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This HXY-5A spindle type core drilling rig incorporates the advantages and characteristics of various core drilling rigs home and abroad. It is a kind of hydraulic-driven, spindle, diamond-bit, and small-diameter core drill rig with fairly powerful drilling force.
The HXY-5A core drilling rig is compact in structure, reasonable in layout, moderate in light. It is easy to assemble. It has a broad range of rotary speed. Equipped with water brake, the drilling rig enjoys high hoisting force. As a result, it is convenient in low-position lift.


HXY-5A spindle type core drilling rig usually takes diamond bit or hard tungsten-carbide tipped bit. It is widely applied in the field of geology, metallurgy, coal mine, hydrological and engineering drilling. It is mainly suitable for exploration of metal or non-metal solid mineral ore bed. It can also be used in the exploration of superficial-zone petroleum and natural gas, mines' ventilation and water discharge tunnel drilling as well as large-diameter foundation piling.

Main Technical Specifications

1. Drilling Capacity (Core Drilling):

Sorts of Drill Rod Drill Rod Spec. Drilling Depth
Home made Planer in and out Φ43×6mm(Φ1.69×0.24 inch) 1,800 m (5904 feet)
Φ54×6mm (Φ2.13×0.24 inch) 1,300 m (4264 feet)
Φ67×6mm (Φ2.64×0.24 inch) 1,100 m (3608 feet)
Thickened inner Φ50×5.5mm (Φ1.97×0.22 inch) 1,500 m (4920 feet)
Drill Rod Φ60×6 mm (Φ2.36×0.24 inch) 1,200 m (3936 feet)
Extracting core with wire line Φ55.5×4.75 mm (Φ2.19×0.19 inch) 1,600 m (5248 feet)
Φ71×5 mm (Φ2.80×0.20 inch) 1,300 m (4264 feet)
Φ89×5 mm (Φ3.50×0.20 inch) 1,000 m (3280 feet)
DCDMA (Diamond Core Drill
Manufacturer Association) made Drill Rod
Thickened inner BW 1,500 m (4920 feet)
NW 1,200 m (3936 feet)
HW 900 m (2952 feet)
Extracting core with wire line BQ 1,800 m (5904 feet)
NQ 1,300 m (4264 feet)
HQ 1,000 m (3280 feet)
2. Drilling Angle: 0°~360°(90°~75°, when drilling with a drilling tower)
3. Power Unit:
(1)Electrical Motor Y250M-4 55 kw(73.8HP) 1,480 rpm
(2)Diesel Engine Deutz F6L913 97 kw(130HP) 1,600 rpm
4. Rotator:
Type: dual-cylinder hydraulic feeding mechanical rotating
I.D. of Spindle: Φ93mm (3.66 inches)
Rotating Speed of Spindle (rpm):
Positive: Low Speed 95,166,249,359
High Speed 330, 575, 865, 1246
Negative: 55191
Max. Torque of Spindle: 5,500 N·m (4053.5 lbf·ft)
Stroke of Spindle: 500 mm (19.69 inch)
Max. Lifting Capacity of Spindle: 135 KN (30348 lbf)
Max. Pressuring Force of Spindle: 100 KN (22480 lbf)
5. Hoister:
Type: Planetary gearing transmission
Steel Wire Cable Dia: 18.5 mm (0.73 inch)
Drum Capacity for Cable: 120 m (394 feet) (Φ18.5 mm equivalent to 0.73 inch steel wire rope)
Max. Lifting Force (single line): 60 KN (13488 lbf)
Lifting Speed of the Wire Cable: (Power Eng. Speed at 1,500 rpm)
0.77;1.35;2.03;2.93 m/s (2.53;4.43;6.66;9.61 feet/s)
6. Clutch:
Type: Dry Double Chips Friction Clutch (normally closed)
7. Gearbox:
Type: Sliding Gear Gearbox (4 positive speeds and 1 negative speed)
8. Hydraulic System:
(1)System Pressure:
Working Pressure: 8 Mpa (1160 psi)
Max. Pressure: 12 Mpa (1740 psi)
(2)Oil Pump:
Type: Double Gear Pump
Displacement: 32+12 L/min (8.5+3.2 US Gallons/min)
Working Pressure: 20 Mpa (2901 psi)
Max. Pressure: 25 Mpa (3626 psi)
9. Water Brake:
Working Speed: 700 ~ 800 rpm
Single Rope Compensational Speed: 3~8 m/s (9.8~26.2 feet/s)
Single Rope Compensational Load: 45 KN (10116 lbf)
10. Drill Frame:
Type: Sliding Skids (with sliding base)
Backward Stroke: 600 mm (23.62 inch)
Dimensions (L×W×H): 3360×1300×2045 mm (132.3×51.2×80.5 inch) (with diesel engine)
3260×1300×2045 mm(128.3×51.2×80.5 inch) (with electromotor)
11. Weight of the Rig (without power unit): 3,100 kg (6836 lb)
12. Weight of the biggest dismountable section: 450 kg (992 lb)
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