An RC drill rig, or reverse circulation drill rig, is a crawler drilling rig for geological exploration and mineral mining. Its unique reverse circulation design boosts drilling speed and sample accuracy. Powered by high-pressure air and fitted with double-wall drill pipes, it crushes rock via air hammers and carries clean cuttings upward through inner tubes. As a professional manufacturer, YG delivers dependable rigs and custom solutions for global projects. Feel free to contact us for full product details.
Reverse Circulation Drill Rig Parameter
| Model | YG150RC | |
| Drill rig weight(crawler mounted) | kg | 9000 |
| Engine Power | kW | 125 |
| Length × Width × Height (normal) | mm | 6750x2200x2950 |
| Ambient Temperature Range | °C | -10～38 |
| Drill Ability | ||
| Nominal Drill Depth | m | 150 |
| End-hole Diameter | mm | 110-250 |
| Drill angle | ° | -10-90 |
| Horizontal hole height | m | 1.85-2.8 |
| Drill head output | ||
| Max Output Torque | N.m | 8000 |
| Output Rotation Speed(continuity) | rpm | 30 / 60, 54/108rpm |
| Output Rotation Speed(interval) | rpm | 62 / 124105/210rpm |
| Feeding | mm | 3500 |
| Thrust Force | kN | 45 |
| Lifting Capacity | kN | 65 |
| Pipe-puller Device Output | ||
| Output Rotation Speed | rpm | 40 |
| Max Output Torque | N.m | 30000 |
| Hole-through Diameter | mm | 370 |
| Auxiliary Winch | ||
| Pull Force of the First Layer | kN | 11 |
| Rope Diameter | mm | 14 |
| Rope Capacity | m | 60 |
| Engine(Cummins) | 6BTA5.9-C125 | |
| Power | kW | 125 |
| Rotary Speed (Max.) | rpm | 2200 |
| Track Chassis Base | ||
| Walk Speed | Km/h | 1.2 |
| Unit Pressure | MPa | ＜0.05 |
| Climb Ability | ° | Drill rig weight(crawler-m |
Core Advantages Of Reverse Circulation Drill Rig
Compared with traditional drills, a reverse circulation drill rig works much better. It solves the problems of sample pollution and slow speed. Its main advantages are:
- Zero Contamination: Samples pass through the inner pipe to avoid impurities, delivering pure samples and reliable data for gold and copper testing.
- Flexible Expansion: Matched with water well drilling accessories, it supports well drilling functions. One machine serves multiple uses and raises equipment utilization.
- Low Operating Cost: The machine has a strong structure and low failure rate. It does not need water or mud, which saves a lot of money.
- Continuous Work: It supports long-time continuous operation without frequent shutdowns.
- High-Efficiency: High-pressure mud flushes rock cuttings fast, boosting efficiency by 30%-60% over conventional forward circulation rigs. For 10-80m drilling, its daily progress reaches 80-200m, greatly cutting construction time.
Main Application Scenarios Of Reverse Drilling Machine
A reverse drilling machine is versatile. It plays an important role in these main fields:
- Mineral Resource Exploration: Mining teams use this reverse circulation drilling rig for sale to find gold, copper, and iron ores. It helps engineers judge ore grade accurately.
- Geological Survey: Before building roads or bridges, workers use the RC drill rig to test soil hardness and underground water.
- Environmental Detection: The closed system collects soil and water samples without secondary pollution.
RC Drill Rig vs. Hydraulic Core Drill Rig
When choosing drilling equipment, customers often compare reverse circulation (RC) drill rigs with hydraulic core drill rigs. While both are essential for geological exploration, they differ significantly in methods and benefits:
| Sample Form | Rock Cuttings: Collects crushed rock chips and powder brought up by air. | Core Samples: Extracts intact, solid cylindrical rock cores. |
| Drilling Speed | Extremely Fast: Reaches 20m–30m/hour, 2 to 3 times faster than core drilling. | Slower: Requires a more deliberate pace to preserve core integrity. |
| Operating Cost | Low: No need for massive water or mud usage; lower labor and consumable costs. | High: Higher diamond bit wear and expensive drilling fluid requirements. |
| Primary Purpose | Grade Control & Speed: Best for rapid assessment of ore grade and mineral composition. | Structural Analysis: Best for analyzing rock strata, fractures, and formations. |
| Drilling Depth | Ideal for shallow to medium depths (typically 150m). | Exceptional for ultra-deep exploration (up to thousands of meters). |
If your project prioritizes maximum speed and minimum cost per meter to quickly define ore boundaries, the RC drill rig is your ultimate solution. If your project demands intact rock columns for structural engineering analysis, a hydraulic core drill rig is preferred.
Why Choose YG RC Drill Rig
YG is a professional drilling equipment manufacturer. Our RC drill rigs are sold to Australia, South Africa, and Southeast Asia.
We use high-quality raw materials to make our machines durable. We support customized options, including drilling depth rage (200 m – 1200 m) and engine brands (Cummins/Yuchai). We also provide complete after-sales service, including installation guides and operator training.
