In the mineral processing industry the use of large gearless cycloconverter drive systems for SAG-Mills has become more and more common in the recent years. Very high power ratings with excellent dynamic performance and high efficiency over a wide speed range allow advanced optimization of the process. The design of such large mill drive systems …
New Drive Configuration Tail: 0 kW Head: 1 x 5000 kW. New Drive Configuration allows a component reduction of 50%, means only one: Driven Motor shaft per pulley Motor, Frequency Converter, Transformer, MV-breaker in case of single drives per pulley or smaller Multidrive system. Max. belt tension might be higher (to be checked for …
ABB's state-of-the-art gearless mill drives (GMD) and gearless conveyor drives (GCD) have already become differentiators when combined with advanced digital …
Summary. February 28, 2011 - ABB, was awarded an over $47 million contract from Codelco for the delivery of three gearless mill drive (GMD) systems, gas-insulated switchgears (GIS), E-house and power transformers for the Ministro Hales (MH) project at 6 Kms north from Calama, Chile. The MH project brings the number of GMD …
Zurich, Switzerland, March 9, 2012 – ABB, the leading power and automation technology group, won an order worth $43 million to deliver three gearless mill drive … » More detailed. ABB to deliver three large gearless mill drives for Mauritanian … ABB, gearless mill drives, GMD, Mauritanian, gold mine project, Kinross Gold Corporation, Tasiast
Insights. Gearless Conveyor Drives: the power behind the world's largest open-pit copper mine. How digitalized gearless drive technology results in energy savings and improved …
– In 2003, ABB got the order to restart St. Ives GMD project – E-House was sent back from Rotterdam to Switzerland for inspection, modifications and re-testing in Sept 2003 – Civil works for SAG mill completed in mid 2004 – Civil Woks & Motor/Mill Installation took place in 3rd & 4th quarter 2004 – Commissioning work started in Sept 2004
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ABB's gearless mill drive footprint in Russia The company was an early mover in the Russian market. As a result of this, ABB is benefitting from the recent boom of large projects in Russia and in the '-stan' countries. The company recently took an order for 12 GMDs in Russia, the largest single order in the history of GMDs in mining,
reliable operation of especially large cycloconverter-driven gearless mill drive systems (GMDs) used for grinding. This paper explores the impact, technical advantage and reasoning for the selection of this advanced hybrid technology to cope with the power system challenges of future mining projects.
insurers view the specific risks related to large Gearless Mill Drive (GMD) mills, and why the insurability of these large mills is a significant concern to the mining industry that utilizes them, the manufacturers that design and construct them, and the insurance companies that provide coverage to the users. Introduction to Risk Management
The Table I shows some mill drives selected in recent projects. A power circuit topology of a 12-pulse LCI with a six-pulse con- clear trend has been observed toward the use of gearless drives. nection at the power inverter (machine side) is shown in Fig. 3. ..., SAG mill gearless drive," in Proc. Int. Conf. SAG Grinding, Vancouver, in 1979. ...
The three ABB gearless mill drives (GMDs) are part of an expansion project at the Tasiast gold mine that is scheduled to go into commercial operation in early 2014.
September 1, 2010 - ABB won an order from Newmont Mining Corporation to engineer three gearless mill drive (GMD) systems to be installed at the Yanacocha Minas Conga oxide copper gold project in Peru. Fluor Corporation in Santiago, Chile, will act as EPCM contractor for this important project; Corporation will be the mill supplier.
He currently leads the Global Gearless Mill Drives Business Line." Head of Product Management, Marketing & Sales for business line Gearless Mill Drives ABB ... He first joined ABB in 2000 as a Project Manager and held several positions of added responsibility including customer success management as well as business unit General Manager with …
The ABB gearless mill drive (GMD) is the most powerful mill drive system available, ... ABB has successfully realized GMD projects with both fewer and greater than four stator parts. 5. A thorough analysis of the complete system (mill, pole units, bearings, foundations,
ABB has held the second global Gearless Mill Drive (GMD) User Meeting (Fig. 1). ... » exciting projects » free of charge and can be canceled at any time ... From 13.-16.10.2010 ABB held its fourth global Gearless Mill Drive (GMD) User Meeting in Las Vegas/USA (Fig.). The conference with more than 150 participants from all five continents was ...
The SAG mill drive package is rated at 21 MW; the ball mill drives at 16.4 MW. • An order in May 2008 valued at more than €20 million from Aurox Resources Ltd. to supply gearless drives for a 34-ft-diameter, 14-MW SAG mill and a 26-ft-diameter, 17-MW ball mill for an iron ore project in Western Australia.
Technology leader ABB has deployed six ABB Gearless Mill Drives in Panama at the Cobre Panama copper mine, which is located 120 kilometers west of Panama City in the Donoso district, Colon …
For the expansion project, which aims to double the mine's concentrator milling capacity from 60,000 to 120,000 tons per day, ABB is supplying two 25-foot gearless mill drive systems (GMD) of 15MW and two complete high pressure grinding rolls (HPGR) drive systems of 2 x 2,650 kW.
ABB Held Global Gearless Mill Drive User Meeting. ABB, the leading power and automation technology group, announced that it held the second global gearless mill drive (GMD) user meeting. The conference, a conjoint organisation between ABB Switzerland and ABB Peru, took place in Lima, Peru, 23-24 October 2008 at the Hotel Marriott. This …
includes an oversized SAG mill and gyratory crusher. For this expansion project, Kinross selected ABB to provide a 26 MW gearless mill drive system (GMD) for the mine's 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement (LTSA). GMDs improve process throughput
Maximum availability and productivity. Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations. ABB's GMD is the …
First motor turn was end of Dec 2004 Production start in Jan 2005 4th St. Ives Goldfields –GMD SAG Mill project St. Ives GMD history GMD Retrofit (E-House replacement) …
Gearless mill drives. Longer service intervals thanks to low-wear drive processes 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
mill from and a 28 Mega-Watt (MW) Gearless Mill Drive (GMD) from ABB for the Conga Project in Peru. The test and study work showed that a single line 42 ft SAG mill circuit gave the most favorable project economics in comparison to an equivalently powered single line 40 ft SAG mill circuit. This paper
Apply for Electrical Project Engineer for high power Gearless Mill Drive Systems (80-) job with ABB in Baden-Dattwil, Aargau,
10+ years of work experience across different roles in multinationals that lead industrial automation, electrification and energy management. Global experience in product management, product lifecycle assessment, service project management, service execution, troubleshooting, GMD's, LV & MV drives. Electronic engineer with hard and …
ABB's Marcelo Perrucci explains how Gearless mill drives, digitalization, AI and analytics are transforming grinding operations at mines worldwide. White paper
