COMACCHIO X CX 20A RC Reverse Circulation Drill Rig
COMACCHIO CX 20A RC is an exploration rig for air reverse-circulation drilling. Cuttings return through the inner tube of a dual-wall drill string to the sampling equipment at the surface. The air supply, hammer and sampling system are selected for the diameter, depth and formation.
The CX 20A RC combines the CX 20 pullback class with a longer feed stroke. Its configuration supports long rod elements and appropriately specified RC drill strings.
| Technical data | |
|---|---|
| Diesel engine power | 201–209 kW |
| Pullback force | 20,000 daN |
| Feed force | 12,000 daN |
| Feed stroke | 8,000 mm |
| Clamping range | 45–365 mm |
Performance and dimensional ranges cover different versions. The drilling method, head and auxiliary equipment determine the specific machine configuration.
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