Drifter Longhole Mining

  • Transverse longhole stoping - QueensMineDesignWiki

    Transverse longhole stoping - QueensMineDesignWiki

  • DL311 TOP HAMMER LONGHOLE DRILL - Mining Equipment, …

    DL311 TOP HAMMER LONGHOLE DRILL - Mining Equipment, …

    liming DL311 is a fully-mechanized and compact electro-hydraulic top hammer longhole drill designed for underground mass mining in 32 x 32 m or larger drifts It is capable of drilling vertical and inclined fans and single or parallel ø64…89 mm longholes up to 38 meters in depth, using T38, T45 and T51 MF-rods or ø65 mm tube rods

  • DL421 Longhole drill rig — liming Mining and Rock Technology

    DL421 Longhole drill rig — liming Mining and Rock Technology

    liming DL421 is an electro-hydraulic, longhole drill rig engineered for large-scale production drilling in underground mines This versatile rig has been designed for vertical and inclined plane rings and fans, as well as parallel long production holes and long single holes with a diameter of 64 to 115 millimeters (2 ½ to 4 inches), and a depth of up to 54 meters (177 feet)

  • Production Long-Hole Jumbos | Underground Mining Machines

    Production Long-Hole Jumbos | Underground Mining Machines

    The Muki LH is a production long-hole rig for sections from 25 x 25 m, and is a 4WD heavy duty diesel carrier with a width of 105 m Manufactured and tested in Peru, this production long-hole drilling machine is equipped with Montabert drifter HC 50 (13 kW) and Drilling Feed available for 09 or 12 m drill rods

  • Rock Drifter - Hydraulic Rock Drifter and Pneumatic Drifter

    Rock Drifter - Hydraulic Rock Drifter and Pneumatic Drifter

    DRILLMAN Rock Drifter is designed for Long Hole drilling in underground mines, grouting hole for surface mining and construction applications as well as for drifting and tunneling DRILLMAN Rock Drifter features a 120 MM piston diameter and a powerful impact and rotation mechanism

  • Improved technologies in longhole blast hole drilling

    Improved technologies in longhole blast hole drilling

    Dropraising also known as ‘Longhole Raise blasting’ or ‘Upside down Raising’, whereby an excavation is completely pre-drilled over the full length and then charged from the top and blasted from the bottom in practical lengths for an effective advance per blast

  • Underground mining (hard rock) - Wikipedia

    Underground mining (hard rock) - Wikipedia

    Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands

  • Lecture 4: Underground Mining - slidesharenet

    Lecture 4: Underground Mining - slidesharenet

    Nov 02, 2011 · The ore in the stope is blasted, collected in the draw-points, and hauled away Blasting on each sublevel starts at the hangingwall and mining then proceeds toward the footwall Blasting removes support for the hangingwall, which collapses into the drift As mining progresses downward, each new level is caved into the mine openings, with the ore materials being recovered while the rock remains behind Loading …

  • Stoping - Wikipedia

    Stoping - Wikipedia

    Stoping is the process of extracting the desired ore or other mineral from an underground mine, leaving behind an open space known as a stope Stoping is used when the country rock is sufficiently strong not to collapse into the stope, although in most cases artificial support is also provided

  • Types of Underground Mining Method Comparison

    Types of Underground Mining Method Comparison

    In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine

  • Mining - Blasthole stoping | Britannica

    Mining - Blasthole stoping | Britannica

    Mining - Mining - Blasthole stoping: When the dip of a deposit is steep (greater than about 55°), ore and waste strong, ore boundaries regular, and the deposit relatively thick, a system called blasthole stoping is used A drift is driven along the bottom of the ore body, and this is eventually enlarged into the shape of a trough At the end of the trough, a raise is driven to the drilling

  • S36 drifter style rock drill designed for deep hole

    S36 drifter style rock drill designed for deep hole

    S36 Rock Drill The S36 rock drill is a market leading drifter style rock drill with a powerful 144 mm diameter bore and independent rotation It is designed for deep hole drilling in both surface and underground applications when mounted on suitable feed systems

  • the drifter mining machine - chelseaecochampscoza

    the drifter mining machine - chelseaecochampscoza

    May 10, 2017 · Drifter Longhole Mining 10 may 2017 the drifter mining machine celebrationcakes the drifter mining machine drifter drill the drifter mining machine a drifter drill or drifter is a hydraulic or pneumatic rock or ground drill used to make horizontal holes in tunnel Read More

  • Mining operation: Cut and Fill Stoping - YouTube

    Mining operation: Cut and Fill Stoping - YouTube

    Jan 26, 2010 · Dangerous Cut down the 300 year old tree in 10 minutes - Fastest Skill Cutting Big Tree ChainSaw - Duration: 13:16 Woodworking TV 379,295 views

  • Production Long-Hole Jumbos | Underground Mining Machines

    Production Long-Hole Jumbos | Underground Mining Machines

    The Muki LH is a production long-hole rig for sections from 25 x 25 m, and is a 4WD heavy duty diesel carrier with a width of 105 m Manufactured and tested in Peru, this production long-hole drilling machine is equipped with Montabert drifter HC 50 (13 kW) and Drilling Feed available for 09 or …

  • Montabert HC110 Drifter - Underground Hard Rock Mining

    Montabert HC110 Drifter - Underground Hard Rock Mining

    Montabert drifters are the result of years of experience in hydraulic rock breakers and drifters design and manufacturing In-depth knowledge of shock wave transmission and percussion mechanism theory has allowed our engineers to be the first to develop new concepts such as hydraulic dampening and progressive blow energy

  • PHQ3000LHP Pneumatic Carrier - PHQ Global

    PHQ3000LHP Pneumatic Carrier - PHQ Global

    PHQ3000LHP Pneumatic Carrier The all new PHQ3000LHP Drill Carrier sports the rugged and dependable PHQ36IR Independent Longhole Drill mounted on a MKV Feed Assembly with PHQ21002 Five Lever Remote Control Panel and PHQ15001H Heavy Duty Centralizer

  • Types of Underground Mining Method Comparison

    Types of Underground Mining Method Comparison

    C, Fig 2, is a wide raise or raise stope, which is one method of opening an overhand stope, and E is a drift stope, which is a term used in the Lake Superior copper mines and means a wide and high drift as a start for the overhand stoping Longitudinal Back, Flat-Back Mining Method Long-Wall StopingmMining Method

  • A long hole stoping system for mining narrow platinum reefs

    A long hole stoping system for mining narrow platinum reefs

    A long hole stoping system for mining narrow platinum reefs Advantages of this mining method It allows for a low safety and health risk as well as improved working environment Physical work is reduced and it is easier to motivate the workforce

  • Lecture 4: Underground Mining - slidesharenet

    Lecture 4: Underground Mining - slidesharenet

    Nov 02, 2011 · The ore in the stope is blasted, collected in the draw-points, and hauled away Blasting on each sublevel starts at the hangingwall and mining then proceeds toward the footwall Blasting removes support for the hangingwall, which collapses into the drift As mining progresses downward, each new level is caved into the mine openings, with the ore materials being recovered while the rock remains …

  • Major Mines & Projects | Leeville Mine

    Major Mines & Projects | Leeville Mine

    Leeville is a shaft mine (three shafts) Ore is mined using longhole-stope and drift and fill methods

  • Access drifts - QueensMineDesignWiki

    Access drifts - QueensMineDesignWiki

    From the author's experience, typical longhole mining access drifts are 5 x 5 m and can accommodate a 10yrd LHD Headings that will house longhole drills, or a raisebore, may be up to 6 x 6 m Turns Turning development drifts is accomplished by blasting rounds with increasingly shorter holes towards the corner in the new direction

  • StopeMate™ pneumatic production drill - Boart Longyear

    StopeMate™ pneumatic production drill - Boart Longyear

    The driving force behind the StopeMate is the S36 Independent Rotation Pneumatic Rock Drill, a powerful 114 mm (449 in) diameter bore drifter-type drill designed for deep hole drilling In favorable ground conditions, the S36 IR can drill 37 m (122 ft)

  • ctufrgsbr

    ctufrgsbr

    FIGURE 12 Classic room-and-pillar mining this chapter; the goal of this chapter is to summarize briefly the characteristics of the major mining methods 132 Room-and-Pillar Mining Room-and-pillar mining is designed for flat-bedded deposits of limited thickness, such as copper shale, coal, salt and potash, limestone, and dolomite

  • Longhole - Welcome to the Narrow-Vein Mining Project

    Longhole - Welcome to the Narrow-Vein Mining Project

    Longhole The broken ore is mucked out by drawpoints or by longitudinal retreat In order to prevent inbreak of the walls, large size deposits are often divided into many separate stopes by pillars These pillars may be horizontal or vertical and are in certain cases, …

  • Longhole Driller at African Underground Mining Services

    Longhole Driller at African Underground Mining Services

    May 03, 2019 · Longhole Driller African Underground Mining Services (AUMS) is an international leader in mechanised hard rock underground mining with operations throughout Africa (Ghana, Tanzania, Mali, Burkina Faso) Established in 2007, we have spent over 11 years building a strong reputation for being a safe and high performing underground mining services contractor

  • Mine Backfill - MiningInfo

    Mine Backfill - MiningInfo

    Conventional Cut and Fill (Overhand cut and fill) Ore is mucked by slushers into steel millholes that are carried up through the fill Backfill normally consist of a quick draining hydraulic sandfill with no binderrefers to mining of stopes where equipment remains in the stope during the life of the stope

  • Drifter conversion programs - Services - miningkomatsu

    Drifter conversion programs - Services - miningkomatsu

    Our drifter conversions result in improved reliability, reduced production and consumable costs, improved penetration rates, lower noise levels and lower maintenance costs In addition, we use enhanced engineering designs and innovative material for our cradles to produce a robust reliable cradle that stands up to the toughest conditions

  • C-2 Eagle Project Geotechnical Study

    C-2 Eagle Project Geotechnical Study

    Low grade ore zones surrounding the sulphide bodies have been included in the ore zone deposit Between the upper (355 m to 400 m) and lower mining zones (100 m to 280 m) is a lower grade ore zone which is planned as a sill pillar between the two zones (AMEC Scoping Study)

  • Roxar - rock-drill, drifter, rock-breaker, hydraulic hammer

    Roxar - rock-drill, drifter, rock-breaker, hydraulic hammer

    Our drifter range for Mining, Tunnelling & Surface drilling applications combines an innovative design with exclusive features Our rock breakers are the last evolution in the hydraulic hammers technology Drifters Rock breakers Made in Europe

  • Drifter | Home

    Drifter | Home

    Drifter RMT 120F drifter is technically equivalent to Atlas Copco BBC 120F drifter The drifter is designed for long hole drilling in underground mines, grouting holes, bench drilling for surface mining and construction applications In underground mining and tunnelling it is used for ring drilling and face drilling The drifter is rifle bar rotated and with reversible rotation

  • Tranter Rock Drills - Mining Technology | Mining News and

    Tranter Rock Drills - Mining Technology | Mining News and

    S140 rear drive drifter – powerful 140mm-diameter bore drifter rock drill for shaft-sinking operations duty paving breaker capable of cutting tarmac and reinforced concrete on construction sites and breaking up boulders in mining and quarrying applications; Longhole drilling accessories and airlegs Tranter provide longhole drilling

  • Improved technologies in longhole blast hole drilling

    Improved technologies in longhole blast hole drilling

    Improved technologies in longhole blast hole drilling, applied to dropraising and longhole stoping as well as the application of a small twin boom mechanized drillrig by PH Ferreira* Synopsis ‘Longhole blast hole drilling’ techniques are not new to the mining industry Appropriate mechanization and improvement of …

  • Description of mining methods (step by step) - nvp-pgforg

    Description of mining methods (step by step) - nvp-pgforg

    Up to now, the longhole mining for this mine was relatively simple, from retreating backfilled sub-level The mine is developed from top to bottom and sub-levels were developed every 20 m (66 ft) Forward-looking challenge is to gain the same successful results for the gently dipping areas which are less than 40 degrees to obtain the reserves in the future levels

  • Coeur Alaska, Kensington Gold Mine – A Mining Employer of

    Coeur Alaska, Kensington Gold Mine – A Mining Employer of

    Mining will be conducted underground via ramp access The primary mining method will be longhole open stoping with drift and fill mining used in the flat-lying, higher grade zone In some areas, stopes will consist of initial sill development followed by uphole drilling and blasting to …

  • Narrow vein minimum dilution case study – AMC Consultants

    Narrow vein minimum dilution case study – AMC Consultants

    Narrow vein minimum dilution case study AMC has conducted numerous studies to reduce dilution for mechanized narrow vein (NV) mining methods in operating mines Methods have included longhole open stoping (LHOS) and mechanized cut and fill (CAF) Dilution can be classed as planned or unplanned

  • Long-hole open stope mining (LHOS) – general diagram

    Long-hole open stope mining (LHOS) – general diagram

    Long-hole open stope mining (LHOS) – general diagram Recap of low-profile room and pillar mining in the Lamaque no 2 flats: As mentioned, the low-profile room and pillar mining we are currently performing in the Lamaque no 2 area should be somewhat similar to the last animation video, especially with regards to the mechanization aspect

  • Drifter conversion programs - Services - miningkomatsu

    Drifter conversion programs - Services - miningkomatsu

    Drifter conversion highlights: Wide range of drifters and cradles make adaptations simple for virtually all drills, regardless of manufacturer; Results in up to 10% higher penetration rates, which results in faster drilling times and increased productivity; Increases bit life by up to 47% and shank life up to 60%

<< Previous:Austrian Company Building Cement Plant In Ethiopia
>> Next:Procedure Grind Valve Cylinder Head