MD6420C Rotary Blasthole Drill Autonomous Ready

MD6420C Rotary Blasthole Drill Autonomous Ready

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Specifications

Hole Diameter
Up to 311 mm (Up to 12.25 in)
Engine
C32 ACERT
Bit Load
Up to 41 346 kg (Up to 91,152 lb)

Operating Environment

Altitude
Up to 4572 m (Up to 15,000 ft)
Maximum ambient rating (standard)
125 ° F
Minimum ambient rating (standard)
30 ° F
Note
Optional cold weather packages available

Pull-down/Hoisting Capacity

Retract rate
0-33.5 m/min (0-110 ft/min)
Pull-down capacity
Up to 383 kN (Up to 86,000 lbf)
Hoist capacity
Up to 311 kN (Up to 70,000 lbf)
Drilling feed rate
0-33.5 m/min (0-110 ft/min)
Head travel (16 m/50 ft mast)
720 in
Head travel (13 m/40 ft mast)
600 in
Head travel (10 m/35 ft mast)
480 in
Cable type – 29 mm (1.125 in)
DYFORM 8
Bit load force
Up to 41 346 kg (Up to 91,152 lb)

Rotary Drive System

Rotation speed
0-137 rpm
Torque, dual motors
0-17 313 N∙m (0-12,769 lbf-ft)

Operator’s Cab

Climate control
Roof-mounted, AC/heating/pressurizing unit
Floor area
52.22 ft2
Height inside
84.50 in
Location
To the right from the mast if facing rear deck from the rear end
Number of doors
Two (2) with windows (included in above)
Number of windows
12
Other
Window wipers and washers
Type
Shock-mounted; two-man, integrated FOPS certified
Windows (tinted safety glass laminated in rubber mounting)
0.56 in

Undercarriage

Brake release
Automatic
Brakes
Spring set, hydraulic release
Front
Three-point oscillating type
Maximum drive horsepower per track
290 hp
Number of rollers on each side
Total of 16: (13) lower rollers, (3) upper/carrier rollers
Track adjustment means
Hydraulic with grease gun
Track drive disconnect
Standard (manual)
Tram speed maximum
1.41 mph
Rock guards/chain guards
Standard full-length guards
Gradeability mast down – CDH (cab down hill)
25%
Gradeability mast down – CUH (cab up hill)
13%

Drill Table and Work Deck

Table height off ground
57 in
Components
Pipe loading guide roller
Components
Stationary rear deck
Components
Left rear swing gated handrail (dual gate design)
Components
Rear deck bit storage box with aluminum cover
Components
Hydraulically operated viewing hatch with LED hatch viewing spot light

Leveling Jacks

Lift capacity – each
114877 lbf
Number
4
Pad diameter – Non-drill end
30 in
Pad diameter – Drill end
36 in
Stroke on non-drill end
60 in
Stroke on drill end
48 in

Accessories, Tools and Handling Equipment

Shock Sub (DTH Application)
Thread – API reg. 140 mm (5.5 in)
Top Adapter Sub
Diameter depends on pipe diameter
Top Adapter Sub
Top thread – API reg. 140 mm (5.5 in)
Top Adapter Sub
Bottom thread – depends on pipe diameter
Bit Sub (Rotary Application)
Top thread – depends on pipe diameter
Bit Sub (Rotary Application)
Bottom thread – API reg. 168 mm (6.625 in)
Bit Sub (Rotary Application)
Table bushing roller-type or two-piece with replaceable liner
Pipe Rack (Inside the Mast)
Carousel with stationary pods and breaker plates
16 m Configuration
7.62 m (25 ft) × 2 as starter and four pieces of 7.62 m (25 ft) in carousel
16 m Configuration
Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
13 m Configuration
12.19 m (40 ft) starter and five pieces of 12.19 m (40 ft) in carousel
13 m Configuration
Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
10 m Configuration
10.66 m (35 ft) starter and five pieces of 10.66 m (35 ft) in carousel
10 m Configuration
Outside diameter – 194 mm (75⁄8 in) or 219 mm (85⁄8 in)
10 m Configuration
Length of drill – 10.67 m (35 ft)
Winch System
Rating – 3629 kg (8,000 lb) with 1588 kg (3,500 lb) lift capacity
Winch System
Cable size – 13 mm (0.5 in)
Pipe Handling
Sliding deck wrench
Pipe Handling
Fixed cable pipe catcher or optional hydraulic safety arm/pipe catcher with drill function interlock, when pipe catcher is not closed
Pipe Handling
Manually removable or optional hydraulically operated bit basket
Pipe Handling
Lifting bail-drill pipe/bit sub

Compressor (Standard): Poppit inlet, fixed displacement

Discharge air flow (sea level)
2000 ft3/min
Maximum operating pressure
100 psi

Compressor (Optional): Type 1 – Butterfly inlet, adjustable from half to full displacement

Discharge air flow (sea level)
2600 ft3/min
Maximum operating pressure
100 psi

10-, 13- or 16-Meter Mast Configuration

Hole diameter
Up to 311 mm (Up to 12.25 in)
16 m/50 ft mast – Depth single pass
54 ft
16 m/50 ft mast – Multi-pass
Up to 46.9 m (Up to 154 ft)
13 m/40 ft mast – Depth single pass
44 ft
13 m/40 ft mast – Multi-pass
Up to 74.4 m (Up to 244 ft)
10 m/35 ft mast – Depth single pass
33.75 ft
10 m/35 ft mast – Multi-pass
Up to 63.4 m (Up to 208 ft)
Angle drilling
30° (in 5° increments)

Compressor (Optional): Type 2 – Poppit inlet, fixed displacement

Discharge air flow (sea level)
1500 ft3/min
Maximum operating pressure
10.3/24.1/34.4 bar (150/350/500 psi)
Hi/low pressure switch, bit oil injection system
30 gal

Mainframe, Decks and Walkways

Jacks, mast pivot and deck
Welded integrally to mainframe
Machine deck
Access both sides

Engine – C32 ACERT* (Standard)

Model
C32 ACERT
Rated horsepower
912 hp
Fuel tank
1514 L plus, 1703 L (400 gal plus, 450 gal)
Emissions
* The C32 ACERT engine meets U.S. EPA Tier 2/EU Stage II equivalent emission standards

Engine – C32 ACERT* (Optional)

Model
C32 ACERT
Rated horsepower
1039 hp
Fuel tank
1514 L plus, 1703 L (400 gal plus, 450 gal)
Emissions
* The C32 ACERT engine meets Tier 2/Stage II equivalent emission standards

Controls

Manuals
Operations/maintenance manuals and all schematics are stored in drill monitor
Display
English control system display text ex-factory. May be changed to other languages by dealer.
Components
Basic engine shut down timer
Components
Drill performance and monitoring/diagnostics system
Components
Electronic compressor control
Electronic control:
– Monitoring – Diagnostic system
Components
Filter indicators
Components
High/low tram speed select (high only when mast is down) interlock
Components
HMI touch screen control
Components
Mast lock indicator
Components
ECM (Electronic Control Module) provides fast and reliable control of all drill functions
Components
Pump drive gearbox temperature sensor
Components
Rotary head RPM gauge – digital
Components
Tram interlock, machine outside stability limits
Components
Tram interlock, pipe in hole
Components
Tram interlock, mast up and locked or down and parked
Components
Jack/tram interlock
Components
Cab environment control (AC, filter indicator, heat, fan speeds)
Components
Pipe positioner sensor
Components
Drill depth meter
Components
Drill function interlock, mast up and locked
Components
Rotary torque control
Components
Head clear interlock, rotary drive clear of carousel
Components
Winch interlock
Components
Jack pressure sensor
Components
Virtual rotary head travel stop
Components
Wiring for terrain interface provided

Base Machine

Components
Fuel tanks isolation valves
Components
Hydraulic tank with isolation valves and interlocks
Components
Slip resistant decks and walkways
Components
3217 L (850 gal) fuel, (two tanks mounted under engine/compressor) with manual and remote fill
Components
Bolt-on hand rails with kick plates
Components
Cat® maintenance free batteries
Components
Stainless battery box, sliding drawer type
Components
Remote jump start terminals
Components
Tow hooks (front end)
Components
Lift lugs (for base machine minus mast)
Components
Walkways around the drill, 360 degrees
Components
Swing up steps, access/egress
Components
Self-closing gates
Components
Two stage mast raise cylinders
Components
Fixed dust curtains – four sides