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Showing: 1 to 10 of 215 matches for "handheld drilling"  Page   1   2   3   4   5   6   7   8   9  next TITLE The Loco Drill And Its Application To Flat End Development  SUMMARY ... per year. The vast majority of this development is with handheld drilling and throw shovel loaders for cleaning. Drilling 2.4 metre ... AUTHOR McKeown, B. ; Moxham, K. PUBLISHED 2006 TITLE Mechanised Mine Development Utilising Rock Cutting And Boring Through Raise And Blind Boring Techniques - Synopsis  SUMMARY ... Handheld drilling of the bottom with a nominal 2.0 metre advance per blast Jumbo drilling of the bottom using either pneumatic or electro-hydraulic drifters ... AUTHOR Ferreira, P H PUBLISHED 2005 TITLE Macassa No. 3 Shaft - Deep Shaft Sinking By Conventional Methods ? Introduction  SUMMARY ... manoeuvre. Some improvement in handheld drilling caps- bility was obtained by changing to slightly larger sinking drills. The most ... AUTHOR Edwards, F. A. PUBLISHED 1985 TITLE Improved Technologies In Longhole Blast Hole Drilling, Applied To Drop Raising And Longhole Stoping As Well As The Application Of A Small Twin Boom Mechanized Drillrig  SUMMARY ... People must be removed from high risk areas in the development cycle such as the handheld drilling of support holes and the development end face. ... AUTHOR Ferreira, P. H. PUBLISHED 2003 TITLE The Development And Implementation Of The Lonmin Mechanized Breast Mining  SUMMARY ... The balance is conventional handheld drilling and scraper cleaning ➤ Conventional mining has a shaft head cost of about R120-00 per ton. ... AUTHOR Pickering, R. G. B. PUBLISHED 2007 TITLE Noise Test Report: Handheld Pneumatic Rotary Drill  SUMMARY ... Its configuration is similar to that of the handheld stopers or jackleg drills common to ... on top of an air leg that provides the thrust necessary for drilling. ... AUTHOR Stein, Robert R. PUBLISHED 1989 TITLE Review Of Horizontal Drilling Technology For Methane Drainage From U. S. Coalbeds  SUMMARY ... Early field studies were conducted to determine the proper procedures for drilling short hbrizontal boreholes (7). The first drills used-were handheld (fig. ... AUTHOR Finfinger, Gerald L. ; Cervik, Joseph PUBLISHED 1980 TITLE Field Test of Sublevel Shrinkage Caving (MSTM), at LKAB Kiruna  SUMMARY ... The ore to be loaded is surrounded on three or four sides by caved waste rock, which means that the slightest mistake with drilling or charging will cauee ... AUTHOR Gustafsson, Hans E. PUBLISHED 1981 TITLE Review Of Horizontal Drilling Technology For Methane Drainage From U. S. Coalbeds  SUMMARY ... Early field studies were conducted to determine the proper procedures for drilling short horizontal boreholes (7). The first drills used-were handheld (fig. ... AUTHOR Finlinger, Gerald L. PUBLISHED 1980 TITLE Evaluation of Grouted Thread Bar Bolt Performance by Means of Pull Out Test in Deep Ore Zone Mine PT Freeport Indonesia  SUMMARY ... Basically, the thread bar installation procedures using a handheld drilling machine/jackleg are difficult to quality control. Spinning ... AUTHOR L Rachmad PUBLISHED 2002 Showing: 1 to 10 of 215 matches for "handheld drilling"  Page   1   2   3   4   5   6   7   8   9  next Search Again