YGRC-500
1) Reliable Deep-Hole Drilling: Maximum drilling depth of 500m, enabling comprehensive, single-pass delineation of deep-seated ore bodies.
2) Robust Power: Equipped with a 132kW, six-cylinder Cummins engine, ensuring consistent performance during prolonged, continuous operation.
3) High Torque: Delivers 8,500–12,000 N·m of torque, minimizing the risk of drill-string jamming when encountering fractured zones or hard interlayers.
Product Description：
As drilling depth increases, the primary limiting factor is often not the drill bit itself, but rather the available power and torque. The YGRC-500 is specifically engineered for 500-meter deep-hole drilling: it features a six-cylinder Cummins diesel engine delivering 132 kW of continuous power, a rotational torque of 8,500–12,000 N·m, and a power head lifting capacity of 300 kN (approximately 30 tonnes). This configuration ensures smooth handling of long drill strings during tripping operations and maintains consistent, unhindered rotation even at great depths. It is suitable for rock formations with a hardness rating (f) of 6–20, enabling the continuous extraction of reliable samples from medium-hard to very hard rock strata.
Product Features：
1) Efficient drill string handling: 300 kN lifting capacity for the power head and 20 kN for the winch.
2) Reliable sampling: Continuous reverse-circulation sampling allows samples to be sent directly to the laboratory, simplifying pre-processing.
3) Versatile drill string options: Compatible with Φ89, Φ102, or Φ114 drill rods in lengths of 1.5 m, 2 m, or 3 m.
4) Excellent site adaptability: Equipped with a steel-tracked hydraulic undercarriage (travel speed: 2.5 km/h; gradeability: 25°) and four high-reach hydraulic leveling outriggers.
Product Specifications：
YGRC-500 Reverse Circulation Rock Drilling Rig
Item | Value | Item | Value |
Drilling depth (m) | 500 | Drilling diameter (mm) | 140-400 |
Overall weight(T) | 12 | Drill rod diameter (mm) | 76/89/102/114 |
Drill rod length (m) | 1.5/2/3/6 | Walking speed (km/h) | 2.5 |
Transport state (mm) | 630021002500 | Working state (mm) | 400029006800 |
Climbing ability (°) | 30 |
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Power head parameters
Item | Value | Item | Value |
Rotational torque (N.m) | 8000-12000 | Rotational speed (rpm) | 40-160 |
Feeding stroke (m) | 3.3/6.6 | Lifting force (kN) | 300 |
Thrust force (kN) | 150 | Fast lifting speed (m/min) | 20 |
Fast feeding speed (m/min) | 40 |
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Engine parameters
| Item | Value | Item | Value |
| Engine brand | Cummins | Rated power/speed (kW/rpm) | 132/2400 |
Tool hoist
Item | Value |
Lifting force (kN) | 20 |
Matching air compressor
Item | Value | Item | Value |
Working air pressure (MPA) | 1.7-3.5 | Air consumption (m³/min) | 17-42 |
Matching impactor (reverse circulation) | Medium-high wind pressure series |
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Application Scenarios：
Deep-seated Mineral Exploration: Delineation of the deep extensions of gold, copper, lead-zinc, and other polymetallic ore bodies, along with reserve verification.
Geological Exploration: Regional geological surveys at depth and the investigation of geophysical and geochemical anomalies.
Engineering Investigation: Deep-hole geotechnical drilling for major infrastructure projects, including dams, large-scale bridges, and long tunnels.
Hydrogeological Investigation: Surveys of deep-seated hydrogeological conditions and preliminary site investigations for deep-water wells.
Other Services: Placer deposit exploration, assessment of mined-out areas and tailings, scientific research drilling, and drilling rig leasing.
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