Fleet Options
RUC Cementation Mining Contractors is able to supply a range of Raise Boring equipment, with the expertise and experience to tackle any project, anywhere in the world.
Quick Navigation
Box Hole Boring
Raise Boring
Ingersoll Rand RBM7
Robbins 61R
Robbins 71R
Robbins 83R
Robbins 85R
Wirth HG330
Strata 850
Strata 950
Fleet > Raisebore > Robbins 85R
Specifications
| Raise Diameter | up to 5m |
| Raise Length | 500 meters |
| Pilot Hole Diameter | 13¾" or 15" Tri-cone bit size |
| Drive | Hydraulic Motor |
| Drive Type | Hydraulic Drive |
| Drive Speeds | 0 - 96 rpm |
| Ream Speeds | 0 - 6 rpm |
| Pilot Thrust | 158 tonnes at 24 mpa |
| Reaming Pull | 517 tonnes at 27.5 mpa |
| Weight | 26,000 kg |
| Transport Means | Sled |
| Vertical Drilling | 4.3m (retracted) / 6.3m (extended) |
| Dip Angle Limit | Vertical to 60º from horizontal |
| Power Requirements | 550 kVA at 415 volts, 3 phase, 50Hz or 550kVA at 1000 volts, 3 phase, 50Hz |
| Water Consumption | 56 litres per second. Water is recycled through settling sumps. |