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HFCR-8 Hydraulic Core Drilling RigHFCR-8 Hydraulic Core Drilling RigHFCR-8 Hydraulic Core Drilling Rig
HFCR-8 Hydraulic Core Drilling RigHFCR-8 Hydraulic Core Drilling RigHFCR-8 Hydraulic Core Drilling Rig

HFCR-8 Hydraulic Core Drilling Rig

Drilling Diameter: BQ, NQ, HQ, PQ
Maximum Drilling Depth: 1700-3050m
Engine Power: 276 kW (370HP) at 2100 r/min
Spindle Diameter: 121 mm(4.76 inch)

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 Description:
1. HFCR-8 Hydraulic Core Drilling Rig, an up-to-date multifunctional product is a thoroughly new-type hydraulic core drilling rig developed on the basis of the market demand and the advanced techniques in the world. 
2. HFCR-8 is suitable to be used in plains, hills, high temperature as well as low temperature places. The main machine is integrated in structure, which consists of self-propelled chassis, power, mud pump and hoist. It is wire-line coring, and at the same time it has the unique top drive function. 
3. HFCR-8 is excellent in performance, high in working efficiency, easy for operation and it can efficiently keep the operators from danger.

  • HFCR-8 Hydraulic Core Drilling Rig

  • HFCR-8 Hydraulic Core Drilling Rig

  • HFCR-8 Hydraulic Core Drilling Rig

Technical Data

Power Unit Power 276 kW (370HP) at 2100 r/min
Drilling Capacity NQ 3050m
HQ 2400 m
PQ 1700 m
Drill Head RPM of Spindle Three Shifts/ Stepless ChangeThree 0-1250 RPM
Max. Torque of Spindle 7300 N·m at 170 rpm
1300 N·m at 1250 rpm
Spindle Diameter 121 mm(4.76 inch)
Max. Lifting capacity of Spindle 295 kn
Max. Feeding Power 152 kN
Capacity of Main Hoist Hoisting force (single wire) 120kN
Steel Wire Diameter 21.5 mm
Steel Wire Length 50 m
Capacity of Wireline Hoist Hoisting Force (single wire) 15 kN(bare drum)
Steel Wire Diameter 6.3 mm
Steel Wire Length 2800m
Mast Effective Hoisting Height 9.6 m
Mast Adjusting Angle 0°—90°
Drilling Angle 45º off horizontal to 90ºvertical down
Feeding Stroke 4700mm
Slippage Stroke 1100mm
Foot Clamp Clamping Scope 55.5-117.5 mm through hole Ф154mm
Mud Pump Type Reciprocating Pump Triplex Plunger
Model BW320
Stroke 110mm(4.3 inch)
Output volume 320,230,165,118 L/min (84.5, 61, 44, 31 US Gallons/min)
Discharge pressure 4.0, 5.0, 6.0, 8.0 Mpa (580, 725, 870, 1160 psi)
Others Weight 25000 Kg
Transport Dimensions (L × W ×H ) 8300×2400×3500mm

 

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