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Mining Publication: Continuous Mining Machine Conveyor System Sound Power Levels
Keywords: Continuous mining Hearing loss Sound power level
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: July 2008
Authors: AK Smith, JS Peterson, PG Kovalchik
Conference Paper - July 2008
Download PDF Document (0.36 MB)
NIOSHTIC2 Number: 20034243
NOISE-CON 2008: Proceedings of the 2008 National Conference on Noise Control Engineering, Dearborn, Michigan, July 28-31, 2008. Burroughs C; Lim T; Kim J; Maling G; eds., Indianapolis, IN: Institute of Noise Control Engineering of the USA, 2008; :1-8
Occupational hearing loss is a permanent illness with no recovery currently possible. For underground coal mine workers, Noise Induced Hearing Loss (NIHL) continues to be a serious health issue. One of the principal and fundamental machines used in underground mining operations is also one of the loudest. Noise generated on the continuous mining machine is the result of 3 operational components: the cutting system, the dust collection system, and the onboard conveying system. During underground acoustic evaluations, the conveyor system noise was observed to be dominant. In order to more closely examine sound generated by the continuous mining machine, sound power levels were measured in a reverberation chamber at the Pittsburgh Research Laboratory (PRL). Different chain types and configurations were installed on the conveyor system, and the resulting sound power level ranged from 118 dB(A) to 108 dB(A). Noise generated by the dust collection system was also examined and found to be 107 dB(A).
Image of publication Continuous Mining Machine Conveyor System Sound Power LevelsConference Paper - July 2008
Download PDF Document (0.36 MB)
NIOSHTIC2 Number: 20034243
NOISE-CON 2008: Proceedings of the 2008 National Conference on Noise Control Engineering, Dearborn, Michigan, July 28-31, 2008. Burroughs C; Lim T; Kim J; Maling G; eds., Indianapolis, IN: Institute of Noise Control Engineering of the USA, 2008; :1-8
See Also
Application of Phased Array Technology for Identification of Low Frequency Noise Sources
Determining Underground Roof Bolting Machine Operators Noise Exposure Using Laboratory Results
Engineering Considerations and Selection Criteria for Proximity Warning Systems for Mining Operations
Guidelines for the Control and Monitoring of Methane Gas on Continuous Mining Operations
Limestone Mining: Is It Noisy or Not?
Noise Source Identification on a Continuous Mining Machine
A Technique for Estimating the Sound Power Level Radiated by Pneumatic Rock Drills and the Evaluation of a CSIR Prototype Rock Drill with Engineering Noise Controls
Technology News 439 - Remote Reset Systems for Continuous Mining Machines Used In Extended Cuts
Underground Evaluation of Coated Flight Bars for a Continuous Mining Machine
What Does a Hearing Loss Sound Like?
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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