GMD technology for Minera Escondida. ABB gearless mill drive, installed 2002 at the Minera Escondida in Chile. ABB announced that it will supply a new 15.7 MW gearless mill drive (GMD) system for a 26 ft ball mill, including transformers, ring motor and a complete electrical room entirely equipped, to Minera Escondida/Chile.
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Modernization down under . Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for the excitation circuit – the first time that both types of converter have been used in a gearless drive.
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In Chile, in Anglo American’s Los Bronces mine,Siemens Gearless Mill Drives have been implemented for the Confluencia concentrator plant. Siemens GMD''s are e...
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Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. When future tonnage is to be increased, the SAG Mill can feed downstream ball milling to boost capacity. Fuller-Traylor SAG/AG Mills range in size from 4.3m through 12.2m in diameter with powers as high as 28,000 kW.
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SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option
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GMD technology for Minera Escondida. ABB gearless mill drive, installed 2002 at the Minera Escondida in Chile. ABB announced that it will supply a new 15.7 MW gearless mill drive (GMD) system for a 26 ft ball mill, including transformers, ring motor and a complete electrical room entirely equipped, to Minera Escondida/Chile.
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Siemens will be delivering two gearless mill drives (Fig.) and water-cooled Sinamics SL150 cycloconverters to meet these special Toromocho requirements. In future, the 36-foot SAG mill of the new production line will be operated with a 13.5-megawatt drive.
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SAG mill by feeding crushed pebbles; The standard destination for crushed pebbles has been to return them to SAG feed. However, open circuiting the SAG mill by feeding crushed pebbles directly to a ball-mill circuit is often considered as a technique to increase SAG throughput.
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Mill in Brazil and Lumwana having a 38ft, 18 MW SAG and one 26ft, 16 MW Ball Mill in Zambia, all three mills put in operation in 2008, as well as Los Bronces, Confluencia in Chile equipped with one 40ft SAG Mill of 22 MW and two 26ft Ball Mills of 16.4 MW commissioned in 2011. In the light of increasing interest in that technology various
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Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens kept pace. In 1996, Freeport ordered the first gearless drive for a 38-foot SAG mill located at the company''s Grasberg plant in …
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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.
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Siemens – setting the standards in mining. Posted by Paul Moore on 11th August 2021. Powering some of the world’s largest mining conveyors, grinding mills, hoists and trolley assist truck fleets, Siemens has an enviable reference list and depth of experience. IM Editorial Director, Paul Moore spoke to Christian Dirscherl, VP for Mining
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Siemens Kv Vfd For Sag Mill. Igct based drives serve in the roughest applications such as rolling mill drives in metals, ball and sag mill drives in mining or drives in marine propulsion.Moreover, igct based converters can be found in power conversion applications such as grid interties e.Railway interties in switzerland, germany, austria or scandinavian countries.
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2011822&ensp 0183&enspanother first came in 1991 when siemens supplied gearless drives for two 36foot ring motors developing a 12000 kw gearless drive for the kennecott utah sag mill and a 11200 kw gearless drive for the el teniente chile sag mill. in a continued call for larger even more powerful drives siemens kept pace.
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Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens kept pace. In 1996, Freeport ordered the first gearless drive for a 38-foot SAG mill located at the company''s Grasberg plant in …
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Siemens also supplied the gearless drives for a 36-ft SAG mill with a rated power of 15 MW and a 26-ft ball mill with 15.5 MW of rated power recently installed at the Minera Los Pelambres get price Siemens modernizes drive system for ore mills in Chile
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Since January 2010, Chile´s Minera Los Pelambres Ltda. is operating a new SAG mill and a new ball mill equipped with gearless drives systems by Siemens. The mills are intended to increase processing...
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Siemens modernizes drive system for ore mills in Chile. As one of the world''s biggest copper ore operations, theChilean miningcompany Compañía Minera Doña Inés de Collahuasi SCM based in Las Condes/Chile commissionedSiemensto modernize the drive system of four of itsore mills.The mine is located in the North ofChile,around 180 kilometers southeast of the port of Iquique.
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Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since 1980. In these thirty-plus years, SIMINE Gearless mill drives have accumulated a combined total of over 500 years in operation time – and this number is steadily growing even as you read this. This is a benchmark we are immensely proud of.
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SIMINE Gearless mill drives’ rpms can be tailored to your operations at any time, and are infinitely variable and uncomplicated. Whether manually or fully automatic – rpms can be adjusted to account for the proper-ties of the ore, resulting in significantly less wear to the mill lining. The mill’s direction
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This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for the excitation circuit – the first time that both types of converter have been used in a gearless drive.
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Gearless Mill Drives ABB. Antamina Compania Minera Antamina S.A. Peru Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill t/h Ball Mills t/h Consultant: Bechtel, USA Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m Ball Mills 24 feet/7,32 m Ore processed: Copper/Zinc Drive Rating: SAG Mill 20,1 MW, 9,23 rpm Ball Mills 11,2 MW, 11,38 rpm
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SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option
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Since January 2010, Chile´s Minera Los Pelambres Ltda. is operating a new SAG mill and a new ball mill equipped with gearless drives systems by Siemens. The mills are intended to increase processing...
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This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for the excitation circuit – the first time that both types of converter have been used in a gearless drive.
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Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens kept pace. In 1996, Freeport ordered the first gearless drive for a 38-foot SAG mill located at the company''s Grasberg plant in …
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This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for the excitation circuit – the first time that both types of converter have been used in a gearless drive.
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Siemens to deliver automation systems for Chilean mining company . February 15, 2017
Siemens to Upgrade SAG Mill Drives at Bingham Canyon November 2010 | Suppliers Report Rio Tinto has commissioned Siemens Industry, Inc. to modernize three semi-autogenous grinding (SAG) mills at Kennecott Utah Copper’s Bingham Canyon mine/plant complex near Salt Lake City, Utah, USA.
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Siemens Kv Vfd For Sag Mill. Igct based drives serve in the roughest applications such as rolling mill drives in metals, ball and sag mill drives in mining or drives in marine propulsion.Moreover, igct based converters can be found in power conversion applications such as grid interties e.Railway interties in switzerland, germany, austria or scandinavian countries.
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