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Showing: 1 to 10 of 124 matches for "jackleg drill"  Page   1   2   3   4   5   6   7   8   9  next TITLE Virtual Reality Simulator For Training Miners To Install Rock Bolts Using Jackleg Drill  SUMMARY ... VIRTUAL REALITY SIMULATOR FOR TRAINING MINERS TO INSTALL ROCK BOLTS USING JACKLEG DRILL ... Figure 1. A Screen View Showing Major Parts of a Jackleg Drill. ... AUTHOR Nutakor, D. ; Apel, D. ; Grayson, L. ; Hilgers, M. ; Hall, R. ; Warmbrodt, J. PUBLISHED 2007 TITLE Comparative Testing Of Water-Powered - And Pneumatic Jackleg Rock Drills  SUMMARY ... Abstract - The pneumatic jackleg drill remains a widely used tool in development and production drilling in many small-scale and narrow-vein underground mining ... AUTHOR Paraszczak, J. ; Planeta, S. ; Ouellet, H. PUBLISHED 1995 TITLE Grade Control at the Highland Underground Uranium Mine  SUMMARY ... on production crews are responsible for several functions: (1) taking and analyzing samples, (2) probing muckpiles, bolt holes and jackleg drill holes, (3 ... AUTHOR Perry, Harry A. PUBLISHED 1980 TITLE A General Framework For Prioritizing Research To Reduce Injuries And Diseases in Mining  SUMMARY ... Jackleg Drillers The jackleg drill is a portable, air-operated drill used in underground hard- rock mines. It weighs approximately 100 pounds. ... AUTHOR Levens, Russell TITLE Quantitative Vibration Evaluation Of Modified Rock Drill Handles  SUMMARY ... Two variations of a "cushioned" handle have been de- veloped for the Joy ALhO jackleg drill. ... for providing a jackleg drill for the field tests. ... AUTHOR De Souza, E. M. ; Moore, T. N. PUBLISHED 1992 TITLE Air Compressors  SUMMARY ... breaker, 36.3 kg (80 Ib) 0.035 (75) Pneumatic breaker, 949 J (700 ft-lb) 0.1 60 (340) Pneumatic breaker, 1627 J (1200 ft-lb) 0.245 (520) Jackleg drill, 73-mm ... AUTHOR Lawson, Robert W. PUBLISHED 1982 TITLE Evaluation Of The Potential Of Mining With Water-Powered Jackleg Drills  SUMMARY ... 1). This energy can effi- the pneumatic jackleg drill. ... the price of a water-powered jackleg drill is about twice that of a pneumatic drill. ... AUTHOR Paraszczak, J. ; Planeta, S. PUBLISHED 1997 TITLE Jackleg Drilling in the Tri-State District: Longhole Prospecting and Production  SUMMARY ... Drill steel cost ---- $0.031 per ton or $0.048 per ft -- - Jackleg drill labor cost per ton is about twice as much as the standard drill labor costs. ... AUTHOR Clarke, S. S. ; Brockie, Douglas C. PUBLISHED 1956 TITLE Field Performance Evaluation Of A Rock Drill Handle Design  SUMMARY ... The hand-msmitted vibration levels produced by a jackleg drill have been measured and the ability of the new handle designs to reduce the level of hand ... AUTHOR De Souza, E. M. ; Moore, T. N. PUBLISHED 1994 TITLE Cable Slings - A Versatile 'Band-Aid' For Providing Safety In Underground Mining  SUMMARY ... The light weight of the cable slings and the factthatthe Jackleg drill did most of theinstallation work made the technique readily acceptable tothe miners. ... AUTHOR Castle, Brian R. ; Scott, James J. PUBLISHED 1983 Showing: 1 to 10 of 124 matches for "jackleg drill"  Page   1   2   3   4   5   6   7   8   9  next Search Again