Modern Mining July 2018

PRODUCT News

Safe, dependable blast-hole drilling

Sandvik Mining and Rock Technology has delivered and commissioned the first DR461i (now identified as the DR412i) rotary blast-hole drill to the African conti- nent. This next-generation blast-hole drill drastically improves productivity while returning better-than-ever fuel efficiency and vastly improved availability compared with its predecessor, says Sandvik. The DR412i has several unique features that work to protect operators and main- tenance employees. Foremost of these is its emphasis on creating space for acces- sibility and visibility which starts at the operator’s cab and extends to work areas and routine maintenance ports. Work areas are optimised to serve productivity with the entire layout of the rig optimised for ergonomic functionality and safety in line with worldwide standards and guidelines including Mining Design Guidelines (MDG) and Earth Moving Equipment Safety Round Table (EMESRT). The DR412i is equipped with the

Sandvik Compressor Management System (CMS), which effectively isolates the com- pressor from the motor, saving up to 30 % on fuel with a proportional increase in engine and compressor life while reducing carbon emissions. The drill rig offers a host of automation features to further improve performance. These include line-of-sight remote control options which allow a single operator to control multiple rigs, or more advanced tele-remote-control operations allowing operation from a remote location using cameras, sensors, software and vehicle telemetry. The Sandvik DR412i is designed to drill blast holes with a diameter of 216 – 311mm to a maximummulti-pass depth of up to 75 m. It can be fitted for both down- the-hole (DTH) drilling and rotary drilling and has a CAN-Bus-controlled hydraulic system for higher availability. The machine has a rigid undercarriage construction which increases stability to

The Sandvik DR412i rotary blast-hole drill.

allow for more drive power. Next-generation auto-levelling, no- hands drill bit changes, full visibility of the drilling operation, a shock-mounted cab, function lockout fail-safe programming and touch screen operation also contrib- ute to improved productivity and safety. Sandvik Mining, tel (+27 11) 929- 5300

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