Core Drilling Rig, HF-8
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HF-8
The HF-8 core drilling rig is used for medium and deep holes and has a diamond and carbide-tipped bit for a strong drilling performance. Featuring mechanical transmission, spindle rotation, and hydraulic feeding, the core drilling equipment is used for prospecting metallic and nonmetallic solid mineral deposits, shallow oil and natural gas exploration, geothermal well digging, mine ventilation and drainage and pile construction projects with large diameters.
With a range of drilling speeds, a large output torque for lifting, and a horizontal hoister, the diamond core drill rig is an ideal choice for industrial projects. A hydraulic brake allows for quick, safe, and reliable braking. The HF-8 can also be used as a oil drilling rig.
Technical data| Drilling depth | 1000-3000m (3280-9840 feet) | |
| Spindle stroke | 1000mm (39.4 inch) | |
| Shift range | 690mm (27.2 inch) | |
| Max. hoisting force | 300kN (67440 lbf ) | |
| Max. pressure force | 141kN (31697 lbf ) | |
| Max. single-wire hoisting force | 125kN (28100 lbf ) | |
| Max. content of winding drum | 120m (394 feet) | |
| Steel wire size | 21.5mm (0.85 inch) | |
| Electro-motor model | Y2 - 280M - 4 | |
| Electro-motor output | 90kw (122 HP) | |
| Electro-motor rotation rate | 1480r/min | |
| Diesel engine model | Cummins 6 BTA 5.9-C180 | |
| Diesel engine output | 132kw (180 HP) | |
| Diesel engine rotation rate | 1900r/min | |
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