MD6240. Cat. Rotary Blasthole Drills (12 or 15 m Mast) Specifications. Rated Capacity. Pull-down/Hoisting Capacity

Transcription

1 Cat MD6240 Rotary Blasthole Drills (12 or 15 m Mast) Specifications Rated Capacity Bit/hole diameter Depth single-pass (12 m mast) Depth multi-pass Depth single-pass (15 m mast) Depth multi-pass Operating Temperature Min. ambient rating (standard) Cold weather option Max. ambient rating (standard) Altitude mm ( in) Up to m (42 ft) Up to m (182 ft) Up to m (52 ft) Up to m (102 ft) -28 C (-20 F) -40 C (-40 F) 52 C (125 F) Up to m (15,000 ft) Pull-down/Hoisting Capacity Rated pull-down capacity Rated hoist capacity Drilling feed /Retract rate Up to 222 kn (50,000 lbf) Up to 222 kn (50,000 lbf) m/min (0-125 fpm) Closed-loop, hydraulic (stationary rod, moving barrel) Number of cylinders 1 Pull-down cylinder stroke (12 meter) 7.27 m (286.2 in) Head travel (12 meter) m (572.4 in) Pull-down cylinder stroke (15 meter) 8.80 m (346.5 in) Head travel (15 meter) m (693.0 in) Cylinder bore 165 mm (6.5 in) diameter Cylinder rod 102 mm (4 in) diameter Cable type 25 mm (1 in) DYFORM 8 Cable sheaves (cylinder) 406 mm (16 in) OD Cable sheaves (top and bottom) 508 mm (20 in) OD Sheave guards Standard at bottom plate Adjustable head guide shoes Steel with replaceable Nylatron Automatic cable Hydraulic cylinder, tensioning system powered by fan circuit

2 Rotary Drive System Rotation speed Torque Horsepower capacity Gearbox Main thrust bearing Lubrication Gearing rpm Nm (0-9,500 ft-lb) 139 kw (186 hp) Casting design Taper roller Oil-flooded Straight Spur Ratio 16:1 Drive motor See Hydraulic System Cooler Assembly For Cat C27 or Cummins QST-30 Engines Split Coolers Air-finned, three- or four-core, radiator/hydraulic stacked, compressor separate Radiator/hydraulic cooler height/width mm (58 in)/1 473 mm (58 in) Compressor cooler height/width mm (72 in)/1 626 mm (64 in) Fan mm (48 in) diam. one fan per cooler, 10 blades Fan speed Maximum 1,525 rpm Fan guard Welded Engine radiator, top tank Sealed deaeriation tank, pressure cap, overflow tube and sight glass Standard ambient rating 52 C (125 F)

3 Compressor Compressor (Standard) Oil-flooded, single-stage screw Discharge air flow (sea level) 48 m 3 /min (1,700 cfm) Max operating pressure 6.9 bar (100 psi) Model SRG 20 Oil cooling Air-to-oil cooler, thermostatically controlled Oil separation Vertical barrier element, pre-separation in 189 l (50 gal) horizontal sump (T-tank) Oil filtration 12 micron replaceable element Drive Direct coupled to engine flywheel Controls Automatic with safety shut-down Air shut-off Hydraulic cylinder-operated from operator s seat Compressor (Optional) (high pressure) Oil-flooded, two-stage screw Discharge air flow (sea level) 33 m 3 /min (1,150 cfm); 38 m 3 /min (1,350 cfm); 43 m 3 /min (1,500 cfm) Max operating pressure 10.3/24.1 bar (150/350 psi) / SRG 29 Compressor (Optional) (high pressure) Oil-flooded, two-stage screw Discharge air flow (sea level) 33 m 3 /min (1,150 cfm); 38 m 3 /min (1,350 cfm); 43 m 3 /min (1,500 cfm) Max operating pressure 10.3/24.1/34.5 bar (150/350/500 psi) / SRG 29 Engine Engine (Standard) Manufacturer Model Rated horsepower Caterpillar C27 Tier II 597 kw (800 hp) Full load 2,100 rpm Starting system 24 V DC Safety shut-down system Energized to run Model SRG 20 Batteries Four (4) 8-D Engine (continued) Muffler Muffler guard Jacket water cooling/cac Fuel tank Turbo and manifold covers Engine (Optional) Manufacturer Model Rated horsepower Full load Starting system Safety shut-down system 127 mm (5 in) inlet and outlet 10 ga. for personal protection Radiator l (350 gal), optional tank l (415 gal) Blankets and/or exhaust wrap Cummins QST-30 (Non-Cert) 783 kw (1,050 hp) 2,100 rpm 24 V DC Energized to run Model SRG 29 Batteries Four (4) 8-D Muffler 127 mm (5 in) inlet and outlet Muffler guard 10 ga. for personal protection Jacket water cooling Radiator Fuel tank Turbo and manifold covers Engine (Optional) Manufacturer Model Rated horsepower Full load Starting system Safety shut-down system l (350 gal), optional tank l (415 gal) Blankets and/or exhaust wrap Cummins QST-30 (Tier II) 783 kw (1,050 hp) 2,100 rpm 24 V DC Energized to run Model SRG 29 Batteries Four (4) 8-D Muffler 127 mm (5 in) inlet and outlet Muffler guard 10 ga. for personal protection Jacket water cooling/cac Radiator Fuel tank Turbo and manifold covers Engine (Optional) Manufacturer Model Rated horsepower Full load Starting system Safety shut-down system l (350 gal), optional tank l (415 gal) Blankets and/or exhaust wrap Caterpillar C27 Tier II 652 kw (875 hp) 2,100 rpm 24 V DC Energized to run

4 Engine (continued) Model SRG 20 Batteries Four (4) 8-D Muffler 127 mm (5 in) inlet and outlet Muffler guard 10 ga. for personal protection Jacket water cooling/cac Radiator Fuel tank l (350 gal), optional tank l (415 gal) Turbo and manifold covers Blankets and/or exhaust wrap Mast Construction ASTM 500 grade B rectangular tubing, welded Main cord size Front 203 mm x 102 mm x 6 mm (8 in x 4 in x 0.25 in); Rear 102 mm x 102 mm x 13 mm (4 in x 4 in x 0.5 in) Pivot and raising area Rectangular tubing A frame; reinforced in high-stress areas Hydraulic lines Pressure-rated steel hydraulic tubing Hose tray Sheet steel trough for moving hoses Table hole diameter 279 mm (11 in) diameter deck hole for guide bushing Mast-Elevating Cylinders Number of cylinders 2 Cylinder bore 203 mm (8 in) diameter Cylinder rod 102 mm (4 in) diameter Cylinder stroke mm (42.6 in) Lift capacity each cylinder 556 kn (125,065 lbf) Cylinder connections pins 57 mm (2.25 in) diameter Operator s Cab Length at floor Width at floor To the right from the mast if facing rear deck from the rear end Shock-mounted; two-man, integrated FOPS certified mm (78 in) mm (59.75 in) Floor area 3 m 2 (32.4 ft 2 ) Height inside mm (76.5 in) Construction 12 ga. steel welded to formed 12 ga. channel and angle supports Windows 6 mm (0.25 in) tinted safety glass in rubber mounting Number of windows 10 Number of doors 2 with windows (included above) Left door to work deck Swing-type HD hinge Right door Swing-type HD hinge Operator s Cab (continued) Operator s seat One swivel-type with armrests, headrest and retractable seatbelt Helper s seat Fixed folding jump seat Insulation, wall and ceiling 25 mm (1 in) thermal Insulation, floor 10 mm (0.375 in) closed cell foam with 3 mm (0.125 in) pyramid vinyl surface Door latches Heavy-duty latches with lockable handles Sound levels 80dB(A) or less Climate control Wall-mounted, AC/heating/ pressurizing unit Other Window wipers and washers Operator s Controls Console at front and side cab wall, placed 45 to the deck Standard Engine Controls Coolant temperature/high temperature shut-off Oil pressure (low pressure shut-off) Auto shut-down bypass Start button Stop button Tachometer Throttle control Engine hourmeter Fuel level Voltmeter Standard Compressor Controls Compressor temperature Air pressure gauge Air shut-off control (electric) (high air temperature) Standard Drilling Controls Leveling jacks controls (hydraulic) HOBO/Break-out wrench control (electric) Mast elevation control (hydraulic) Pull-down control (electric over hydraulic) Pull-down pressure control (pilot hydraulic) Rotation control (electric over hydraulic) Propel controls (electric over hydraulic) Carousel in/out control (electric) Carousel indexing control (electric) Carousel indexing (electric) Mast lock (electric) Dust/water injection (electric) Dust curtain (electric)

5 Operator s Controls (continued) Deck wrench control (electric) Level indicator (bubble) On/off light switch (electric) Drill hourmeter (gauge) Wiper/washer controls (electric) Optional Filter indicators for engine and compressor intake, filter indicators for hydraulic fluid system, indicator lights for interlocks, rotary head rpm gauge and heating systems control Undercarriage Excavator type Pad width 750 mm (29.5 in) Pad type Triple grouser Rollers Sealed, oil-flooded Number of lower rollers 12 Upper track chain support Two (2) carrier rollers Rock guards/chain guides Standard full-length guards Overall length mm (224.6 in) Width over tracks mm (154 in) Final drive Independent hydrostatic motors Drive horsepower per track Maximum 152 kw (204 hp) Brakes Spring set, hydraulic release Brake release Automatic Tram speed max 2.0 km/h (1.25 mph) Gradeability mast down 66% Rear axle 203 mm (8 in) solid Front Three-point oscillating type Track adjustment means Hydraulic with grease gun Track drive disconnect Standard (manual) Main Frame (continued) Leveling Jacks Number 4 2 front; 2 rear Cylinder bore 140 mm (5.5 in) Cylinder rod diameter 76 mm (3 in) Cylinder stroke mm (60 in) Lift capacity 290 kn (65,300 lbf) Pad connection Link pad Pad diameter 610 mm (24 in) Counterbalance valves Internal at each cylinder Inner extension boot 219 mm (8.625 in) OD, 8 mm (0.322 in) wall Drill Table & Work Deck Table height off ground Deck floor material Drill deck length Drill deck width Drill deck area Hand rails mm (52 in) Non-skid sheet metal mm ( in) mm (101.5 in) 6.8 m2 (73.8 ft2) 48 mm (1.9 in) diameter x mm (48 in) high Dust Curtain (Optional Hydraulic Lifters, Front and Rear) Material 6 mm (0.25 in) rubber nylon reinforced Enclosed area 4.2 m 2 (45.14 ft 2 ) Split for excess Front and rear with 305 mm (12 in) overlap Dust deflector Natural rubber seal, 13 mm (0.5 in) thick, 356 mm (14 in) diam. Directly below table bushing Main Frame Main rails Construction Jacks, mast pivot and deck Toolbox Machine deck Handrails Tow hooks 203 mm x 406 mm x 13 mm (8 in x 16 in x 0.5 in) ASTM 500 grade B Rectangular tubing heavily cross-braced and reinforced at high-stress areas Electric welded Welded integrally to main frame Lockable door, below front deck Access both sides 48 mm (1.9 in) diameter x mm (48 in) high Welded, two (2) front Hydraulic System Left Track/Rotation Pump (Closed-loop) Axial piston, variable volume Max flow 283 l/min (75 gpm) 400 bar (5,800 psi) Right Track/Feed Pump (Closed-loop) Axial piston, variable volume Max flow 283 l/min (75 gpm) 400 bar (5,800 psi)

6 Hydraulic System (continued) Fan/Accessory Circuit Pump (Open-loop) Axial piston, variable volume Max flow 273 l/min (72 gpm) dual fan (one per cooler) 345 bar (5,000 psi) Track Drive Motors (2) Rotation Drive Motor Bent-axis fixed volume 414 bar (6,000 psi) Axial piston variable volume 345 bar (5,000 psi) Fan Drive Motor(s)-Single Fan Piston 414 bar continuous (6,000 psi) Pump Drive Gearbox Drive 3 pad Rubber coupler/drive shaft to front of engine Filtration (All filters have indicators and bypass) Loop 12 micron, 2 per loop (optional) Charge 3 micron, 1 per loop Main return 12 micron absolute Case return 12 micron Oil Cooling System (Hydraulic Tank) Reservoir 643 l (170 gal) with sight and temperature gauge Reservoir pressure Atmospheric, filtered breather Lubrication Centralized manual (optional auto-lubrication) Accessories, Tools & Handling Equipment Drill Pipe (Optional, Price-Adder) 12-meter mast arrangement Customer specification 114 m-178 mm ( in) Wall thickness 19 mm (0.75 in) Length m (35 ft) Threads Accessories, Tools & Handling Equipment (continued) Wall thickness Thread Pipe Length 114 mm (4.5 in) 19 mm (0.75 in) 3 Beco m (35 ft) 127 mm (5 in) 19 mm (0.75 in) 3.5 Beco m (35 ft) 140 mm (5.5 in) 19 mm (0.75 in) 4 Beco m (35 ft) 152 mm (6 in) 19 mm (0.75 in) 4.5 Beco m (35 ft) 165 mm (6.5 in) 19 mm (0.75 in) 4.5 Beco m (35 ft) 178 mm (7 in) 19 mm (0.75 in) 4.5 Beco m (35 ft) 15-meter mast arrangement Customer specification 114 m-178 mm ( in) Wall thickness 19 mm (0.75 in) Length 7.62 m (25 ft) Threads Wall thickness Thread Pipe Length 114 mm (4.5 in) 19 mm (0.75 in 3 Beco 7.62 m (25 ft) 127 mm (5 in) 19 mm (0.75 in) 3.5 Beco 7.62 m (25 ft) 140 mm (5.5 in) 19 mm (0.75 in) 4 Beco 7.62 m (25 ft) 152 mm (6 in) 19 mm (0.75 in) 4.5 Beco 7.62 m (25 ft) 165 mm (6.5 in) 19 mm (0.75 in) 4.5 Beco 7.62 m (25 ft) 178 mm (7 in) 19 mm (0.75 in) 4.5 Beco 7.62 m (25 ft Top Adapter Sub Length Top thread Bottom thread Bit Sub Length Top thread Bottom thread Table bushing Deck Wrench Wrench plate Wrench positioning Impact means 711 mm (28 in) 140 mm (5.5 in) API Reg. Up to mm (135 in) One (1) piece insert, roller deck bushing or two-piece Drill deck 76 mm (3 in) T1- Steel Hydraulic cylinder Stationary jaw HOBO Break-Out Wrench Outside mast, under pipe rack Support Pivot Wrench type Patented HOBO (Hydraulically Operated Break-Out) Power Hydraulic cylinders

7 Pipe Rack (Ouside the mast) Carousel, with stationary pods and breaker plates Size of drill pipe/capacity mm (4.5-7 in) 12-meter mast arrangement (4 pod) 15-meter mast arrangement (2 pod) Length of drill pipe m (35 ft) for 12 meter mast, 7.62 m (25 ft) for 15 meter mast Pipe rack swing Hydraulic cylinders (2) Pipe rack index Hydraulic motor through chain drive Outside mast Mounting Upper, lower pillow-block bearing Winch Rating Cable size Safety hook kg (8,000 lb) 13 mm (0.5 in) Swivel-type positive lock Basic Shipping Weights and Dimensions Quantity Description of Goods Approximate Dimensions Truck one (1) Model MD6240 (12 m), Rotary Blasthole drill c/w Owner/Operator s m (35 ft 6 in) L x manual stowed in cab 4.0 m (13 ft 2 in) W x 3.9 m (12 ft 7 in) H kg (98,500 lb) Truck two (2) Mast assembly for Model MD6240 (12 m), Rotary Blasthole drill 17.7 m (58 ft) L x 1.9 m (6 ft 4 in) W x 1.8 m (6 ft 2 in) H kg (36,000 lb) Truck three (3) Cab half assembly for Model MD6240 (12 m), Rotary Blasthole drill c/w 2.29 m (7 ft 6 in) L x 1ea. #89044 filter kit, 2 ea. Superflex, 2 ea. brackets, 2 ea. mast bushings, 0.81 m (32 in) W x 2 ea. dust chute c/w curtain, 2 ea. clamps, 1 ea. horseshoe bushing, 2.51 m (8 ft 2 in) H 1 ea. bit basket, 1 ea. lifting bale, 2 ea. portable fire suppression w/brackets, 635 kg (1,400 lb) 3 ea. bag of nuts, bolts, 6 ea. handrails, 1 ea. table bushing and cab supports Truck three (3) 2 each walkways bundled together with 2 each ladders, toolbox, c/w with 5.1 m (16 ft 7 in) L x accessories stowed within, bit sub, dust chute hose and 2 each chutes for 0.9 m (3 ft 2 in) W x hose for MD6240 (12 m) 1.5 m (5 ft) H kg (6,500 lb) Truck three (3) Mast support rack (mounted off front end) for MD6240 (12 m) 2.9 m (9 ft 6 in) L x 2.2 m (7 ft 2 in) W x 0.4 m (15 in) H kg (1,210 lb) Truck three (3) 1 each walkway 2.87 m (9 ft 4 in) L x 0.61 m (2 ft) W x 1.20 m (4 ft 3 in) H kg (1,200 lb) Note: Final dimensions, GVW and corresponding load-out vary based on options selected and final configuration. Performance ratings are based on 100% efficiency, and on engineering specifications and calculations in accordance with accepted industry standards. These capacities will vary with drilling conditions. All specifications are subject to change without notice.

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