This pneumatic rock drilling rig is a new type of energy-saving and high-efficiency rock drilling equipment, which is widely used for drilling blasting holes in large, medium and small-sized mines, highways, national defense, water conservancy, large-scale stone projects, slope work, etc. The small borehole drilling machine is also the necessary rock drilling equipment for the preliminary exploration of open-pit mines. It is especially suitable for rugged and changeable areas where other down hole drilling rigs cannot work normally.
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Technical Parameters |
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Model |
QD70 |
QD100 |
QD120 |
Drilling Diameter (mm) |
50-90 |
90-130 |
90-130 |
Apply Rock |
≥20 |
≥20 |
≥20 |
Drilling Depth (m) |
15 |
≥25 |
≥30-40 |
Drilling Rotate Speed (r/min) |
110 |
110-160 |
110-160 |
Working Air Pressure (Mpa) |
0.5-0.7 |
0.5-1.0 |
0.5-1.0 |
Air Consumption (m3/min) |
7 |
10 |
13 |
Cylinder Diameter (mm) |
90 |
140 |
140 |
Propulsion Stroke (mm) |
1070 |
1070 |
1070 |
Max Propelled Force (N) |
3600 |
9600 |
9600 |
Electric Motor Power (KW) |
3 |
4 |
4 |
Electric Motor Voltage (V) |
380 |
380 |
380 |
Drilling Rod OD (mm) |
42 |
60 |
60 |
Drilling Rod Length (mm) |
1025 |
1025 |
1025 |
Dimension (mm) |
1740*260*420 |
2230*380*550 |
2230*380*550 |
Weight (kg) |
300 |
450 |
450 |
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- Brand Name: D miningwell
- Minimum Order Quantity: 1 set
- Packaging Details: Standard Export Packing
- Delivery Time: 7-10 days
- Payment Terms: L/C, T/T, Western Union


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1. Lower initial investment, good economic efficiency.
2. Original bracket tine plate positioning, structural design, stable and reliable. Good detachability, suitable for various primitive terrain operations.
3. Adopting hydraulic technology, energy saving and high efficiency.
4. High torque rotor reducer ensures reliable operation under strong vibration or heavy load.
5. The propulsion system is equipped with a relief valve to adjust the propulsion force and ensure excellent performance
6. Hydraulic propulsion with pneumatic and electric types. Configuration power to meet the needs of various construction situations.
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The equipment used for borehole drilling is compact, easy to operate, fast drilling speed, high efficiency, easy to disassemble and easy to carry. It is also the necessary rock drilling equipment for the preliminary exploration of open-pit mines.
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Every piece of Miningwell equipment and drilling rig undergoes a rigorous load security check to ensure the safety of the cargo in the container.
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Our payment methods include credit card, L/C, T/T, Western Union, and we support shipping by air and by sea.

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Q: How far is your factory from the airport and train station?
Q: Do you offer discounts if I have a large order?
Q: Can we visit your factory before placing an order?
Q: What are your warranty terms?
Q: What about after-sales service?
Q: How about transportation?
Q: Do you have after-sales service?
Q: Are the products tested before shipment?
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https://www.dminingwell.cn/