RC Drilling Machine | Reverse Circulation Drilling Rig For Sale

Rc drilling machine uses double-wall drill pipe technology. It uses compressed air to drive tungsten carbide bits to break rock. Cuttings return to the surface at high speed through the inner pipe and go directly into the cyclone separator for sample splitting. It can collect pure cuttings powder for geological exploration. It can drill 200–300 meters per day, much more efficient than traditional drilling methods.【WhatsApp/WeChat/Phone】+86 13837122632

Parameters of YG Reverse Circulation Drilling Rig for Sale

Item	Specification	Item	Specification
Max drilling depth	400 m	Drilling diameter	115–305 mm
Air pressure	1.05–3 MPa	Air consumption	16–42 m³/min
Drill pipe length	3 m	Recommended drill pipe diameter	89/108/127 mm
Axial pressure	5 T	Lifting force	12 T
Fast lifting speed	14.5 m/min	Fast feeding speed	21 m/min
Max rotary torque	4000–5700 Nm	Max rotary speed	0–120/0–150 r/min
Auxiliary winch lifting force	20 T	Drilling efficiency	10–25 m/h
Driving speed	2.5 km/h	Uphill angle	21°
Weight	7 T	Dimension	6.8 × 2.1 × 2.8 m
Working condition	Overburden and bedrock	Drilling methods	Top-drive hydraulic rotation & feed, DTH hammer or mud drilling
Matched DTH hammer	Medium & high-pressure series	Optional accessories	Reverse circulation device, mud pump, generator, foam pump

Main Components of RC Drilling Machine

A complete reverse circulation drilling rig works with multiple precision parts. Understanding their functions helps you use and maintain the equipment better:

Double-wall drill pipe system: Consists of outer drill pipe and inner tube, the core of reverse circulation drilling. Compressed air goes to the hole bottom through the gap between inner and outer pipes, carrying cuttings back to the surface at high speed through the inner channel, greatly reducing sample cross-contamination.
Power head: Uses side-by-side dual-motor drive with adjustable speed gearbox. It can precisely control rotation speed and torque for different formations. The power head has a buffer function to protect internal parts.
Dual-channel swivel: Includes inner core tube, main shaft, air inlet and cuttings outlet. It connects with the power head as a whole to keep compressed air and cuttings flowing separately.
Hole device: Includes clamp and breakout device. It automatically clamps and disassembles drill pipes by hydraulic cylinders, greatly reducing labor and improving safety.
Cyclone separation system: Cuttings go through a hose to the cyclone separator for splitting. Samples fall from the bottom into labeled bags with position and depth, ready for lab analysis.

Benefits of Using RC Drilling Machine

Using rc drilling machine has these key advantages:

Reliable and pollution-free samples: Cuttings enter the sampler through the inner tube without touching other areas, avoiding cross-contamination. Samples are easy to track with exact position and depth, helping locate mineralization accurately.
High drilling speed: RC drilling can reach 200–300 meters per day, much faster than diamond drilling. As shown in the parameter table, YG-RC400 drills 10–25 meters per hour, giving you faster results.
Low site demand: No water needed during drilling, perfect for dry areas. The crawler chassis can climb 21°, adapting to complex terrain.
Clear cost advantage: Cost can be reduced by up to 40% compared with diamond drilling.

How to Choose the Right RC Drilling Machine Model

With many reverse circulation drilling rig for sale options on the market, how to choose the best model? Consider these important factors:

Drilling depth: Choose a matching model based on exploration depth. YG-RC400 drills up to 400 meters, suitable for medium-deep mineral exploration. For deeper projects, you can choose 500m, 600m or even 800m models.
Formation conditions: Different formations need different performance. Hard rock needs higher air pressure and impact; loose formations need good hole wall protection. YG-RC400 works at 1.05–3 MPa, adapting to many formations.
Drilling diameter: Choose diameter based on sample requirements. YG-RC400 drills 115–305mm, covering most solid mineral exploration needs.
Mobility: Remote mining areas need good mobility. YG-RC400 travels at 2.5 km/h, climbs 21°, and the crawler design fits tough terrain.

Factors Affecting Reverse Circulation Drilling Machine price

The price of a reverse circulation drilling rig depends on many factors. Understanding them helps you make a better purchase decision:

Complete configuration: Core parameters like power head torque, feed force and lifting force directly affect the price. From the parameter table, YG-RC400 has max rotary torque 4000–5700 Nm and lifting force 12T, which is mid-range with high cost performance.
Air compressor: RC drilling needs a high-pressure air compressor with air consumption 16–42 m³/min. The brand and size of the compressor are major cost parts.
Optional parts: Reverse circulation unit, mud pump, generator, foam pump and other options add cost but improve adaptability.
After-sales service: Including operation training, spare parts and maintenance support, which affect long-term use cost.

FAQ About Reverse Circulation Drilling Rig

Q1: What is the main difference between RC drilling and diamond drilling?

A: RC drilling collects cuttings instead of core. It uses an air hammer to drive tungsten carbide bits to break rock. Cuttings return to the surface as powder or small particles. It is cheaper and faster, good for early exploration to define mineralization quickly.

Q2: How to keep RC drilling samples from contamination?

A: Compressed air flows through the double-wall drill pipe to the hole bottom and carries samples back through the inner channel. Samples go directly to the sampler without touching other areas, so cross-contamination is avoided.

Q3: What staff are needed for RC drilling?

A: Normally at least one operator and two samplers. The operator controls the rig; samplers collect, label and carry samples. Because of high noise, workers must wear hearing protection, masks, safety shoes, helmets and industrial gloves.

Q4: What kind of drilling is YG-RC400 suitable for?

A: YG-RC400 is used for solid mineral exploration in overburden and bedrock. It can use medium or high-pressure hammers. Drilling depth 400m, diameter 115–305mm. It works for gold, copper, iron, lithium and other minerals.

Contact Us

If you are looking for a high-performance rc drilling machine, please contact us:

Professional model selection: Our technical team recommends the best rig based on your drilling depth, formation and sample needs.
Transparent price: We provide detailed reverse circulation drilling machine quotation including main machine, air compressor and optional parts for clear budgeting.
Full technical support: From installation and training to spare parts and maintenance, we ensure stable operation in tough field conditions.
Factory visit welcome: You are welcome to visit our factory to see rc drilling machine production and quality control, and talk with our technicians about your exploration needs.