This Boart Longyear Stopemaster is a vertical drill — a machine type also referred to as an uphole drill — designed for underground mining applications where boreholes must be drilled vertically or at steep angles into the rock mass above. Boart Longyear is a well-established name in drilling equipment and drilling services, supplying machinery to the mining, exploration, and construction industries worldwide.
Built in 2008 and located in Ontario, Canada, this used unit is powered by a diesel engine and has been engineered specifically for underground stope environments where space constraints and access limitations are central operational challenges. The machine's modular design allows it to be efficiently dismantled and reassembled, enabling rapid transport even into confined or otherwise difficult-to-reach areas. This characteristic directly reduces move time between setups and supports higher overall site productivity.
The drill is noted for excellent deep-hole accuracy, achieved through what the manufacturer describes as superior guidance within the feed system and the integration of a Hercules centralizer. This level of directional control is particularly valuable in stope drilling, where deviation over depth can compromise the effectiveness of the blast pattern. The machine is also described as delivering consistent, high performance regardless of variations in operator skill or prevailing site conditions — a practical advantage in operations that depend on reliable output across shifts or crews.
Maintenance intervals are reported to be extended relative to comparable equipment, a claim grounded in extensive accumulated drilling experience. The design philosophy emphasizes cageable flexibility, level-to-level mobility, and stope-to-stope versatility, making this drill well suited to the repetitive repositioning demands of production stoping cycles. The compact and mobile package supports optimum manoeuvrability within the tight geometry typical of underground stope workings.
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