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Modified tail section reduces noise on a continuous mining machine.

Authors
Zimmerman-JJ; Smith-AK; Michael-R; Kovalchik-PG
Source
2010 SME Annual Meeting and Exhibit, February 28 - March 3, Phoenix, Arizona, Preprint 10-091. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2010 Feb; :1-3
Link
NIOSHTIC No.
20036540
Abstract
Over-exposure to noise remains a widespread, serious health hazard in the U.S. mining industries. Most other categories of illnesses and injuries associated with mining have improved, with the exception of hearing loss. Mine Safety and Health Administration (MSHA) coal noise data from 2000-2004 show that the continuous mining machine is first among all equipment with 35% of the noise overexposures. Joy Mining Machinery, in collaboration with the National Institute for Occupational Safety and Health (NIOSH), is conducting research to reduce noise generated by continuous mining machines. This paper describes a "JOYDesigned for Noise Reduction" (JOY-DNR; Patent Pending) tail section as a noise control for reducing the noise overexposures of continuous mining machine operators. Underground results show a 45% and 65% noise exposure reduction for the operator when compared to a standard machine. Utilizing this newly developed noise control, along with previously proven controls, will provide continuous mining machine operators an opportunity to be within the MSHA-Permissible Exposure Limit (MSHA-PEL).
Keywords
Exposure-assessment; Exposure-levels; Exposure-methods; Hearing-conservation; Hearing-loss; Measurement-equipment; Mining-industry; Noise; Noise-exposure; Standards; Statistical-analysis; Statistical-quality-control; Vibration; Vibration-exposure
Publication Date
20100228
Document Type
Conference/Symposia Proceedings
Fiscal Year
2010
NTIS Accession No.
NTIS Price
NIOSH Division
OMSHR
Source Name
2010 SME Annual Meeting and Exhibit, February 28 - March 3, Phoenix, Arizona, Preprint 10-091
State
PA; AZ
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