en.Wedoany.com Reported - Swiss ABB has secured a contract to provide gearless mill drive (GMD) and ring-geared mill drive (RMD) technology for Harmony's Eva copper mine project in Queensland, Australia. The Eva Copper Mine is a new, large-scale open-pit copper mine expected to produce approximately 60,000 tonnes of copper annually over a mine life of at least 15 years. With global copper demand projected to grow by 24% by 2035, this project will contribute to regional copper supply.

The GMD system supplied by ABB has a power rating of 24MW and will drive a 40-foot semi-autogenous grinding (SAG) mill; additionally, an 18MW variable-speed dual-pinion RMD system will be used for a 27-foot ball mill. As the SAG and ball mills are the largest power consumers on site, the efficiency of the drive systems becomes a critical factor in the technology evaluation. Björn Jonsson, Global Business Line Manager for Mining and Materials, ABB Process Industries, stated: "ABB will integrate local manufacturing capabilities, global expertise, and proven technology to support Queensland's most significant new mining project."

The project also includes an eHouse designed and manufactured in Australia to simplify engineering and logistics. The engineering is being carried out by a global ABB team spanning Australia, Finland, and Switzerland. This contract reflects the growing global demand for critical metals and the resurgence of large-scale mining projects in Australia, where gearless mill drive technology plays a vital role in improving grinding efficiency.

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