Mechanical Technology November 2015

⎪ Materials handling and minerals processing ⎪

more wear-resistant than its steel coun- terpart and combines the best properties of ceramic (1 400 HB) and rubber to offer high wear resistance and to effectively absorb impacts,” explains Carrasco. Mining company Doña Inés de Collahuasi is Chile’s third largest pro- ducer of copper. It specialises in the extraction and production of copper concentrate and copper cathodes as well as molybdenum concentrate. Metso is a leading industrial company in the mining and aggregates indus- tries and in the flow control business. “Our knowledge, people and solutions help drive sustainable improvements in performance and profitability in our customers’ businesses. We also have an uncompromising attitude towards safety and our products range from mining and construction equipment and systems to industrial valves and controls. “Metso solutions are delivered and supported by decades of process knowl- edge and a broad scope of services backed by a global footprint of over 90 service centres, thousands of service employees, and an extensive logistics network,” Carrasco concludes. q

Gear pinion downtime reduced M etso’s service experts have man- aged to significantly reduce the downtime needed for replacing

time needed for service and achieving of the customer’s safety indices shows our passion for working closely with the customer to achieve common goals. With an average downtime reduction of 64% in assembly, we have demonstrated our high level response capabilities when dealing with upgrades and equipment servicing, as well as assembly of new equipment” says Juan Zuleta, field services manager at Metso. q

pinions and gears for 33 rod and ball mills by working closely with the customer at Codelco’s Chuquicamata division in Chile. Metso has an on-site team of some 30 ser- vice experts working for the division’s largest mill overhauling project. The services contract has been running for more than a year and it includes replac- ing of pinions and gears for 21 ball mills and 12 rod mills for two concentrator plants. So far Metso’s service experts have managed to reduce the downtime needed for the service work by over 50%, reducing from eight to four days in the case of ball mills, and from 14 to five days for the rod mills, a reduction of 64%. Further to this, Metso specialists have carried out mantle repairs and the expecta- tion is that these will remain in working condition for 60 months, until the next scheduled maintenance period. “This outcome is an example of our ser- vice team’s constant, methodological and systematic efforts. The project demonstrates our long experience and deep know-how in services. Significantly reducing the down-

Metso service experts replacing pinions and gears in Chuquicamata, the world’s largest open pit mine. Metso has reduced downtime needed for the service work by over 50%, from eight to four days in the case of ball mills, and from 14 to five days for the rod mills.

Mechanical Technology — November 2015

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