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Successful Test of Automated Robot Charger for Underground Mines

ABB robot charger automatically detects boreholes, fills them with charges, with no humans present

Mon, 11/20/2023 - 12:01
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(ABB: Zurich) -- ABB has successfully completed testing of an industry-first automated robot charging technology for underground mines in partnership with mine operators Boliden and LKAB. The goal is to make mines safer by automating one of few manual processes left in mining: charging the blasting holes with explosives.

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Blasting schedules in underground mines can vary, but the process takes place up to 15 times per day in larger mines as miners expand the chambers to extract mineral and metal ores. The ABB robot charger automatically detects boreholes and fills them with charges without the presence of humans, removing the need for people to be near the unsupported rock face during blasting sequences.

The completed testing phase confirms the effectiveness of integrating the robot charger with a carrier vehicle, communication with bulk emulsion and vision systems, and incorporation of a second robot arm to assemble the primer and detonator. It ensures full reach to all borehole levels and areas of the rock face as well as remote control for operators.

The program has been undertaken at Boliden Garpenberg, which is the world's most productive underground zinc mine, 180 km northwest of Stockholm.

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