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Exploration drill rigs

Core drill rigs

ECR12


product Reference

Catalogue

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Working Diagram

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Spec Sheet

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  • ECR12

    Core Drill rigs / Exploration Drill Rigs

     

    Main Features 

     Manual controlled crawler

     Hydraulic connection for mud pump 

     and mud mixer

     4 hydraulic leveling jacks

     Fail-safe foot clamp

     Rod kicker 

     Hinged swing out rotary head

     Drill speed gage 

     Rotation guard

     Mud pump pressure gage

     Support legs

     Front, rear headlight and work light

     

     WIRE LINE WINCH

     

     

  • ECR18

    Core Drill rigs / Exploration Drill Rigs

     



     

     DRILLING CAPACITY

     

     B wireline

     4,921 ft (1,500 m)

     N wireline

     3,904 ft (1,190 m)

     H wireline

     2,592 ft (  790 m)

     P wireline

     1,575 ft (  480 m)

     MAIN HOIST

     

     Line pull capacity

     Bare drum 79.4 kN (17,857 lb)

     Line speed

     Bare drum 41 m/min (134 ft/min)

     Cable size

     16 mm (0.63 inch)

     Cable length

     30 m (98 ft)

     WIRELINE HOIST

     

     Line pull capacity

     Bare drum 10.5 kN (2,361 lb)

     Line speed

     Bare drum 115 m/min (377 ft/min)

     Cable size

     0.197 inch(5 mm ) or 0.236 inch(6 mm) 

     Cable length

     4,921 ft (1,500 m )

     MAST AND FEED SYSTEM

     

     Feed travel

     10.7 ft ( 3.25 m )

     Feed speed

     Fast and slow with variable control

     Thrust capacity

     45.3 kN (10,176 lb)

     Pull capacity

     114.6 kN (25,761 lb)

     Drilling angle

     45 to 90 degrees

     Rod pull length

     19.7 ft (6 m)

     POWER UNIT

     

     Manufacturer

     Cummins

     Model

     6CTAA8.3C, Tier2

     Displacement

     8.3 L, 6 cylinder

     Power

     152 kW (205 hp)

     RPM

     2,200

     Engine type

     Turbocharged, 

     after cooled diesel engine

     Cooling

     Water 

     Electrical system

     24 V (Alternator 24V/70A)

     ROTARY HEAD

     

     Hollow spindle (Inside diameter)

     117 mm (4 5/8 inch)

     Rotation motor

     Variable/reversible hydraulic motor

     Mechanical transmission

     4 speed

     1st ratio

     7.16:1

     2nd ratio

     3.17:1

     3rd ratio

     1.76:1

     4th ratio

     1.00:1

     Final drive

     Gear driven in oil bath

     Ratio : 2.5:1  

    RPM

    and

    torque

    rating

     Speed

     (RPM)

     1st ratio

     134 - 189

     2nd ratio

     303 - 426

     3rd ratio

     538 - 758

     4th ratio

     968 - 1,364

     Torque, Nm

     (lb, ft)

     1st ratio

     4,155 - 2,947 (3,064 - 2,173)

     2nd ratio

     1,847 - 1,310 (1,362 - 966)

     3rd ratio

     1,039 - 737 (766 - 564)

     4th ratio

     577 - 409 (425 - 313)

     Hinged head

     

     Swing away

     Chuck

     assembly

     Type

     Hydraulic opened,

     spring closed

     Max. inside diameter

     117 mm (4 5/8 inch)

     Holding capacity

     18,144 kg (40,000 lb)

     FOOT CLAMP

     

     

     Type

     Hydrauically opened/closed

     Max. rod size

     PW - 139.7 mm (5 1/2 inch)

     Holding capacity

     13,012 kg (28,680 lb)

     HYDRAULIC SYSTEM

     

     Primary pump

     Axial piston, variable displacement

     28 MPa, 180 Lpm (4,061 psi, 47 gpm)

     Secondary pump

     Axial piston, variable displacement

     20 MPa, 70 Lpm (2,900 psi, 18 gpm)

     1st auxiliary pump

     Gear, fixed displacement

     10 MPa, 44 Lpm (1,450 psi, 11 gpm)

     2nd auxiliary pump

     Gear, fixed displacement

     6 MPa, 35 Lpm (870 psi, 9 gpm)

     3rd auxiliary pump

     Gear, fixed displacement

     20 MPa, 10 Lpm (2,900 psi, 2.6 gpm)

     Hydraulic oil cooling

     Air

     OUTRIGGER

     

     Support

     4 hydraulic leveling jacks

     Pad diameter

     8.66 inch  (220 mm)

     Travel length

     

     

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