RC drill rig

Reverse Circulation Drill (RC Drill) is a drilling equipment that uses compressed air to circulate and discharge slag. Its core principle is to use a double-wall drill pipe structure to quickly discharge rock cuttings through the inner tube to avoid the risk of hole plugging in traditional positive circulation drills. Taking the YG RC-800 drill as an example, it is particularly good at hard rock formations such as granite and basalt (compressive strength ≤300MPa). Click to get a customized exploration plan!

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RC drill rig parameters

ModelYG150RC
Drill rig weight(crawler mounted)kg9000
Engine PowerkW125
Length × Width × Height (normal)mm6750x2200x2950
Ambient Temperature Range°C-10~38
Drill Ability
Nominal Drill Depthm150
End-hole Diametermm110-250
Drill angle°-10-90
Horizontal hole heightm1.85-2.8
Drill head output
Max Output TorqueN.m8000
Output Rotation Speed(continuity)rpm30 / 60, 54/108rpm
Output Rotation Speed(interval)rpm62 / 124105/210rpm
Feedingmm3500
Thrust ForcekN45
Lifting CapacitykN65
Pipe-puller Device Output
Output Rotation Speedrpm40
Max Output TorqueN.m30000
Hole-through Diametermm370
Auxiliary Winch
Pull Force of the First LayerkN11
Rope Diametermm14
Rope Capacitym60
Engine(Cummins)6BTA5.9-C125
PowerkW125
Rotary Speed (Max.)rpm2200
Track Chassis Base
Walk SpeedKm/h1.2
Unit PressureMPa<0.05
Climb Ability°≥20

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RC drilling machine application range

Reverse circulation drilling rigs are widely used in the following applications due to their high sampling accuracy and strong formation adaptability:

  1. Mineral exploration: Rapidly obtain continuous rock cuttings samples of metal ores (gold, copper, lithium), with a grade analysis error rate of <3%;
  2. Water well construction: Drilling deep wells in arid areas, with a single hole daily footage of up to 50 meters;
  3. Pile foundation engineering: Providing large-diameter rock-embedded pile holes for cross-sea bridges and wind power bases (such as the Jakarta-Bandung high-speed rail project in Indonesia);
  4. Environmental monitoring: Accurately collect samples of contaminated soil layers to support ecological restoration;
  5. Scientific research drilling: Research on polar ice layers and active volcanoes.

Case: A gold mine in Australia used a YG RC drill rig to complete 200 exploration holes within 3 months, and the accuracy of vein positioning increased by 40%.

Advantages of reverse circulation drill rig

  1. Efficient slag removal: The double-wall drill rod design enables a chip removal speed of 40m/s, and the drilling efficiency is increased by 60%;
  2. Pure samples: The cuttings do not contact the hole wall, and the metal mineral recovery rate is as high as 98%;
  3. Controllable costs: Consumable wear is reduced by 30%, and the comprehensive operation and maintenance cost is reduced by 25%;
  4. Environmental protection and safety: The closed circulation system reduces dust spillage, and the noise is less than 85 decibels;
  5. Flexible adaptation: The modular design supports multiple deployment methods such as trucks, crawlers, and ships.

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Digital RC drill rig for sale

  1. Real-time monitoring system: Displays 15 parameters such as wind pressure, speed, and hole depth, and automatically alarms for abnormal data;
  2. AI rock cuttings analysis: Identify mineral types through cameras and preliminarily determine the boundaries of mineralized zones (accuracy ≥80%);
  3. Remote control: Supports satellite networking, and engineers can monitor the operating status of multiple devices globally;
  4. Data cloud management: Automatically generate drilling reports and synchronize them to geological databases to reduce manual errors.

Why do global customers choose the YG RC drill rig?

  1. Technology leadership: 12 international patents, maximum torque of 18,000N·m (industry average 10,000N·m);
  2. Extreme environment verification: stable operation in the Sahara Desert (55℃), Siberia (-40℃), etc.;
  3. Service network: 23 service centers around the world, providing 48-hour parts delivery and on-site technical support;
  4. Success endorsement: Serving mining giants such as Rio Tinto and BHP Billiton, the equipment has run trouble-free for more than 10,000 hours.

From hard rock penetration to intelligent exploration, from cost optimization to global service, YG reverses circulation drill rigs and redefines the drilling industry standards with “efficiency, precision, and reliability”. If you need to obtain the “RC Drilling Rig Selection Guide” or make an appointment for a field demonstration, contact the YG engineering team immediately!

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