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Gearless conveyor drives - Crushing and conveying | ABB

Extracting Potential with Gearless Mill Drives and Gearless Conveyor Drives - Global Mining Review - May/June 2020 (English - pdf - Article) Conveyors: durable and continuous (English - pdf - Article) The benefits of modern drives (English - pdf - Article) Gearless drives for medium-power belt conveyors (English - pdf - Article)

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ABB's new Gearless Mill Drive generation: Maintenance …

The gearless mill drive (GMD) has been continuously developed since its introduction in 1969. The structural design, the electrical parts and of course motor monitoring and control have all experienced major developments that have enabled larger, more efficient operations and higher productivity.

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Three ABB gearless mill drives up and running at Mina

First awarded in 2011, the scope of supply of the order included three GMDs, one 36-feet 12 megawatt (MW) system for the semi-autogenous (SAG) mill and two 22-feet 8.9 MW systems for both ball mills.

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How digitalized gearless drive technology results in energy …

Technologies for extraction and processing, including gearless mill drives (GMDs) and gearless conveyor drives (GCDs), help operators save energy and achieve greater throughput at large mills with higher grinding capacities. When big data is also applied, this lowers costs using preventive and predictive maintenance.

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ABB Library - Gearless Mill Drives

Paper held at SAG Conference 2011 - By S. Gaulocher (ABB), K.S. Stadler (ABB), Th. von Hoff (ABB), R. Veldsman (ABB), A. Fuerst (ABB) and J. Koponen (ABB): Gearless mill drives (GMDs) are the workhorse in the mineral processing industries, more specifically when it comes to grinding crushed ore and cement (in various production stages) in semiautogenous (SAG) …

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ABB successfully commissions six gearless mill drives at …

The six ABB Gearless Mill Drives, which are the most powerful mill drive systems on the market for semi-autogenous (SAG), ball and autogenous mills, have been installed since late last year and are all now in continuous operation. Two 28 MW gearless mill drive systems (GMDs) are operating in the company's 40 foot SAG mills and four 16.5 MW GMDS ...

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gearless mill drives Archives - International Mining

The $1.2 billion expansion, which saw throughput rise from 60,000 t/d to 120,000 t/d, involved the addition of two new thyssenkrupp-made ball mills, with ABB providing the gearless mill drives (GMD) technology. This came on top of the 33 mills the miner already had up and running as part of the existing 60,000 t/d plant at the operation.

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ABB to supply gearless mill drive to mine in Chile

ABB will supply three gearless mill drive (GMD) systems, gas-insulated switchgears (GIS), E-house and power transformers for the Ministro Hales (MH) project in Calama, Chile.

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ABB successfully commissions six gearless mill drives at …

The six ABB Gearless Mill Drives, which are the most powerful mill drive systems on the market for semi-autogenous (SAG), ball and autogenous mills, have been installed since late last year and are all now in continuous operation. Two 28 MW gearless mill drive systems (GMDs) are operating in the mine's 40 foot SAG mills and four 16.5 MW GMDS ...

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Making remote mines and low ore grades economical and …

Unlike more traditional ring-geared mill drives – where a ring-shaped gear encircles the mill and drives it through one or two pinions followed by conventional motors – GMDs work by mounting rotor poles directly to the mill body and surrounding it with the stator ring, meaning the mill itself is incorporated into the motor.

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GRINDING: ABB commissions six gearless mill …

The six ABB gearless mill drives, which are the most powerful mill drive systems on the market for semi-autogenous (SAG), ball and autogenous mills, have been installed since late last year and are all now in continuous …

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Gearless Mill Drives | Beneficiation | Siemens …

The SIMINE Gearless mill drives pump system significantly enhances concentrator productivity by eliminating the reducer gear between motor and pump and all corresponding maintenance. In addition, the cyclone pumps with …

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ABB Conversations > Go gearless with ABB's …

ABB's state-of-the-art gearless mill drives (GMD) and gearless conveyor drives (GCD) have already become differentiators when combined with advanced digital services. These two technologies have become an ideal and …

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Global users of ABB Gearless Mill Drives meet and share …

ABB Switzerland's third global Gearless Mill Drive (GMD) User Meeting in Lugano, Switzerland, has just finished. The conference hosted over 120 participants, from October 21 to 24. This was the fifth ABB GMD User Meeting, after two global events were held in Switzerland (2007) and Peru (2008), and after two regional events in Santiago de ...

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ABB Gearless Mill Drives are Operational in Chile | E & MJ

ABB Gearless Mill Drives are Operational in Chile. Officials at power and automation technology group ABB have announced the successful commission of three gearless mill drive systems at Codelco's Mina Ministro Hales (MMH) in Chile; the state-run Codelco is the No. 1 copper miner in the world's most copper-prolific nation; ABB also provided ...

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ABB to supply gearless mill drives to Cerro Verde

April 1, 2012 - ABB will supply gearless mill drives (GMDs) for six ball mills and twin-drive systems for eight high pressure grinding rolls (HPGRs) at Cerro Verde copper mine in Peru. The two contracts were awarded in the first quarter of 2012. Deliveries are scheduled for …

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ABB gearless mill drive & digital services help …

The company selected ABB's 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). This is …

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ABB holds Gearless Mill Drives User Meeting in Sydney

ABB Switzerland, in collaboration with ABB Australia, organized a Gearless Mill Drive User Meeting in Sydney, Australia, on 16th and 17th November 2006. Baden, 22nd December 2006 - ABB, the leading power and automation technology group, announces that it has held a Gearless Mill Drive (GMD) user meeting for its customers in the Oceanian region. …

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ABB to deliver three large gearless mill drive systems for

ABB, the leading power and automation technology group, has won an order from Newmont Mining Corporation to deliver three gearless mill drive (GMD) systems for installation at Yanacocha_s Conga ...

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Gearless mill drives - Grinding | ABB

Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations. ABB's GMD is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous …

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ABB gearless mill drive system to power SAG mill

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.

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ABB commissions six gearless mill drives at Cobre Panama

Technology leader ABB has deployed six ABB gearless mill drives at the Cobre Panama copper mine, which is located 120 km west of Panama City. The operator is Mineria Panama S.A. Following a period ...

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Ring-geared mill drives - Grinding | ABB

ABB continuously extends technical and performance frontiers of ring-geared mill drive (RMD) technology to fit your site requirements. We provide optimized mill drive solutions for all types of ring-geared mills: low and high speed, single …

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ABB successfully commissions six gearless mill …

The six ABB Gearless Mill Drives, which are the most powerful mill drive systems on the market for semi-autogenous (SAG), ball and autogenous mills, have been installed since late last year and are all now in continuous …

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Gearless mill drives - ABB

2 GEARLESS MILL DES The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill drive system. By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor. Building a track record ABB's experience in optimizing gearless ...

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INSURABILITY OF LARGE GEARLESS MILL DRIVES

INSURABILITY OF LARGE GEARLESS MILL DRIVES L. Bos1, *M. van de Vijfeijken2 and J. Koponen2 1Zurich Services Corporation Schaumburg, USA, IL 60196 2ABB Switzerland Ltd Segelhofstrasse 9 P Baden-Daettwil, Switzerland, CH-5401 (*Corresponding author: [email protected])

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ABB held global Gearless Mill Drive (GMD) user meeting in …

ABB Switzerland organized the fourth global GMD last month with the conference hosting over 150 participants. This conference was the sixth ABB GMD User Meeting, after three global events were held in Switzerland (2007 and 2009) and Peru (2008), and after two regional events in Santiago de Chile and Sydney, Australia, both held in 2006.

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