Caterpillar MD6240 BROCHURE

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Page 1

Speciﬁcations

Cat

MD6240

Rotary Blasthole Drills (12 or 15 m Mast)

Rated Capacity

Bit/hole diameter 152-270 mm (6-10.625 in)

Depth single-pass (12 m mast) Up to 12.80 m (42 ft) Depth multi-pass Up to 55.47 m (182 ft)

Depth single-pass (15 m mast) Up to 15.85 m (52 ft) Depth multi-pass Up to 31.08 m (102 ft)

Operating Temperature

Min. ambient rating (standard) -28°C (-20°F)

Cold weather option -40°C (-40°F)

Max. ambient rating (standard) 52°C (125°F)

Altitude Up to 4 572 m (15,000 ft)

Pull-down/Hoisting Capacity

Rated pull-down capacity Up to 222 kN (50,000 lbf)

Rated hoist capacity Up to 222 kN (50,000 lbf)

Drilling feed /Retract rate 0-38.1 m/min (0-125 fpm)

Type 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) 14.54 m (572.4 in)

Pull-down cylinder stroke (15 meter) 8.80 m (346.5 in)

Head travel (15 meter) 17.60 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

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Rotary Blasthole Drill—MD6240

Rotary Drive System

Rotation speed 0-220 rpm

Torque 0-12 880 Nm (0-9,500 ft-lb)

Horsepower capacity 139 kW (186 hp)

Gearbox Casting design

Main thrust bearing Taper roller

Lubrication Oil-ooded

Gearing Straight Spur

Ratio 16:1

Drive motor See Hydraulic System

Cooler Assembly

For Cat® C27 or Cummins QST-30 Engines–Split Coolers

Air-nned, three- or four-core, radiator/hydraulic stacked, compressor separate

Radiator/hydraulic cooler height/width 1 473 mm (58 in)/1 473 mm (58 in)

Compressor cooler height/width 1 829 mm (72 in)/1 626 mm (64 in)

Fan 1 219 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, overow tube and sight glass

Standard ambient rating 52˚ C (125˚ F)

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Rotary Blasthole Drill—MD6240

Compressor

Compressor (Standard)

Type Oil-ooded, single-stage screw

Discharge air ow (sea level) 48 m3/min (1,700 cfm)

Max operating pressure 6.9 bar (100 psi)

Air cleaner Type Dry-type with safety element 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 ltration 12 micron replaceable element

Drive Direct coupled to engine ywheel

Controls Automatic with safety shut-down

Air shut-off Hydraulic cylinder-operated from operator’s seat

Compressor (Optional)

Type (high pressure) Oil-ooded, two-stage screw

Discharge air ow (sea level) 33 m3/min (1,150 cfm); 38 m3/min (1,350 cfm); 43 m3/min (1,500 cfm)

Max operating pressure 10.3/24.1 bar (150/350 psi)

Air cleaner Dry-type with safety element/ SRG 29

Compressor (Optional)

Type (high pressure) Oil-ooded, two-stage screw

Discharge air ow (sea level) 33 m3/min (1,150 cfm); 38 m3/min (1,350 cfm); 43 m3/min (1,500 cfm)

Max operating pressure 10.3/24.1/34.5 bar (150/350/500 psi)

Air cleaner Dry-type with safety element/ SRG 29

Engine

Engine (Standard)

Manufacturer Caterpillar

Model C27 Tier II

Rated horsepower 597 kW (800 hp)

Full load 2,100 rpm

Starting system 24 V DC

Safety shut-down system Energized to run

Air cleaner Type Dry-type with safety element Model SRG 20

Batteries Four (4) 8-D

Engine (continued)

Mufer 127 mm (5 in) inlet and outlet

Mufer guard 10 ga. for personal protection

Jacket water cooling/CAC Radiator

Fuel tank 1 325 l (350 gal), optional tank 1 571 l (415 gal)

Turbo and manifold covers Blankets and/or exhaust wrap

Engine (Optional)

Manufacturer Cummins

Model QST-30 (Non-Cert)

Rated horsepower 783 kW (1,050 hp)

Full load 2,100 rpm

Starting system 24 V DC

Safety shut-down system Energized to run

Air cleaner Type Dry-type with safety element Model SRG 29

Batteries Four (4) 8-D

Mufer 127 mm (5 in) inlet and outlet

Mufer guard 10 ga. for personal protection

Jacket water cooling Radiator

Fuel tank 1 325 l (350 gal), optional tank 1 571 l (415 gal)

Turbo and manifold covers Blankets and/or exhaust wrap

Engine (Optional)

Manufacturer Cummins

Model QST-30 (Tier II)

Rated horsepower 783 kW (1,050 hp)

Full load 2,100 rpm

Starting system 24 V DC

Safety shut-down system Energized to run

Air cleaner Type Dry-type with safety element Model SRG 29

Batteries Four (4) 8-D

Mufer 127 mm (5 in) inlet and outlet

Mufer guard 10 ga. for personal protection

Jacket water cooling/CAC Radiator

Fuel tank 1 325 l (350 gal), optional tank 1 571 l (415 gal)

Turbo and manifold covers Blankets and/or exhaust wrap

Engine (Optional)

Manufacturer Caterpillar

Model C27 Tier II

Rated horsepower 652 kW (875 hp)

Full load 2,100 rpm

Starting system 24 V DC

Safety shut-down system Energized to run

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Rotary Blasthole Drill—MD6240

Engine (continued)

Air cleaner Type Dry-type with safety element Model SRG 20

Batteries Four (4) 8-D

Mufer 127 mm (5 in) inlet and outlet

Mufer guard 10 ga. for personal protection

Jacket water cooling/CAC Radiator

Fuel tank 1 325 l (350 gal), optional tank 1 571 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 1 082 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 (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, oor 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

Location 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)

Operator’s Cab

Location To the right from the mast if facing rear deck from the rear end

Type Shock-mounted; two-man, integrated FOPS certied

Length at oor 1 981 mm (78 in)

Width at oor 1 518 mm (59.75 in)

Floor area 3 m2 (32.4 ft2)

Height inside 1 943 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

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)

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Rotary Blasthole Drill—MD6240

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

Type Excavator type

Pad width 750 mm (29.5 in)

Pad type Triple grouser

Rollers Sealed, oil-ooded

Number of lower rollers 12

Upper track chain support Two (2) carrier rollers

Rock guards/chain guides Standard full-length guards

Overall length 5 705 mm (224.6 in)

Width over tracks 3 912 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

Location 2 front; 2 rear

Cylinder bore 140 mm (5.5 in)

Cylinder rod diameter 76 mm (3 in)

Cylinder stroke 1 524 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 1 321 mm (52 in)

Deck oor material Non-skid sheet metal

Drill deck length 2 661 mm (104.75 in)

Drill deck width 2 578 mm (101.5 in)

Drill deck area 6.8 m2 (73.8 ft2)

Hand rails 48 mm (1.9 in) diameter x 1 219 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 m2 (45.14 ft2)

Split for excess Front and rear with 305 mm (12 in) overlap

Dust deector Natural rubber seal, 13 mm (0.5 in) thick, 356 mm (14 in) diam.

Location Directly below table bushing

Main Frame

Main rails 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

Construction Electric welded

Jacks, mast pivot and deck Welded integrally to main frame

Toolbox Lockable door, below front deck

Machine deck Access both sides

Handrails 48 mm (1.9 in) diameter x 1 219 mm (48 in) high

Tow hooks Welded, two (2) front

Hydraulic System

Left Track/Rotation Pump (Closed-loop)

Type Axial piston, variable volume

Max ow 283 l/min (75 gpm)

Pressure rating 400 bar (5,800 psi)

Right Track/Feed Pump (Closed-loop)

Type Axial piston, variable volume

Max ow 283 l/min (75 gpm)

Pressure rating 400 bar (5,800 psi)

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Rotary Blasthole Drill—MD6240

Hydraulic System (continued)

Fan/Accessory Circuit Pump (Open-loop)

Type Axial piston, variable volume

Max ow 273 l/min (72 gpm) dual fan (one per cooler)

Pressure rating 345 bar (5,000 psi)

Track Drive Motors (2)

Type Bent-axis xed volume

Pressure rating 414 bar (6,000 psi)

Rotation Drive Motor

Type Axial piston variable volume

Pressure rating 345 bar (5,000 psi)

Fan Drive Motor(s)-Single Fan

Type Piston

Pressure rating 414 bar continuous (6,000 psi)

Pump Drive Gearbox

Type 3 pad

Drive Rubber coupler/drive shaft to front of engine

Filtration (All lters 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

Accessories, Tools & Handling Equipment (continued)

Diameter Wall thickness Thread Pipe Length

114 mm (4.5 in) 19 mm (0.75 in) 3 Beco 10.67 m (35 ft)

127 mm (5 in) 19 mm (0.75 in) 3.5 Beco 10.67 m (35 ft)

140 mm (5.5 in) 19 mm (0.75 in) 4 Beco 10.67 m (35 ft)

152 mm (6 in) 19 mm (0.75 in) 4.5 Beco 10.67 m (35 ft)

165 mm (6.5 in) 19 mm (0.75 in) 4.5 Beco 10.67 m (35 ft)

178 mm (7 in) 19 mm (0.75 in) 4.5 Beco 10.67 m (35 ft)

15-meter mast arrangement

Diameter Customer specication 114 m-178 mm (4.5-7.0 in) Wall thickness 19 mm (0.75 in) Length 7.62 m (25 ft) Threads Depends on pipe diameter

Diameter 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

Diameter Depends on pipe diameter

Length 711 mm (28 in)

Top thread 140 mm (5.5 in) API Reg.

Bottom thread Depends on pipe diameter

Oil Cooling System (Hydraulic Tank)

Reservoir 643 l (170 gal) with sight and temperature gauge

Reservoir pressure Atmospheric, ltered breather

Lubrication

Centralized manual (optional auto-lubrication)

Accessories, Tools & Handling Equipment

Drill Pipe (Optional, Price-Adder) 12-meter mast arrangement

Diameter Customer specication 114 m-178 mm (4.5-7.0 in) Wall thickness 19 mm (0.75 in) Length 10.67 m (35 ft) Threads Depends on pipe diameter

Bit Sub

Diameter Depends on pipe diameter

Length Up to 3 429 mm (135 in)

Top thread Depends on pipe diameter

Bottom thread Depends on pipe diameter

Table bushing One (1) piece insert, roller deck bushing or two-piece

Deck Wrench

Location Drill deck

Wrench plate 76 mm (3 in) T1- Steel

Wrench positioning Hydraulic cylinder

Impact means Stationary jaw

HOBO Break-Out Wrench

Location Outside mast, under pipe rack

Support Pivot

Wrench type Patented HOBO (Hydraulically Operated Break-Out)

Power Hydraulic cylinders

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Rotary Blasthole Drill—MD6240

Pipe Rack (Ouside the mast)

Type Carousel, with stationary pods and breaker plates

Size of drill pipe/capacity 114-178 mm (4.5-7 in)

12-meter mast arrangement (4 pod)

15-meter mast arrangement (2 pod)

Length of drill pipe 10.67 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

Location Outside mast

Mounting Upper, lower pillow-block bearing

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 10.82 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 44 678.5 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 16 329.3 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 lter kit, 2 ea. Superex, 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 re 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 2 948.3 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

548.8 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

544.81 kg (1,200 lb)

Winch

Rating 3 629 kg (8,000 lb)

Cable size 13 mm (0.5 in)

Safety hook Swivel-type positive lock

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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Rotary Blasthole Drill—MD6240

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