YGRC-350
1) Deep drilling capability: Maximum drilling depth of 350m, covering everything from shallow-hole reconnaissance to medium-to-deep-hole resource delineation.
2) Capable of penetrating hard rock: Suitable for rock with a hardness (f-scale) of 6–20; maintains high performance even in deep, hard rock formations.
3) Flexible hole diameters: Supports hole diameters from 95mm to 165mm, with compatibility for three types of drill rods: Φ89, Φ102, and Φ114.
Product Description:
The YGRC-350 is capable of drilling to a depth of 350 meters with a hole diameter ranging from 105 to 400 mm. It is designed for rock with a hardness rating (f) of 6–20, enabling continuous drilling and sampling across formations—from medium-hard to very hard rock. Samples can be sent directly to the laboratory, eliminating the need for time-consuming, complex pre-processing. Weighing only 8 tons, the unit can navigate narrow mountain trails under its own power; once in position, its four hydraulic outriggers allow for stable drilling operations even on sloped terrain.
Product Features:
1. Exceptional drilling capability, handling both deep holes and large diameters: With a maximum drilling depth of 350 meters and a diameter range of 105–400 mm, the rig offers broad versatility. It comes standard with support for various drill pipe specifications (76/89/102 mm) and lengths (1.5/2/3 m), allowing for flexible configurations based on specific geological formations and required depths—ideal for everything from medium-to-deep hole exploration to well construction.
2. Powerful rotary head with excellent geological adaptability: Delivering a rotary torque of up to 8,000–12,000 N·m, the rig possesses robust breaking power, capable of handling hard rock, sandy layers, and fractured formations with ease.
3. Strong feed and lifting capacity, ensuring smooth operation in deep wells: Featuring a 3.3-meter feed stroke and 130 kN of feed force, the rig manages drilling and rod extraction with ease, preventing stuck pipes or rod breakage even at depths of 350 meters. High-speed lifting (20 m/min) and rapid advancement (40 m/min) ensure efficient rod handling, significantly reducing non-drilling auxiliary time.
Product Specifications:
YGRC-350 Reverse Circulation Drilling Equipment
The weight（T） | 8 | Drill pipe diameter（mm | Φ89 Φ102Φ114 |
The hole diameter（mm） | 105-400 | Drill pipe length（m） | 1.5/2.0/3.0 |
Drilling depth（m） | 350 | Rig lifting force（m） | 20 |
One-time advance length（m） | 3.3 | Rapid rise speed（m/min） | 20 |
Walking speed（km/h） | 2.5 | Fast feeding speed（m/min） | 40 |
Climbing angles（Max.） | 30 | Working state (mm) | 4200×3000×6100 |
Equipped capacitor（KW） | 129 | Hoisting force of winch（T) | 1.5 |
Using air pressure(MPA) | 1.7-3.5 | Swing torque(N.m) | 8000-12000 |
Air consumption（m³/min） | 17-42 | Dimension(mm) | 5900×2100×2500 |
Swing speed(rpm) | 40-160 | Equipped with hammer | Medium and high wind pressure series |
The penetration efficiency(m/h) | 10-35 | High leg stroke(m) | 1.4 |
The engine brand | Weichai engine | ||
Application Scenarios:
Orebody Control: Delineation of the deep-seated extent of gold, copper, lead-zinc, and other orebodies, as well as grade control. Geological Reconnaissance: Rapid, large-scale reconnaissance using medium-to-deep boreholes and the verification of geological anomalies.
Engineering Investigation: Engineering geological drilling for projects such as highways, railways, bridges, tunnels, and dams.
Hydrogeological Investigation: Hydrogeological surveys and preliminary exploration for water wells.
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