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CFA drilling equipment is suitable for oil drilling equipment, well drilling equipment, rock drilling equipment, directional drilling equipment, and core drilling equipment.
CFA drilling equipment based on continuous flight auger drilling technique is mainly used in construction to create concrete piles. It can construct a continuous wall of reinforced concrete that protects workers during excavation.
CFA piles continue the advantages of the driven piles and the bored piles, which are versatile and require no removal of soil. This drilling method enables the drilling equipment to excavate a wide variety of soils, dry or water-logged, loose or cohesive, and also to penetrate through low capacity, soft rock formation like tuff, loamy clays, limestone clays, limestone and sandstone etc.
| Specifications | Euro Standards | U.S. Standards |
|---|---|---|
| Max drilling depth | 23.5m | 77 ft |
| Max drilling diameter | 1200mm | 47in |
| Engine model | CAT C-9 | CAT C-9 |
| Rated power | 261KW | 350HP |
| Max torque for CFA | 120kN.m | 88476lb-ft |
| Rotating speed | 6～27rpm | 6～27rpm |
| Max crowd force of winch | 280kN | 62944lbf |
| Max extraction force of winch | 280kN | 62944lbf |
| Stroke | 14500mm | 571in |
| Max pulling force of main winch (the first layer) | 240kN | 53952lbf |
| Max pulling speed of main winch | 63m/min | 207ft/min |
| Wire line of main winch | Φ32mm | Φ1.3in |
| Undercarriage | CAT 330D | CAT 330D |
| Track shoe width | 800mm | 32in |
| width of crawler | 3000-4300mm | 118-170in |
| Whole machine weight | 70T | 70T |
The maximum diameter of piling reaches 1.2m and max depth achieves 30m, helping overcome problems formerly connected to project and execution of pilings.
CFA drilling equipment is suitable for oil drilling, well drilling, rock drilling, directional drilling, and core drilling operations.
It constructs a continuous wall of reinforced concrete during the piling process, which effectively protects workers during excavation.
This equipment can excavate a wide variety of soils (dry, water-logged, loose, or cohesive) and penetrate soft rock formations like tuff, loamy clays, limestone clays, limestone, and sandstone.
According to Euro Standards, the maximum drilling depth is 23.5m and the maximum drilling diameter is 1200mm. Under specific project requirements, the maximum piling diameter can reach up to 1.2m and depth up to 30m.
The drilling equipment is configured with a CAT C-9 engine rated at 261KW (350HP) and a CAT 330D undercarriage to ensure high performance and reliability.
CFA piles combine the key advantages of both driven piles and bored piles. They are highly versatile, cost-effective, and require no removal of soil during excavation.
