
Split-Type Core Drilling Rig
The CR600P is a portable split-type full hydraulic core drill rig designed for mountainous, forested, and roadless mining areas. The equipment splits the power, hydraulic, operation, mud, and drilling mechanisms into multiple independently transportable functional units. While maintaining 600m-class core drilling capability, it reduces the transport difficulty of individual modules, making it suitable for exploration boreholes that are difficult for large track-mounted integrated rigs to access.

Geological exploration boreholes are often located on slopes, valleys, forested areas, and temporary platforms, many of which lack complete access roads. The CR600P adopts a modular split structure, allowing batch transport to the borehole site based on field conditions before assembly. For projects that require reducing road construction and minimizing reliance on large vehicles, this structure is more flexible than integrated rigs.
The rig structure is optimized for assembly, disassembly, and on-site transport. The documentation states that assembly can be completed in as little as approximately 30 minutes. Actual time may vary depending on transport distance, site conditions, crew proficiency, and auxiliary equipment, but for projects with dispersed boreholes along exploration lines, rapid assembly and disassembly can significantly reduce auxiliary work during hole changes.
The CR600P has reference drilling depths of 760 m for BQ, 600 m for NQ, and 280 m for HQ. It is more suitable for projects that have completed surface surveys, geophysical and geochemical anomaly delineation, or shallow hole verification, and now require continuous core data for further evaluation, such as mineralized zone confirmation, ore body boundary control, and medium-depth resource assessment.
Quartz vein-type gold deposits, shear zone-type gold deposits, and structural alteration-type gold deposits are often located in rugged mountainous areas. The rig supports drilling at angles from 45° to 90°, allowing selection of inclined or near-vertical holes based on ore body attitude, so that boreholes intersect mineralized zones at more favorable angles. The recovered core can be used for logging, sampling, structural analysis, and assessment of mineralization continuity.
In exploration of copper, lead-zinc, and polymetallic deposits, continuous core provides a complete record of the relationships between host rock, alteration, fracture zones, and mineralized intervals. The CR600P is suitable for establishing multiple medium-depth boreholes in complex terrain, providing fundamental geological data for subsequent infill drilling and resource estimation.
The power head has a maximum speed of 1200 rpm and maximum torque of 780 N·m, coupled with 55 kN feed force and 100 kN retraction force. Rotation speed and feed can be adjusted according to rock integrity, bit type, and core size. In intact hard rock, focus on bit cutting efficiency; in fractured formations, control feed and run length more carefully.

The chuck has a maximum clamping force of 120 kN, a through-hole capacity of 54–127 mm, and uses hydraulic clamping. The documentation also emphasizes that the clamping system features a pressure-loss protection design to reduce the risk of accidental rod release. During make-up/break-out and drill rod handling, keep clamping surfaces clean and regularly check hydraulic pressure.
The winch system is equipped with a 6 mm wire rope, with a rope capacity of 800 m and a hoisting speed of 116 m/min. Wireline core drilling reduces auxiliary time for tripping the entire drill string each run, especially as hole depth increases. Daily inspections should include checking the wire rope for broken wires, crushing, wear, and spooling condition.
The mud unit uses a plunger high-pressure pump with a flow rate of 90 L/min and pressure of 3 MPa. In intact formations, it primarily cools the bit and transports cuttings; in highly weathered, fractured, or loose intervals, adjust mud properties and use casing to maintain borehole stability and prevent collapse or severe loss.

The CR600P can be powered by diesel or electric. The diesel engine power requirement is ≥66 kW, or alternatively a combination of two 22 kW electric motors. Remote field projects typically prioritize independent power, while mining areas with stable power supply may choose electric options based on power availability, maintenance, and energy costs.
The split design reduces the need for large vehicles to access borehole sites directly, but pre-construction assessment should still evaluate slope stability, rockfall risk, rainy-season road conditions, manual transport routes, and temporary platform load capacity. Mountain construction challenges extend beyond drilling itself; transport logistics and on-site safety are equally critical to project efficiency.
Before mobilization, verify module weights and transport routes; after assembly, check quick couplings, hydraulic hoses, and structural connections; for inclined holes, ensure the mast and base are stable before drilling; during continuous drilling, regularly inspect hydraulic oil, filters, wire rope, chuck, and mud pump. Investigate any abnormal temperature rise, leaks, or changes in retraction resistance promptly.
Since actual geological conditions, downhole tools, borehole angles, and operating methods vary, final drilling efficiency, depth, and core recovery should be based on site-specific conditions.
| Parameter | Value |
|---|---|
| Drilling Capability | |
| BQ Reference Drilling Depth | 760 m |
| NQ Reference Drilling Depth | 600 m |
| HQ Reference Drilling Depth | 280 m |
| Drilling Angle | 45°–90° |
| Applicable Drill Rod Length | 1 / 1.5 m |
| Power System | |
| Power Type | Diesel / Electric |
| Diesel Engine Power | ≥66 kW |
| Diesel Engine Brand | Kubota / Cummins / Yunnei / Yuchai (optional) |
| Electric Motor Configuration | 22 kW × 2 |
| Motor Speed | 3000 / 1450 rpm |
| Hydraulic System | |
| Main Pump Flow | 150 L/min |
| Main Pump Pressure | 21 MPa |
| Auxiliary Pump Flow | 10 L/min |
| Auxiliary Pump Pressure | 15 MPa |
| Main Oil Tank Capacity | 160 L |
| Control Method | Manual Direct Control |
| Cooling Method | Water / Air Cooling |
| Feed System | |
| Feed Stroke | 1.8 m |
| Feed Force | 55 kN |
| Retraction Force | 100 kN |
| Drilling Angle | 45°–90° |
| Hoisting Speed | 115 m/min |
| Applicable Drill Rod Length | 1 / 1.5 m |
| Rotary Power Head | |
| Drive Method | Gear Hydraulic Motor |
| Transmission Method | Direct Spindle Drive |
| Maximum Speed | 1200 rpm |
| Maximum Torque | 780 N·m |
| Maximum Applicable Drill Rod Diameter | 114 mm |
| Power Head Movement | Swing |
| Wireline Winch | |
| Rope Capacity | 800 m (6 mm wire rope) |
| Hoisting Force (Empty Drum) | 11.5 kN |
| Hoisting Force (Full Drum) | 6.8 kN |
| Hoisting Speed | 116 m/min |
| Chuck | |
| Maximum Clamping Force | 120 kN |
| Through-hole Capacity | 54–127 mm |
| Type | Hydraulic Chuck |
| Mud Unit | |
| Mud Pump | Plunger High-pressure Pump |
| Drive Method | Hydraulic Drive |
| Mud Flow Rate | 90 L/min |
| Mud Pressure | 3 MPa |
| Mud Mixer | |
| Drive Method | Hydraulic Drive |
| Mixer Speed | 1500 rpm |
| Mixing Capacity | 1.2 m³/min |
| Module Reference Weights | |
| Power Unit | 180–260 kg |
| Operation Unit | 125 kg |
| Hydraulic Oil Unit (with oil) | 140 kg |
| Mud Unit | 86 kg |
| Total Weight | 1200 kg |

We are a professional drilling equipment manufacturer specializing in the research and development, production and supply of water well drilling rigs, core drilling rigs, reverse circulation drilling rigs, down-the-hole drilling rigs, truck-mounted drilling rigs and mineral exploration equipment.
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