Siemens said the 28-MW output of these mill drives makes them the most powerful available in the market. • An order announced on December 4, 2007, for gearless drive systems to be used on a 40-ft-diameter SAG mill and two 26-ft-diameter ball mills at Anglo American Chile…
WhatsAppGet PriceGet A Quote
Ring Motors vary the speed of the mill by changing the sta-tor frequency. A cycloconverter provides variable frequency for start, stop and speed variation during operation. Figure 1: Ring Motor of the 38’ SAG-Mill of Rio Paracatú Mineraçao; Brazil 3 Design Verification To assure reliability of operation the mechanical design must be verified.
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
sag mill siemens. Sep , for the two oregrinding mills, siemens is supplying gearless ring motor drive systems supplied with power via cycloconverters the sag mill has a diameter of feet meters and will be equipped with a megawatts drive system the foot mill
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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...
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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...
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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...
WhatsAppGet PriceGet A Quote
Gearless Mill Drives. Escondida IV Chile Project One SAG Mill and 3 Ball Mill Drive Systems Capacity SAG Mill 4583 t/h Ball Mills 4583 t/h Consultant Bechtel Chile Mill Builder FFE Minerals USA Mill Size SAG Mill 38 feet/11 58 m Ball Mills 25 feet/7 62 m Ore processed Copper Ore Drive Rating SAG Mill 19 4 MW / 9 31 rpm Ball Mills 13 43 MW / 11 5 rpm...
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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 capacity for copper ores.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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 capacity for copper ores.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
sag mill siemens. Sep , for the two oregrinding mills, siemens is supplying gearless ring motor drive systems supplied with power via cycloconverters the sag mill has a diameter of feet meters and will be equipped with a megawatts drive system the foot mill
WhatsAppGet PriceGet A Quote
Dec 03, 2007· 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
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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 capacity for copper ores.
WhatsAppGet PriceGet A Quote
WhatsAPP 24h online service
24h Online Chat
