Siemens has supplied the gearless drives for a 10.9 m, 15 MW SAG mill and a 7.9 m, 15.5 MW ball mill at Antofagasta's Los Pelambres operation …

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Our reliable diagnostic system helps implement a cost-effective predictive maintenance strategy based on early detection of electrical and mechanical failures of gearless mill drives. Potential damage risks regarding stator winding insulation, rotor-stator air gap and rotor winding overheating are continuously monitored and acquired during ...

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Gearless mill drives Go gearless ABB Group The gearless mill drive eliminates all mechanical components of a conven tional mill drive system such as ring gear . More Info. ABB solutions take copper mining to new heights.

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Grinding mill drives play an important role in the mining industry. Almost 60% of the electrical energy consumed by modern concentrator plants goes to grinding mill drives.

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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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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 most powerful mill drive system in the market to power …

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What is claimed is: 1. A gearless drive comprising: a substantially cylindrical rotor pole having an inner radial surface; a flange coupled with the rotor pole and having a first opening formed on a radially outer surface of the flange; a first rib at least partially disposed in the first opening and coupled with the flange and the inner radial surface of the rotor pole; and wherein …

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Table I shows some mill drives selected in recent projects. A clear trend has been observed toward the use of gearless drives. The last twin motor drive with girth gear was installed in 1999.

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Gearless mill drives (GMDs) have been installed on platinum-miner Anglo Platinum's Potgietersrust Platinum (PPRust) 600 000 t/m concentrator.

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Gearless mill drives Go gearless - ABB Group. The gearless mill drive eliminates all mechanical components of a conven-tional mill drive system, such as ring-gear, pinion, gearbox, coupling, Gearless conveyor drives - Crushing and . Do more with less - go gearless. Mine operators are challenged with moving more material on conveyors that may ...

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ABB was recently contracted to supply gearless mill drive (GMD) systems for two 38 foot semiautogenous grinding (SAG) mills at the Serra Azul iron ore mine in Brazil. The Serra Azul mine unit, owned by MMX Mineração e …

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Project engineering, service and commissioning for Drive Sytems focused on Gearless Mill Drives Non-geared mill motors for mining industry, grinding applications. Main activities carried out during engineering phase consist on Calculation, design review of technical specifications for transformers and 12, 18-pulse cycloconverters.

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gearless motor mounted directly onto the mill. In addition, a gearbox can be used to reduce the speed of a high speed motor. This gearbox is then placed between the high speed motor(s) and pinion(s) and the low speed shaft driving the ring gear. Thus, there is the decision between gearless drives and drives using a gear, and, if gear driven,

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Go Gearless Gearless Mill Drives. ID: 3BHT 490 275 ES0001 REV C, REV: C. Spanish. Brochure. Brochure. . PDF. file_download. 0,84 . PUBLIC. ... Some protection functions have tripped in the gearless mill drives operating at Minera Escondida and have been reviewed subsequently. This paper describes improvements in the protection ...

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ABB has re-packaged its proven and tested service offering for gearless mill drives (GMD) remote diagnostic services with the launch of a newly created product package of two modules, GMDbeat TM and GMDfit TM.The …

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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 …

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Do more with less - go gearless. Mine operators are challenged with moving more material on conveyors that may cover distances in the tens of kilometers and ascend steep gradients. To increase overall reliability, mining companies also want fewer transfer stations between conveyors, which may require wider and longer belts.

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gearless mill:[] …,gearless mill、、。"gearless" ; ; ; "gearless " "gearless bulker"

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gearless mill drives,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 most powerful mill drive system in the market to power semiautogenous (sag), ball and autogenous (ag) mills, this 'workhorse' for grinding operations combines a robust,.insurability …

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Gearless mill drives go gearless bsmr-doesburgnl.Gearless drive mills and crushers insurability of large gearless mill drives gearless drive mills and crushers geared vs gearless drive solutions for grinding mills crusher, this investment is a large copper production line, and finally.Gearless mill drive optical systems lovingbirthnl.get price ...

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Go gearless for highest availability, reliability, flexibility and efficiency. The ability to analyze past data and aggregate it with ongoing insights in real-time enables you to predict potential issues, provide solutions and allow 24/7 access to remote experts if anything unforeseen occurs. Process and operational benefits:

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Gearless Drives for grinding mills. Among the most outstanding GMD's in operation are the ones for the Antapaccay mine. The SAG mill has an inner diameter (ID) of 40 feet, an effective grinding length (EGL) of 25 feet and …

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Gearless mill drives Go gearless The gearless mill drive eliminates all mechanical components of a conven- tional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and, ABB Wins 44 Million Gearless Mill Drive Order in Kazakhstan Oil ....

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