Results 1 - 6 of 6

• Experimental Methods to Reduce Noise Generated by Haul Trucks and LHDs
  3/19/2019 - Peer reviewed journal articles
  An article discussing the development of a retrofitted noise control package for haul trucks and load-haul-dumps (LHDs) used in underground metal/nonmetal mines.
• A noise control package for vibrating screens
  3/1/2013 - Peer reviewed journal articles
  NIOSH researchers have developed a suite of noise controls for vibrating screens consisting of constrained layer damping (CLD) treatments, a tuned mechanism suspension, an acoustic enclosure, and spring inserts.
• The Evolution of Drill Bit and Chuck Isolators to Reduce Roof Bolting Machine Drilling Noise
  1/1/2012 - Peer reviewed journal articles
  This paper documents the evolution of the bit isolator and chuck isolator. Laboratory testing confirms that production bit and chuck isolators reduce the A-weighted sound level generated during drilling by 3.7 to 6.6 dB.
• Application of Prevention through Design for Hearing Loss in the Mining Industry
  2/1/2008 - Peer reviewed journal articles
  This paper describes the quiet-by-design approach of a noise control that reduced exposures of continuous mining machine operators by 3dB(A) using the four functional areas of Prevention through Design - Practice, Policy, Research, and Education.
• In-Cab Noise Reduction on an Air-Rotary Drill Rig
  5/1/2007 - Peer reviewed journal articles
  This paper summarizes a NIOSH investigation of engineering noise controls to reduce sound levels in cabs on air-rotary drill rigs. Results revealed that some drillers are exposed to A-weighted sound levels exceeding 85 dB even though a cab is used.
• The Consequences of 'Leaky' Enclosures
  1/1/2002 - Peer reviewed journal articles
  Discusses design criteria for making a proper acoustical enclosure where a machine operator can safely and effectively work.