XY-42A Core Drilling Rig

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The XY-42A spindle type core drilling rig can be applied to coring drilling by using tungsten-carbide-tipped bit and diamond bit. It is also called surface core drill rig in general place. It can be also used to engineering geological exploration, hydro-geological, water well drilling and big foundation hole as well as basic piling hole.

Feature of the XY-42A Surface Core Drill Rig
1. The XY-42A core drilling rig has 8, reasonable speed levels. Its maximum torque is 3.5 Kn·m at the low rotary speed.
2. With spindle's through-hole diameter as 92 mm and the hydraulic feed length of double oil cylinders as 600 mm, surface core drill rig is suitable for various drilling technologies with high drilling efficiency
3. In cases of trouble, its two reverse speeds can do great favor.
4. By using a duplicate gear pump, it enjoys reasonable power and lower oil temperature.
5. The double action hydraulic chuck ensures the powerful clamp force
6. Due to the advantages of compact structure and reasonable layout, surface core drill rig XY-42A's maintenance and repair is convenient.
7. The core drilling rig can move smoothly. This, along with its low gravity center, makes sure its steadiness even while drilling at high speed.
8.  Fitted with measuring scale for your good knowledge of the drilling condition at the bottom of the hole; every handle can be operated nimbly and reliability.

A: Drilling Capacity
1.    Core Drilling

Drill rod type Drill rod size Drilling depth
The rod made in China Inside upset drill rod 42 mm (1.65 inch) 1100 m (3608 feet)
50 mm (1.97 inch) 820 m (2690 feet)
60 mm (2.36 inch) 610 m (2001 feet)
Wire-line drill rod 53 mm (2.09 inch) 950 m (3116 feet)
71 mm (2.80 inch) 700 m (2296 feet)
89 mm (3.50 inch) 550 m (1804 feet)
DCDMA rod Inside upset drill rod AW 1100 m (3608 feet)
BW 820 m (2690 feet)
NW 650 m (2132 feet)
HW 430 m (1410 feet)
Wire-line drill rod AQ 1200 m (3936 feet)
BQ 950 m (3116 feet)
NQ 730 m (2394 feet)
HQ 500 m (1640 feet)

2. Hydro-geological, water well drilling

Outside upset drill rod size Hole dia. Drilling depth
60 mm (2.36 inch) 200mm (7.87 inch) 400m (1312 feet)
73 mm (2.87 inch) 350mm (13.78 inch) 250m (820 feet)
89 mm (3.50 inch) 500mm (19.69 inch) 150m (5379 feet)

3. Foundation Pile Hole Drilling using Surface Core Drill Rig XY-42A
A. Use outside upset drill rod of size 89mm (3.50 inch), hole dia.
Loose formation: 800mm (31.50 inch)
Hard rock formation: 500mm (19.69 inch)
Hole depth: 100m (328 feet)
B. Drill Head of the Surface Core Drill Rig XY-42A
The drill head is hydraulic feed of double oil cylinders and mechanical transmission type.
Drilling rotation angle range: 0°—360°
C. Spindle
The list of spindle speed (r/min)

Speed power stage number of the Core Drilling Rig XY-42A Power machine speed 1500 r/min Power machine speed 1000 r/min
Forward Slow 4 82, 151, 215, 313 54. 100, 143,207
High 4 251, 463, 661,961 166, 307, 437, 636
Reverse Slow 1 67 44
High 1 205 135

Max. Spindle torque of the core drilling rig XY-42A:
Power machine efficiency 30KW (40HP) speed 1500 r/min: 3.2 KN•m (2358 lbf•ft)
Power machine efficiency 22KW (29.5HP) speed 1000 r/min: 3.5 KN•m (2580 lbf•ft)
Max. Hoisting capacity: 80 KN (17984 lbf)
Max. Feed pressure: 60 KN (13488 lbf)
Spindle storke: 600 mm (23.62 inch)
Spindle I.D.: 92 mm (3.62 inch)
D. Hoister for Surface Core Drill Rig XY-42A
Lifting speed (3rd layer single line)
Power machine speed 1500 r/min: 0.78, 1.44, 2.06, 2.99 m/s (2.56, 4.72, 6.76, 9.81 feet/s)
Power machine speed 1000r/min: 0.52, 0.96, 1.36, 1.98 m/s (1.71, 3.15, 4.46, 6.49 feet/s)
Max. Single line lifting capacity
Power machine efficiency 30kw (40HP) speed 1500 r/min: 30 KN (6744 lbf)
Power machine efficiency 22kw (29.5HP) speed 1000 r/min: 34 KN (7643 lbf)
Wire rope dia.: 16 mm (0.63 inch)
Drum capacity: 90 m (295.2 feet)
Drum dia.: 285 mm (11.22 inch)
Brake drum dia.: 490 mm (19.29 inch)
Brake band width: 120 mm (4.72 inch)
E. Clutch and Speed Change Box of Surface Core Drill Rig XY-42A
Dry-type single plate friction clutch.
In speed change box, the speed is changed by sliding gear forward 4, reverse 1.
F. Skid-type Frame (with slide base)
Remove length: 460 mm (18.11 inch)
Distance between drill and hole top: 310 mm (12.20 inch)
G. Oil Pump
Single Gear Pump
Displacement: 32+12 L/min (8.5+3.2 US gallons/min)
Working pressure: 0—8 Mpa (0-1160 psi)
Max. Pressure: 12 MPa (1740 psi)
Speed (r/min): 1500
H. Drill Power of Surface Core Drill Rig XY-42A

Name type Electric motor Y200L-4 Deutz F4L 912 diesel engine
Power 30 KW(40HP) 38KW (51HP)
Speed 1500 r/min 1800 r/min

I. Dimensions (L×W×H): 2730×1100×1860 mm (107.5×43.3×73.2 inch)
J. Weight (excluding power unit): approx. 1800 kg (3969 lb)

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