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Mining Publication: The Development of a Damped Drill Steel to Reduce Roof Bolting Machine Drilling Noise
Keywords: Bolters Noise Noise control equipment Noise damping Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: April 2010
Authors: JS Peterson, HE Camargo
Conference Paper - April 2010
Download PDF Document (0.50 MB)
NIOSHTIC2 Number: 20036772
NOISE-CON 2010: Proceedings of the 2010 National Conference on Noise Control Engineering and 159th Meeting of the Acoustical Society of America, Baltimore, Maryland, April 19-21, 2010. Burroughs CB; Maling G; eds., Indianapolis, IN: Institute of Noise Control Engineering of the USA, Paper No. NC 10-159, 2010; :1-11
Among underground coal miners, hearing loss remains one of the most common occupational illnesses. In response, the National Institute for Occupational Safety and Health (NIOSH) conducts research to reduce the noise emission of underground coal mining equipment, an example of which is a roof bolting machine. Field studies support the premise that, on average, drilling noise is the loudest sound level to which a roof bolting machine operator would be exposed and contributes significantly to the operators’ noise exposure. NIOSH has determined that the drill steel radiates a significant amount of noise during drilling and has conducted research to evaluate a damped drill steel to reduce noise radiation. The paper documents the research to date of this damped drill steel. Laboratory testing confirms that the concept of a damped drill steel would reduce sound levels generated during drilling, and by extension, operator noise dose exposure.
Image of publication The Development of a Damped Drill Steel to Reduce Roof Bolting Machine Drilling NoiseConference Paper - April 2010
Download PDF Document (0.50 MB)
NIOSHTIC2 Number: 20036772
NOISE-CON 2010: Proceedings of the 2010 National Conference on Noise Control Engineering and 159th Meeting of the Acoustical Society of America, Baltimore, Maryland, April 19-21, 2010. Burroughs CB; Maling G; eds., Indianapolis, IN: Institute of Noise Control Engineering of the USA, Paper No. NC 10-159, 2010; :1-11
See Also
A Control Suite to Reduce Roof Bolting Machine Drilling Noise
Development and Evaluation of a Urethane Jacketed Tail Roller for Continuous Mining Machines
Development of Roof-Bolting Machine Bit and Chuck Isolators for Drilling Noise Reductions
The Evolution of Drill Bit and Chuck Isolators to Reduce Roof Bolting Machine Drilling Noise
Less Sound Underground: Reducing Roof Bolting Machine Drilling Noise
A Measurement Method for Determining Absorption Coefficients for Underground Mines
A Noise Control for A Roof Bolting Machine: Collapsible Drill Steel Enclosure
Noise Controls For Roof Bolting Machines
Results of Noise Measurements from Underground Testing of a Roof Bolting Machine Duty Cycle
Sound Power Level Study of a Roof Bolter
Page last reviewed: January 3, 2017
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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