61R Raisebore from RUC Cementation Mining Contractors

上海仪舶实验室自动化 25-01-23 14:43:24

61R Raisebore from RUC Cementation Mining Contractors

RUC Cementation Mining Contractors has modified their fleet of Robbins 61R Raisebores to create a 'low profile' rig. This allows the Robbins 61R to operate in more confined spaces, where height restrictions prevent other equipment from operating.

Specifications:

Raise Diameter: Up to 2.1 meter nominal diameter

Raise Length: 100 meters

Pilot Hole Diameter: 11" Tri-cone bit size

Drive Type: Hydraulic Drive

Drive Speeds: 0-24 rpm

Ream Speeds: 0-6 rpm

Pilot Thrust: 109 tonnes at 24 MPA

Reaming Pull: 230 tonnes at 27.5 MPA

Vertical Drilling: 3m (retracted) / 4.5m (extended)

Dip Angle Limit: Vertical to 45º Flatter angles to 30º from horizontal with special supports

Power Requirements: 170 KVA, 1000 Volt, 3 phase, 50 cycle

Water Consumption: 52 litres per second at 100 PSI (approx). Water is recycled through settling sumps

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