Hydraulic core drilling rig is a specialized drilling machine that uses hydraulic power to control key drilling operations, including feed movement, lifting, and other equipment functions, depending on the configuration. It is designed to support controlled, consistent drilling under varying ground conditions. The hydraulic core drilling rig machine is particularly valuable for projects where drilling depth, torque, feed control, and equipment stability must be considered together. Depending on the selected drilling tools and operating configuration, it can be used for geological investigation, mineral exploration, geotechnical assessment, and other deep-drilling applications.
Our hydraulic core drilling rig series is engineered for demanding drilling operations, offering multiple model configurations to accommodate different depth requirements, site conditions, and project scales. Available in seven models from YG-400 to YG-2000, this drilling rig series combines a turbocharged engine, an integrated ground-contact drilling system, hydraulic power transmission, and configurable mud pumping equipment. With rated engine power ranging from 70 kW to 162 kW and listed drilling capacities extending from 200 meters to 2,500 meters, the range provides practical options for contractors, drilling service providers, and project operators. For more details about this machine, please contact us and we will help you to select the suitable machine for your project.【Email: admin@yugongengineering.com Whatsapp/Wechat/Phone: +86 183 3712 3872】
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The drilling process of the hydraulic core drilling rig machine begins when the engine supplies mechanical power to the machine’s hydraulic system. Hydraulic components then convert and distribute this power to the relevant mechanisms, supporting controlled movement and drilling operations.
During drilling, the drill string and compatible drilling tools penetrate the formation. The feed mechanism advances the drilling assembly, while the hoisting system supports lifting and lowering operations. Where required, a compatible mud pump circulates drilling fluid to help remove cuttings, cool the drilling tools, and maintain suitable borehole conditions.
The integrated ground-contact drilling system provides support during operation, while the selected transmission and hydraulic configuration help deliver the torque and feed performance needed for the application.
Actual drilling results depend on formation hardness, tool selection, borehole diameter, drilling fluid, operator experience, and site conditions. Correctly matching these factors to the selected rig is essential for achieving reliable performance.
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10 Advantages of Our Hydraulic Core Drilling Machine
1. Multiple Drilling Depth Options
Different projects require different drilling capabilities. The YG series hydraulic core drilling rig machine covers a broad range of listed drilling depths, from 200–400 meters on the YG-400 to 1,000–2,500 meters on the YG-2000.
2. Strong Hydraulic Pressure and Flow
The hydraulic system uses a rated pressure of 20–28 MPa, depending on the model, with listed rated flow rates ranging from 160 to 460 L/min. These configurations give buyers practical options for balancing hydraulic output and machine capacity.
3. High Torque for Demanding Drilling Conditions
The series offers model-dependent torque ratings from 350–700 N·m on the YG-400 to 1,000–6,400 N·m on the YG-2000. Higher torque capacity can be beneficial when drilling through more resistant formations or operating with larger compatible drilling assemblies.
4. Turbocharged Engine Performance
Every listed model features a turbocharged engine, with rated power increasing from 70 kW to 162 kW across the range. This gives buyers flexibility when selecting a power configuration appropriate for the expected drilling workload.
5. Integrated Ground-Contact Drilling Design
The drilling system of the hydraulic core drilling rig machine uses an integrated ground-contact configuration across the listed models. This design supports equipment positioning and ground engagement during drilling operations. Appropriate site preparation and ground assessment remain important, especially on uneven, soft, or sloping terrain.
6. Configurable Rope Hoist Capacity
The rope hoist specifications vary by model, with listed boosting capacities ranging from 600 kg to 1,500 kg. Steel wire rope diameters range from 6 mm to 24 mm, depending on configuration. These differences allow buyers to evaluate lifting requirements alongside drilling capacity.
7. Adjustable Drilling Tower Angle
The drilling tower angle is listed as 45–90 degrees across the series. This adjustment range provides flexibility for positioning the drilling assembly according to the planned drilling arrangement.
8. Multiple Mud Pump Configurations
The series includes different mud pump models, from BW-100 to BW-320. Listed flow capacities range from 0–100 L/min to 0–320 L/min, with model-dependent pressure ratings.
9. Hydraulic Generator Options
The listed hydraulic generator configurations use variable-frequency, brushless designs, with a stated power rating of 11 kW and voltage options of 220 V/380 V. These options can support compatible electrical equipment where required.
10. Model Choices for Different Site Requirements
The series hydraulic core drilling rig machine covers different machine dimensions and operating weights, with listed whole-machine weights ranging from 4.3 tonnes for the YG-400 to 12.7 tonnes for the YG-2000.
Applications of a Full Hydraulic Core Drilling Rig
A full hydraulic core drilling rig can be configured for a range of drilling tasks, provided the selected model, drilling tools, and supporting systems are compatible with the application.
Typical potential applications include:
Geological exploration: Drilling boreholes to investigate subsurface formations and support geological assessment.
Mineral exploration: Supporting exploration programs when configured with suitable core barrels, drill bits, and sampling equipment.
Geotechnical investigation: Collecting subsurface information to support engineering assessments and construction planning.
Mining projects: Providing drilling capability for suitable exploration and site investigation work.
Infrastructure development: Supporting ground investigations for roads, bridges, tunnels, and other construction projects.
Water-related borehole projects: Supporting suitable drilling operations when the selected tooling, circulation system, and rig configuration meet the project requirements.
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The supplied specifications list drilling depths from 200–400 meters for the YG-400 to 1,000–2,500 meters for the YG-2000. Actual achievable depth depends on ground conditions, borehole diameter, drilling tools, and operating configuration.
What is the difference between the seven models?
The models of the hydraulic core drilling rig machine differ in rated drilling depth, engine power, torque, hydraulic flow, hoisting configuration, mud pump capacity, dimensions, and machine weight. The best choice depends on your required depth and operating conditions rather than model number alone.
Can the rig drill through hard rock?
Suitability for hard rock depends on the rock’s strength and abrasiveness, the selected drill bit and core barrel, the drilling method, available torque, and operating parameters. Share your formation details and drilling requirements to determine a suitable configuration.
Is a mud pump included with the rig?
The supplied specification table lists mud pump models and capacities for the series. The exact pump supplied, included accessories, and optional equipment should be confirmed in the final quotation.
How can I select the right hydraulic core drilling rig?
Start with the target drilling depth, geological conditions, required borehole diameter, core sampling requirements, available site space, and transport limitations. Then compare the relevant models’ torque, hydraulic output, hoisting capacity, and supporting equipment.
Get the Right Drilling Rig for Your Project
Choosing the right drilling equipment is an investment in project capability, operational planning, and long-term value. With seven models ranging from the YG-400 to the YG-2000, our hydraulic core drilling rig machine series offers options for projects with different drilling depths, torque demands, and site requirements.
If you are evaluating a full hydraulic core drilling rig for geological exploration, geotechnical investigation, mineral exploration, or another suitable drilling application, our team can help you compare configurations against your project needs.
Contact us for a product quotation and model recommendation. Share your target drilling depth, geological conditions, borehole diameter, and intended application to receive a more suitable equipment proposal.
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