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  • Drill Jumbos J.H. Fletcher Co.™

    2017-2-20  Diesel tram/electric drill, hydraulic, two boom, drill jumbo for operating in headings up to 28’ 6-1/2” (8.7m) wide and 21’ 7-3/4” (6.6m) high. More Info Industry Links

  • CDC - Mining Project - Noise Controls for Jumbo

    Jumbo drill operators are exposed to some of the highest noise levels in metal/nonmetal mining. In the worst cases, operators’ may be exposed to noise levels in excess of 105 dB(A). In such instances, their noise exposure exceeds the MSHA permissible exposure level (PEL) in less than one hour and operators are highly likely to incur permanent ...

  • Assessment of Noise Controls Commonly Used on Jumbo

    2012-8-30  (MSHA) Permissible Exposure Limit (PEL) of 90 dBA, and Dosim­ ... The microphone is located just above the operator’s ear. FIGURE 4 . Dual-boom jumbo face drill. For monitoring operator noise exposure, the microphone was clipped to the shoulder of the equip­ ...

  • Development and field evaluation of noise controls for ...

    2019-6-11  jumbo drill operators [4]. During the first stage of this research, NIOSH used time-motion studies and dosimetry to evaluate a dual-boom jumbo drill operator’s exposure to noise. A dual-boom is a jumbo drill equipped with two separate drilling mechanisms. When drilling with a

  • 卡特彼勒jumbo drills_图文_百度文库

    2013-6-14  The permissible weight of the galloway or the head frame at the time are factors in determining if the shaft jumbo is slung-to-surface or permanently stationed in the galloway. For a slung-to-surface type, the size of the bucket well and maximum winch load will determine the number of booms.

  • Drillmaster 300DH Jumbo - Canyon Equipment Inc

    A three boom jumbo designed for optimal performance in mining and tunnelling ... in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option for coal and gaseous tunnels ... Hydraulic Stick Drill with Mast . read more... Marini Voyager Self Propelled Hydraulic Drill ...

  • Sandvik rock drill steel

    2015-5-28  Sandvik drill steel 2-3 Dedicated production 4-5 Grades, Forms of supply 6-7 Sanbar 20 Integral drill rods 8 Sanbar 61 Tapered rods 9 Sanbar 64 Extension rods, Shank rods 10 Sanbar 23 Extension rods, Shank rods 11 2 Sandvik drill steel – a strong link in the chain Drill rods take a great deal of punishment during their working life and only a ...

  • Brief History of J.H. Fletcher

    2016-4-28  Diesel Permissible Drill Jumbo . Powder Loader . Mobile Roof Supports . MRS Mechanization of Retreat Pillar Mining . MOBILE ROOF SUPPORTS J.H Fletcher Co. began producing MRS units in 1988. To date some 270 units have been manufactured. ALL Fletcher MRS units are still in

  • Equipo Usado - Ferminac

    (1) Wagner Model UT45, Flat Bed, four-wheel drive, powered by a Deutz Model F6L912W engine (1) Getman Fuel Lube Truck, four-wheel drive, 400 gal. fuel tank, 150 gal. hydraulic oil, 55 gal. engine oil, 55 gal. salvage oil, 5 retractable hose reels, powered by a Deutz Model F6L912W engine

  • Hydraulic drill jumbos an overview - LinkedIn SlideShare

    Drill Jumbo - Long Holes 10. Optional equipment 11. Basic requirement for rock drilling 12. Rock Drilling - Principle Basic requirement : 13. Rock drill mechanism Impact The piston transmits the impact energy through the drill steel to the hole bottom.

  • Atlas Copco ST3.5S MSHA Approved Permissible Coal

    2020-6-5  Atlas Copco ST3.5S MSHA Approved Permissible Coal Loader Cat Power Quick Coupler Bucket and Forks Available Extra Hydraulics 17.5x25 Tires Serial Number SA04P0321 Year 2004 Hour Meter Shows 226 Hours

  • DRILLMASTER 300 - RDH Mining Equipment

    A three boom jumbo designed for optimal performance in mining and tunnelling Features: • Proven powertrain components • Various boom configurations available with elevating platform option • Accurate and fast drilling in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option for coal and gaseous tunnels View ...

  • Drillmaster 300DH Jumbo - Canyon Equipment Inc

    A three boom jumbo designed for optimal performance in mining and tunnelling ... in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option for coal and gaseous tunnels ... Hydraulic Stick Drill with Mast . read more... Marini Voyager Self Propelled Hydraulic Drill ...

  • Brief History of J.H. Fletcher

    2016-4-28  Diesel Permissible Drill Jumbo . Powder Loader . Mobile Roof Supports . MRS Mechanization of Retreat Pillar Mining . MOBILE ROOF SUPPORTS J.H Fletcher Co. began producing MRS units in 1988. To date some 270 units have been manufactured. ALL Fletcher MRS units are still in

  • PERMISSIBLE DIESEL-POWERED EQUIPMENT APPROVED

    2020-2-27  36-CA080003 03/11/08 J.H. Fletcher J252 Drill Jumbo Caterpillar 3126 HEUI 275 @ 2,400 RPM 16,500 07-FA060002 36-CA080004 05/15/08 SCHOMA CFL-100DCL Locomotive Isuzu 6BG1-MAP 116 @ 2,500 RPM 7,000 7F-021

  • Drilling mining - LinkedIn SlideShare

    Drill Jumbo - Long HolesDrill Jumbo - Long Holes 10. • Optional equipmentOptional equipment ... face of the rotation chuck bushing is subject tochuck bushing is subject to steady wear.steady wear. Max. permissible wear onMax. permissible wear on the front face of the rotationthe front face of the rotation chuck bushing is 1 mm.chuck bushing ...

  • Mining Equipment, Breaking, Drilling Crushing

    Sandvik longhole drill rigs for underground drilling and bolting are engineered to minimize ore loss and dilution by drilling straight and accurate holes up to 54 meters (177 feet) in length. We offer a comprehensive range of boom types, hydraulic rock drills, carrier size classes and tool selections to ensure optimum hole quality every time.

  • Hilti HIT-HY 150 MAX 1400 Jumbo

    2020-5-18  Hilti HIT-HY 150 MAX / 1400 Jumbo Drill bits must conform to ANSI B212-1994 Les mèches de forage doivent être conformes à ANSI B212-1994. Brocas deben cumplir con el estándar ANSI B212-1994. ドリルビットは ANSI B212-1994 に準拠したものでなければなりません Setting Details of Hilti HIT-HY 150 MAX with reinforcement ...

  • Mucking Loader,Road Header,Muck Loader,Shuttle

    2020-5-20  Siton is a professional manufacturer of wheel drilling jumbo, road header, mucking loader and Shuttle Mining Car in China, and these prodcuts are mainly used in

  • BOLTMASTER 200 - RDH Mining Equipment

    A fully mechanized bolting jumbo for medium to large size applications. Available in one or two boom models. Features: • Proven powertrain components • Various boom configurations available with elevating platform option • Accurate and fast drilling in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option ...

  • DRILLMASTER 300 - RDH Mining Equipment

    A three boom jumbo designed for optimal performance in mining and tunnelling Features: • Proven powertrain components • Various boom configurations available with elevating platform option • Accurate and fast drilling in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option for coal and gaseous tunnels View ...

  • Drillmaster 300DH Jumbo - Canyon Equipment Inc

    A three boom jumbo designed for optimal performance in mining and tunnelling ... in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option for coal and gaseous tunnels ... Hydraulic Stick Drill with Mast . read more... Marini Voyager Self Propelled Hydraulic Drill ...

  • Hilti HIT-HY 150 MAX 1400 Jumbo

    2020-5-18  Hilti HIT-HY 150 MAX / 1400 Jumbo Drill bits must conform to ANSI B212-1994 Les mèches de forage doivent être conformes à ANSI B212-1994. Brocas deben cumplir con el estándar ANSI B212-1994. ドリルビットは ANSI B212-1994 に準拠したものでなければなりません Setting Details of Hilti HIT-HY 150 MAX with reinforcement ...

  • CMS1-300/30Q Pneumatic Deep Hole Drilling Jumbo

    CMS1-300/30Q coal mine pneumatic deep hole drilling jumbo is a sort of compress air driving, track-mounted, light duty drilling rig used in underground coal mine. Working with high efficiency spiral rods and carbide drill bits, it is widely used in coal mine projects such as

  • Drilling mining - LinkedIn SlideShare

    Drill Jumbo - Long HolesDrill Jumbo - Long Holes 10. • Optional equipmentOptional equipment ... face of the rotation chuck bushing is subject tochuck bushing is subject to steady wear.steady wear. Max. permissible wear onMax. permissible wear on the front face of the rotationthe front face of the rotation chuck bushing is 1 mm.chuck bushing ...

  • Equipo Usado - Ferminac

    (2) Gardner Denver Mini-Bore Two Boom Drill Jumbo, rubber tired, air powered, PERMISSIBLE, complete with two 9’6” Rota-Booms, two DPT drill positioners, two 2MSB 10’ screw feeds, two PR55 drills

  • Underground Construction (Tunneling)

    2020-7-6  Working on or around jumbo decks involves special safety precautions, including the following: Locate all receptacles or racks to store drill steel on jumbos. Warn employees working below jumbo decks when drilling is about to begin. The top deck of a jumbo must have a mechanical way to lift unwieldy or heavy items.

  • Hilti HIT-HY 70 1400 Jumbo

    2020-5-18  Drill the hole with a rotary hammer. Check to determine whether the material is solid or hollow (with cavities). Use of a diamond coring tool to drill the hole is not permissible. – Clean the drilled hole immediately before setting the anchor:2 x blowing – 2 x cleaning with a wire brush – 2 x blowing.

  • BOLTMASTER 200 - RDH Mining Equipment

    A fully mechanized bolting jumbo for medium to large size applications. Available in one or two boom models. Features: • Proven powertrain components • Various boom configurations available with elevating platform option • Accurate and fast drilling in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option ...

  • Used mining equipment for rent or sale in Idaho

    Sprague Henwood AS pneumatic core drill Make: Sprague Henwood Model: AS Description: Unit similar to but larger than CP-65 type pneumatic core drill, with larger chuck. Appears to be in very good condition. View all pictures

  • Equipo Usado - Ferminac

    (2) Gardner Denver Mini-Bore Two Boom Drill Jumbo, rubber tired, air powered, PERMISSIBLE, complete with two 9’6” Rota-Booms, two DPT drill positioners, two 2MSB 10’ screw feeds, two PR55 drills

  • BOLTMASTER 200 - RDH Mining Equipment

    A fully mechanized bolting jumbo for medium to large size applications. Available in one or two boom models. Features: • Proven powertrain components • Various boom configurations available with elevating platform option • Accurate and fast drilling in drifting and tunnelling • Diesel and electric power options • Easy access for maintenance and mobility • MSHA Permissible option ...

  • 矿业工程专业词汇英语翻译(I-Q)_专业词汇_专业英语_食品伙伴网

    2008-3-8  jumbo 钻车 jump 断层 jumper 冲魂杆 jumping 脱轨 jurassic 侏罗纪 kainite 钾盐镁矾 kalinite 纤维钾茂 ... permissible 容许的 permissible blasting device 安全放炮装置 permissible cartridge 带自安全包

  • Jumbo 320 FF - Hella

    2015-7-22  † Drill with 3, 5, 6, 11 and 12 mm dia. bits † 3 and 6 mm Allen keys Determine mounting position on fl at surface and mark mounting points. Drill pilot hole with 3 mm dia. bit and then bore out to 11 mm. Protect drilled metal parts with rust protection

  • Application and Development of an Environmentally

    Drilling and blasting technology is one of the main methods for pressure relief in deep mining. The traditional method for blasting hole blockage with clay stemming has many problems, which include a large volume of transportation, excess loading time, and high labor intensity. An environmentally friendly blast hole plug was designed and developed.

  • Jumbo 320 FF - KRAMP

    2018-7-21  Jumbo 320 FF Montageanleitung Fernscheinwerfer Mounting Instructions Driving lamps ... lamps is not permissible do not operate the position lights. Leave the lamp socket in the ... flat surface and mark mounting points. Drill pilot hole with 3 mm dia. bit and then bore out to 11 mm. Protect drilled metal parts with rust protection paint ...

  • Hilti HIT-HY 70 1400 Jumbo

    2020-5-18  Drill the hole with a rotary hammer. Check to determine whether the material is solid or hollow (with cavities). Use of a diamond coring tool to drill the hole is not permissible. – Clean the drilled hole immediately before setting the anchor:2 x blowing – 2 x cleaning with a wire brush – 2 x blowing.

  • Hilti HIT-HY 150 MAX 1400 Jumbo

    2020-5-18  Hilti HIT-HY 150 MAX / 1400 Jumbo 4 HAS HIT-V HIS Rebar HIT-RB HIT-SZ Ø [mm] Ø [mm]Ø Ø [mm] Item no. Item no. 14 12 8 10 14 336549 14 335023 16 12 16 336550 16 335024 18 16 10 14 18 336551 18 335025 20 16 20 336552 20 335026 22 12 22 370774 22 380922 24 20 24 380918 24 380923 25 20 25 336553 25 335027 28 24 16 28 380919 28 380924 30 27 30 380920 30 380925 32

  • MSHA - Program Policy Manual - Volume IV

    2014-7-18  Jumbo Drills. Noise levels on an untreated pneumatic jumbo drill can typically exceed 115 dBA at the operator's position. Hydraulic drills are usually about 5 to 10 dBA quieter. ... The noise exposures of miners operating these saws are typically within permissible levels.

  • (PDF) Drilling and blasting as a tunnel excavation

    The drill blast method is still the most typical method for medium to hard rock . ... • The cross section is too large for one dril l jumbo for example: Underground openings .