CFA Equipment
Basic Information:
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, The maximum diameter of piling reaches 1.2 m and max. depth achieves 30 m, helping overcome problems formerly connected to project and execution of pilings.
TR180W CFA Equipment - modified from TR180D Rotary Drilling Rig
| Technical Parameters |
| | Euro Standards | U.S. Standards |
| Max drilling depth | 16.5m | 54 ft |
| Max drilling diameter | 800mm | 32in |
| Engine model | CAT C-7 | CAT C-7 |
| Rated power | 187KW | 251HP |
| Max torque for CFA | 90kN.m | 66357lb-ft |
| Rotating speed | 8~29rpm | 8~29rpm |
| Max crowd force of winch | 150kN | 33720lbf |
| Max extraction force of winch | 150kN | 33720lbf |
| Stroke | 12500mm | 492in |
| Max pulling force of main winch (the first layer) | 170kN | 38216lbf |
| Max pulling speed of main winch | 78m/min | 256ft/min |
| Wire line of main winch | Φ26mm | Φ1.0in |
| Undercarriage | CAT 325D | CAT 325D |
| Track shoe width | 800mm | 32in |
| width of crawler | 3000-4300mm | 118-170in |
| Whole machine weight | 55T | 55T |
Configuration(by first class key components)
Base: Original Caterpillar 325D base
Engine: C-7 engine with ACERT™ technology
Hydraulic systems adopt Rexroth motor and wave
Electric systems are from Pal-Fin auto-control
Rotary drive: Linder HMR135-02P1 Motor；Rexroth ED2250 Reducer
Main winch: Rexroth A2FE125/61W-VZL181-K Motor;；Rexroth GFT80W3B99-35 Reducer
