Metso has signed an 18-month services contract with Codelco's Chuquicamata mine for grinding mill maintenance, encompassing changeout of components for 33 ball mills currently operating in the A0 and A1 plants at Chuquicamata.

The work will involve changing mill pinion-gear assembly and repairs to mill shells.

Metso said it plans to repair two mills per month and maintain continuous monitoring of the status of the equipment. The value of the contract was not disclosed.

The agreement, which covers gear disassembly, new gear assembly, pinion assembly, gear alignment (slow rotation) and mantle repair, was scheduled to take effect in April. The contract will create 30 new Metso services jobs in northern Chile.

The agreement, which covers gear disassembly, new gear assembly, pinion assembly, gear alignment (slow rotation) and mantle repair, was scheduled to take effect in April.

The contract will create 30 new Metso services jobs in northern Chile.

Metso, which has a long history of involvement in the Chuquicamata operations-it supplied three large MP1250 cone crushers and an automatic control system to Chuquicamata in 2012, for example-also noted that its 750 employees in Chile have worked more than two years without a lost-time incident. The Association of Major Suppliers for Mining in Chile recognized Metso for its safety results in 2013.

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