Sandvik mining jumbos are designed to work in the toughest conditions. Leading the way to the ore, Sandvik jumbos provide safe operation and high productivity with top quality outcome. Mining jumbo family provides 1-3 booms and efficient rock drills on articulated carrier delivering an optimally shaped coverage area for even the most challenging customer requirements. The well designed structure and proven components keep the Sandvik mining jumbos running continuously.
Mining jumbos
Sandvik mining jumbos are safe, robust, and extremely productive drill rigs for small and medium size tunnels. Each model is available with a wide range of options, to suit various customer needs and mining environments.
Mining jumbos can be equipped with different levels of instrumentation to increase accuracy and provide real-time information on the drilling process.
| Models | Former name (Tamrock) | Drift size classm (ft) | Booms | Max tunnel size (height x width), m (ft) | ||
| DD311 | DD310 Axera 5 | 3x3 | (10x10) | 1 | 5.8x7.2 | (19'x23'7") |
| DD321 | DD320 Axera 6 | 4x4 | (13x13) | 2 | 6.0x8.8 | (19'8"x28'10") |
| DD421 | DD420 Axera 7 | 4.5x4.5 | (15x15) | 2 | 6.6x9.9 | (21'8"x32'6") |
| DD530 | Axera 8 | 5x5 | (16x16) | 3 | 7.0x11.5 | (23'x37'9") |
Narrow vein mining jumbos
Sandvik narrow vein drill rigs are designed to work in narrow reef sections. These drill rigs have optimum drilling coverage and performance, as well as good operator and maintenance ergonomics. They are designed with maximum safety and productivity in mind, resulting in value added benefits for the end user. They are typically used in gold mining for development and production, and offer coverage of up to 26m².
| Models | Former name (Tamrock) | Min. drift size class h x w(m) | Max tunnel size h x w (m) | Rock drill | Feed length | No. of booms | Width mm | Height (canopy down) mm |
| DD210 | Quasar 1F | 2.5x2.5 | 4.4x5.5 | HL510S | 8-12' | 1 | 1200 | 2750 (1950) |