For the trade press
Erlangen, 2007-Dec-04
The Siemens Industrial Solutions and Services Group (I&S) received an order from Anglo American Chile to supply a 22 MW gearless drive for a 40’ SAG-mill and two 16.4 MW gearless drives for two 26’ ball mills for their Los Bronces Development Project. After Cadia Valley Operations and the Sino Iron Project – both located in Australia – this will be the third location where Siemens gearless drive systems are installed at 40’ SAG-mills.
Anglo American Chile is a subsidiary of the London-based Anglo American PLC, and operates four mining sites and a smelter plant in Chile. Furthermore, the company is one of the major owners of the Collahuasi mining company. In 2006, Los Bronces, located about 65 km east of Santiago, produced approx. 226,000 metric tons of copper as well as molybdenum. Thanks to this development project production is foreseen to be expanded by 170,000 metric tons on average as from 2011, making Los Bronces one of the biggest copper and molybdenum mines worldwide.
Anglo American decided to exclusively install gearless driven mills in this plant to avoid time consuming maintenance and power losses due to girth gear and pinions. The gearless drives solutions developed by Siemens are designed to provide mill drives with the lowest possible power consumption available in the market while offering highest availability and reliability. Result of the design shall be mill drives with the lowest life-cycle cost and highest production figures.
All three gearless drives will be equipped with a “Frozen Charge Shaker”, a system recently developed by Siemens allowing for controlled release of frozen charges. This removes the need for manual cleaning and thereby reduces downtime. A PC-based diagnostic and information system with server-based documentation system will enable an easy access to all maintenance documentation.
A main reason for the order being awarded to Siemens is the successful operation of a Siemens equipped 40´ SAG-mill in Newcrest Mining Ltd.´s gold and copper mine Cadia Valley Operations in Australia.
Further information at: http://www.siemens.com/mining
A photograph supplements this press release. Please see:
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P.O. Box 3240
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Tel: +49-9131 7- 44544
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The Siemens Industrial Solutions and Services Group (I&S) is the integrator of systems and solutions for industrial and infrastructure facilities and global service provider for the plant and projects business covering planning, installation, operation and the entire life cycle. I&S uses its own products and systems and process technologies in order to enhance productivity and improve competitiveness of companies in the sectors of metallurgy, water treatment, pulp and paper, oil and gas, marine engineering, open-cast mining, airport logistics, postal automation, intelligent traffic systems and industrial services. In fiscal 2007 (to September 30) I&S employed a total of 37,000 people worldwide and achieved total sales of EUR 8.894 billion, according to U.S. GAAP. Further information and downloads at: http://www.industry.siemens.com
Reference Number: I&S 0707.6423 e
P.O. Box 3240
D-91050 Erlangen
Tel: +49-9131 7- 44544
Fax: +49-9131 7-25074