high efficiency HF-8 hydraulic core drilling machine for geological survey

Power Unit

Power

276 kW (370HP) at 2100 r/min

Drilling Capacity

NQ

3000m(9840 feet)

HQ

2400 m(7872 feet)

PQ

1700 m(5576 feet)

Drill Head

RPM of Spindle

Three Shifts/ Stepless ChangeThree

0-1250 RPM

Max. Torque of Spindle

7200 N·m(5307 lbf·ft) at 170 rpm

1300 N·m(958 lbf·ft) at 1250 rpm

Spindle Diameter

121 mm(4.76 inch)

Max. Lifting capacity of Spindle

295 kN(66316 lbf)

Max. Feeding Power

152 kN(34170 lbf)

Capacity of

Main  Hoist

Hoisting force (single wire)

120kN(26976 lbf)

Steel Wire Diameter

21.5 mm(0.85 inch)

Steel Wire Length

50m(164feet)

Capacity of

Wireline  Hoist

Hoisting Force (single wire)

15 kN(3372 lbf) (bare drum)

Steel Wire Diameter

6.3 mm(0.25 inch)

Steel Wire Length

2800 m(9184 feet)

Mast

Effective Hoisting Height

9.6 m(31.5 feet)

Mast Adjusting Angle

0°----90°

Drilling Angle

45º off horizontal to 90ºvertical down

Feeding Stroke

4700 mm(185 inch)

Slippage Stroke

1100 mm(43 inch)

Foot Clamp

Clamping Scope

55.5-117.5 mm(2.19-4.63 inch)

through hole dia.154mm(6.06 inch)

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 (55125 lb)

Transport Dimensions (L × W ×H )

8300×2400×3500mm

(326.8×94.5×137.8 inch)