” Beranek Leo L. McGraw-Hill Book Co. 1960
- Thompson S. E. “BP-1 Vibrations,” McCulloch Corp. Report
- Noise Control Safety Orders November 1962 State of California, Department of Industrial Relations
- Carlson Richard W. “How To Select Vibration Isolation” Product Engineering March 4 1963