Results 71 - 80 of 85

• Technology News 480 - Controlled Start for Drill Motors on Roof Bolting Machines
  2/1/2000 - Technology News
  A bolter operator must manually place the drill steel and wrench into the drill chunk and then hold onto it as the drill is guided to the hole placement or the wrench is raised to the bolt head. During these actions, the inadvertent actuation of the dri...
• Field Assessment of Control Techniques and Long-Term Dust Variability for Surface Coal Mine Rock Drills and Bulldozers
  9/1/1999 - Peer reviewed journal articles
  Airborne respirable dust surveys were conducted at six surface coal mines to investigate the effectiveness of dust control methods used on rotary rock drills and bulldozers.
• Comparison of Methane Concentrations at a Simulated Coal Mine Face During Bolting
  4/1/1999 - Peer reviewed journal articles
  An evaluation of strategies for monitoring methane levels during roof bolting in an extended cut entry.
• Neural Network Technology for Strata Strength Characterization
  1/1/1999 - Conference papers
  The process of drilling and bolting the roof is currently one of the most dangerous jobs in underground mining, resulting in about 1,000 accidents with injuries each year in the United States. To increase the safety of underground miners, researchers f...
• NIOSH Hazard ID 4 - Ignition Hazard from Drilling into Sealed Frames of Agricultural Equipment
  1/1/1998 - Hazards IDs
  Recently, the National Institute for Occupational Safety and Health (NIOSH), through its Community Partners for Healthy Farming program in New York, received two separate reports of farm workers who were injured while attempting to drill holes into seal...
• Silica...It's Not Just Dust
  1/1/1997 - NIOSH/USBM numbered publications
  This pamphlet provided information on what rock drillers can do to protect themselves from silica dust, which may cause silicosis. The role of exposure to silica dust in the development silicosis was discussed.
• Technology News 447 - Dust Collector Discharge Shroud Reduces Dust Exposure to Drill Operators at Surface Coal Mines
  3/1/1995 - Technology News
  Dust collector discharge shrouds were used to reduce airborne respirable dust generated from emptying dry dust collectors on small truck-mounted drills at surface coal mines.
• Assessment of Airborne Dust Generated From Small Truck-Mounted Rock Drills
  1/1/1995 - Reports of Investigations
  Dust control modifications were implemented on small, truck-mounted rock drills at surface coal mines. The control techniques showed noticeable improvement in measured dust concentrations around the drills.
• Technology News 440 - Improved Dust Control for Surface Coal Mine Drills With Rotoclone Collectors
  10/1/1994 - Technology News
  A method is described to increase the dust-control effectiveness of the Rotoclone dry-dust collection systems used on surface coal mine drills.
• In-Mine Test of the Bureau of Mines Preproduction Wireless Survey System
  1/1/1990 - Reports of Investigations
  The Bureau of Mines preproduction wireless survey system (WSS) and its performance during an in-mine test are discussed in this report. The WSS was developed to reduce downhole surveying time in order to increase the efficiency of drilling long horizont...