ST350 Crawler Pneumatic Drilling Machine 350 Meters Depth Water Wells Drilling Rig
ST 350 Pneumatic Borewell Machine Knowledge
ST 350 type drilling rig is a mechanical top drive power head drilling rig independently developed by the company. Water collecting drill, gas drill function in one of the medium, efficient, multi-functional drilling and drilling equipment. It is mainly used for core drilling with large and small caliber, mainly alloy and diamond, as well as for engineering geological exploration, hydrology, wells, agricultural irrigation wells and other uses, especially for water collection projects in mountainous areas and rock formations.
ST 350 Pneumatic Borewell Machine Parameters
| Model | ST 350 Drilling Rig |
| Drilling depth | 350m |
| Dia.hole | φ140-325mm |
| Advance Length one time | 6.6m |
| Working pressure | 1.7-3.4 MPa |
| Air consumption | 17 - 36 m³/min |
| Length of rod | 1.5m,2m,3m, 6m |
| Dia. Of rod | φ89,φ102,φ114 |
| Lifting power | 22T |
| Rotation torque | 6200-85000N.m |
| Rotation Speed | 66 - 135 rpm |
| Diesel Engine | Yuchai |
| Engine Power | 92 Kw/2200rpm |
| Travelling speed | 0-2.5 Km/h |
| Climb capacity | 30° |
| Weight | 9000kgs |
| Dimension | 6000x2000x2780mm |
| Application | Complicated geological conditions: Rock, Mud, Sand etc. |
| Drilling Way | Top drive hydraulic rotary and propulsion, Dth Drilling or Mud Pump Driling |
| DTH Hammer | 4",5",6",8",10" Drill hammer or CIR110, 130, 150,170 |
| Remark: It is installed with steel track , winch, electric welding machine. |
Characteristics of pneumatic drilling rig
The drilling rig adopts the mechanical top drive power head structure, and the energy consumption is greatly reduced than the hydraulic top drive.
A single trip to 3500 mm, can save a large number of inverted rod work, high drilling efficiency.
With the design of geomantic faucet, the sealing method is reliable, which can carry out both mud drilling and pneumatic impactor drilling.
Equipped with automobile gearbox optional automatic gearbox, variable speed range is wide, suitable for different drilling process.
Track hydraulic walking, easy to operate, moving machine save time and labor.
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Crawler Pneumatic Borewell Drilling Machine 350 Meters Depth Images
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