A hydraulic core drilling rig extracts cylindrical rock samples from deep underground for geological analysis. Mining companies, survey teams, and construction firms all depend on reliable core drilling equipment for accurate data. Accurate core data directly affects investment decisions and project feasibility. The hydraulic system delivers consistent power across tough rock formations. This guide covers how this equipment operates, what drives pricing, and where each model works best.
| Parameter | YGX-400 | YGX-600 | YGX-800 | YGX-1000 |
|---|---|---|---|---|
| Drilling Depth | 180-400-500m | 200-600-650m | 400-800-1000m | 500-1000-1100m |
| Rated Pressure | 21 MPa | 21 MPa | 25 MPa | 28 MPa |
| Rated Flow | 168 L/min | 192 L/min | 260 L/min | 300 L/min |
| Cooling Mode | Air + Water | Air + Water | Air + Water | Air + Water |
| Engine | Yuchai 78kW | Yuchai 92kW | Yuchai 92kW | Cummins 154kW |
| Drilling Angle | 0-90° | 45-90° | 45-90° | 45-90° |
| Lifting Force | 12 tons | 16 tons | 24 tons | 30 tons |
| Feed Force | 6 tons | 8 tons | 12 tons | 15 tons |
| Dimension | 4000×1900×1800mm | 4000×2000×1800mm | 5500×2100×2000mm | 6000×2200×2400mm |
| Weight | 4.3 tons | 4.5-5.5 tons | 6.5 tons | 7.5 tons |
How Does a Hydraulic Core Drilling Rig Work?
A hydraulic core drilling rig uses pressurized fluid to power the drilling mechanism. The hydraulic system drives the drill head rotation at controlled speeds. It also operates the feed mechanism that pushes the core barrel steadily into rock formations underground. The mast provides the lifting force needed to handle long drill strings.
The mud pump circulates drilling fluid down through the hollow drill rods. This fluid carries rock cuttings back to the surface through the annular space around the rods. The process keeps the borehole stable and the bit cool during continuous operation.
Each core sample comes out as a solid cylinder of rock. Geologists study these samples to determine mineral composition and formation depth. The hydraulic core drilling machine provides precise control over speed and pressure at every stage. Operators can adjust settings to match different ground conditions in real time.
What Technical Advantages Does the YG Series Offer?
The YG series includes four models covering depths from 180 meters to 1100 meters. Each model shares key design features that deliver reliable field performance in demanding conditions. Each model undergoes rigorous factory testing before shipping to the customer. The main advantages include the following points.
- Hydraulic power delivery ensures smooth operation in hard rock formations.
- Modular design allows easy transport and individual component replacement on site.
- Dual cooling system handles continuous operation in hot climate zones effectively.
- Adjustable drilling angle from 45 to 90 degrees suits various survey layouts.
- Yuchai and Cummins engines provide reliable power at remote project sites.
- High lifting force handles long drill strings at greater depths effectively.
- Quick-connect hydraulic fittings reduce setup time between drilling positions.
These features suit mining exploration, geological mapping, and infrastructure projects. The YGX series handles investigations at all scales. The dual cooling mode combines air cooling with water cooling for maximum heat management under heavy loads. This design keeps the hydraulic system within safe temperature limits during extended drilling shifts in tropical environments.
What Factors Affect the Hydraulic Core Drilling Rig Price?
The hydraulic core drilling rig price varies based on model specifications and optional equipment packages. The YGX-400 suits smaller operations with drilling depths up to 500 meters. It has a compact frame and lower power requirements. The YGX-1000 reaches depths up to 1100 meters with a powerful Cummins engine. Its lifting force reaches 30 tons for the heaviest drill strings.
Key pricing factors include these main items.
- Maximum drilling depth rating determines the base model needed.
- Engine brand and power output affect overall equipment cost.
- Mud pump flow capacity matters for deeper borehole applications.
- Lifting force specification varies across the four available models.
Optional equipment such as extra core barrels, spare parts kits, and containers add to the total cost. The best approach is to match rig specifications to your target depth and ground conditions. A properly sized rig avoids both overspending and underperformance. Contact our sales team for a detailed quotation based on your project requirements.
Can a Hydraulic Core Drilling Rig Handle Deep Hole Projects?
Yes. The YGX-800 and YGX-1000 models are built specifically for deep hole core drilling rig applications. They provide the lifting force and hydraulic pressure needed for depths beyond 600 meters. The YGX-800 handles projects up to 1000 meters. The YGX-1000 extends this range to 1100 meters for the most demanding surveys.
Deeper drilling requires higher-rated pressure to push through compact rock layers. The YGX-800 operates at 25 MPa while the YGX-1000 reaches 28 MPa. These pressure levels maintain consistent penetration rates at depth. The larger mud pump flow of 90 to 180 L/min keeps the borehole clean. This flow rate also stabilizes the borehole walls in deep applications.
Where Are Hydraulic Core Drilling Rigs Used?
Mining exploration remains the primary application for core drilling rigs. Mining companies rely on precise core samples to evaluate ore grade and plan extraction. The YGX-600 suits early-stage exploration with its compact transport footprint. Remote mine sites benefit from the modular design that allows helicopter or truck transport. Grade control drilling continues throughout the mine operating life.
Geological survey teams use core drilling to map underground formations and assess seismic risk. Government agencies and research institutions order rigs for large-scale survey programs. The YGX-400 handles shallow survey work while the YGX-800 covers deeper geological investigations across varied terrain types.
Infrastructure projects require core drilling before major construction begins. Engineers study soil and rock conditions to design proper foundations for structures. Highway bridges, dam sites, and high-rise buildings all need subsurface data first. The YGX-600 provides the versatility needed for these diverse project requirements.
Water well drilling and environmental monitoring also use core drilling methods regularly. The rigs locate underground water sources and test soil contamination levels accurately. Geothermal energy projects employ core drilling to measure underground temperature gradients for system design. Each application demands specific drilling parameters for accurate and reliable results.
Frequently Asked Questions About Full Hydraulic Core Drilling Rig
Basic mechanical aptitude helps. YG Machinery provides on-site operator training with every new rig purchase. Training covers safe operation, routine maintenance, and core sample handling. Most operators reach full proficiency within two weeks of supervised work. We also provide video tutorials for common maintenance tasks.
Daily checks include inspecting hydraulic hoses and verifying fluid levels. Weekly tasks cover greasing moving parts and checking bit wear. The hydraulic system requires oil level checks and periodic fluid replacement. Proper maintenance extends the rig service life significantly.
Core diameter depends on the core barrel bit size used. The standard range covers 50mm to 150mm. Smaller diameters suit hard rock while larger ones work in softer formations. Our team recommends the right barrel size for your geological conditions.
A standard crew includes one driller and one assistant. Some deep hole projects may need an additional helper for rod changes. The hydraulic controls allow one person to manage all drilling parameters. Proper training ensures both safety and sample quality.
Why Choose YG Machinery for Your Drilling Rig?
YG Machinery is a professional hydraulic core drilling rig manufacturer with global reach. Our equipment serves customers in over 40 countries across four continents. Customer satisfaction drives every decision we make. The YGX series covers everything from shallow exploration to deep core drilling operations.
Every rig features Yuchai or Cummins engines, dual cooling systems, and high-strength steel masts. With proper maintenance, each rig delivers reliable service for 10 years or more in demanding field conditions. Our team provides site-specific drilling recommendations, operator training, spare parts supply, and ongoing technical support. We help you choose the right rig configuration for your geological conditions and budget.
Get a Free Quote for Your Hydraulic Core Drilling Rig
Find the right hydraulic core drilling rig for your next exploration project. YG Machinery offers four proven models backed by full technical support and worldwide spare parts delivery. Send your drilling depth requirements to admin@yugongheavy.com or contact us on WhatsApp at +86 183 3715 2861. Visit https://yugongheavy.com for full product details. Request your free custom quote today.
