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New ‘disruptive’ mine borer heads for Indaba unveiling

2nd February 2018

By: Martin Creamer

Creamer Media Editor

     

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A new Proudly South African mine tunnel borer that requires no blasting, delivers higher production advances, comes with a collaboration imprimatur and can be retrofitted to existing operations will be unveiled at the Mining Indaba, in Cape Town, and commissioned in the third quarter of this year.

JSE-listed Master Drilling announced the upcoming ‘disruptive’ mobile tunnel-boring solution last month, which, it said in a release to Creamer Media’s Mining Weekly, provides quicker orebody access at the capital stage of mining projects and increases productivity when opening up blocks of ground at the production stage.

Excavation, support and waste removal are continuous, with the nonexplosive process increasing on-face time.

“We believe this solution presents substantial future growth opportunities,” said Master Drilling CEO Danie Pretorius.

Internally conceptualised and internationally patented, the new machine can bore out diameters of 5.5 m at rates that far exceed conventional tunnel boring methods, the company said, adding that it bores declines, ramps, haulages and contact tunnels in hard rock with compressive strengths of 300 MPa-plus.

To realise the concept, the company collaborated with Italy’s Seli Technologies, a company with half a century of tunnelling experience.

The 30-year-old South Africa-based Master Drilling has 160 rigs in 20 countries, which provide drilling and raiseboring services.

Edited by Martin Zhuwakinyu
Creamer Media Senior Deputy Editor

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