##tihuan2##ABB has developed a new digital tool designed to make troubleshooting and diagnostics in mineral processing faster and more efficient. ... ABB Gearless Mill Drives (GMDs) are vital to efficiently extracting critical minerals, such as copper, from increasingly low ore grades in global locations. The challenge for the industry is to meet the ...
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##tihuan2##Conveyor systems are responsible for almost 80% of the energy consumption in mines. Gearboxes are maintenance-intensive and their lifetime is relatively short.
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##tihuan2##GE's MV drive portfolio can help increase operating efficiency, power quality and availability, plant throughput, operational precision and process yield. Its products form …
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##tihuan2##LKAB has awarded ABB a contract to install two ABB Gearless Conveyor Drives (GCDs) on the existing conveyor belt system at its Malmberget mine near Gällivare, Norrbotten County, Lapland, the most northern province in Sweden. ... "The new ABB equipment will allow for an improved working environment in the mine – cleaner and safer. Conveyor ...
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##tihuan2##ABB's Marcelo Perrucci explains how Gearless mill drives, digitalization, AI and analytics are transforming grinding operations at mines worldwide.
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##tihuan2##ABB's scope of supply: Four complete Gearless Mill Drive Systems including: Wrap-around Motors Cycloconverters & Excitations Transformers, E-House Containers incl.: …
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##tihuan2##mutator. Conversely, with a PM gearless motor, the fixed field is rotating on the rotor, and therefore the stator field must rotate synchronously with the rotor to maintain the angle. To accomplish this, an absolute position encoder relays the position of the rotor magnets to the drive. This way the drive uses the position from the encoder to elec-
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##tihuan2##The mill is of the two-compartment type, is 16.5 m long and has a diameter of 4.6 metres. The drive was designed for a speed of 14.6 r.p.m. The reasons prompting the use of a gearless drive were the limited space available, and the difficulties experienced in that factory with large gear units.
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##tihuan2##Gearless drives also enable the use of a continuous conveyor belt, eliminating the need for transfer stations and so reducing susceptibility to faults, cutting out the need for high-intensity maintenance and driving down costs. ... Interested in the latest information on the processing of mineral raw materials? Then sign up for our free ...
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##tihuan2##On July 1, 2014, Dirk Hoke took over as CEO of the Large Drives Business Unit of the Siemens Drive Technologies Division. Large Drives develops, manufactures, and markets products, systems, solutions, and services for drive engineering in industrial and infrastructure applications as well as sectors such as marine engineering, mining, …
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##tihuan2##Starting in 2014, the couplings will be used in the drives of 16 belt conveyors supplied by the BEUMER Group. For each of the belt conveyors Voith has offered just the right fluid couplings. The supplied Voith hydrodynamic fluid couplings are applied to drives ranging in powers from 200 to 800 kW.
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##tihuan2##dium-power gearless conveyor drives (GCDs) reduce production costs and increase competitiveness. A PM motor, combined with gearless technology, also fulfills eco-design requirements, saves energy, reduces failure rates and lowers maintenance overheads. 01 Ulf Richter ABB Mining Cottbus, Germany [email protected] — MOTION …
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##tihuan2##Built by the Allis Mineral Systems Grinding Div. of Svedala Industries Inc., York, Pa., the three mills will process up to 60,000 metric tons of copper per day, according to Stuart M. Jones ...
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##tihuan2##Operation of High-Power Cycloconverter-Fed Gearless Drives Under Abnormal Conditions. ... critical activities in mineral processing. ... tection is the frozen char ge protection.
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##tihuan2##Gearless drives, like those which are state of the art for the mine hoists implemented in underground mining operations, allow the use of larger drive units and are increasingly …
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##tihuan2##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 …
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##tihuan2##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 Metálicos, an EBX Group company, is located in the iron quadrangle of Minas Gerais, next to Belo Horizonte – the heart of ...
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##tihuan2##Gearless drives, like those which are state of the art for the mine hoists implemented in underground mining operations, allow the use of larger drive units and are increasingly being utilized to drive belt conveyors. ... SBM Mineral Processing, part of the globally operating MFL Group and headquartered in Oberweis/Austria, is a specialist for ...
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##tihuan2##ABB has developed a new tool within its ABB Ability™ Predictive Maintenance for Grinding (PMG) platform, designed to make troubleshooting and diagnostics in mineral processing faster and more efficient than ever before. Traditionally, troubleshooting for grinding technology has required the onsite presence of an engineer …
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##tihuan2##Gearless mill drives Gearless mill drives (GMD) for semiautogenous (SAG), ball and autogenous (AG) mills eliminate the typical mechanical components of the drive train (shaft, gearbox, pinion and ring gear). In 1969, ABB delivered the first GMD ever, which is still in operation today. The upper limit of the power range today is about 35 MW.
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##tihuan2##Trendex provides high-resolution visibility of fault data, enhancing the maintenance of gearless mill drives. GlobalData ABB introduces cloud tool to enhance uptime in mineral processing
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##tihuan2##ABB Gearless Mill Drives (GMDs) are vital to efficiently extracting critical minerals, such as copper, from increasingly low ore grades in global locations. The challenge for the industry is to meet the growing demand for critical minerals fuelling the energy transition by ensuring all relevant infrastucture is available and in place.
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##tihuan2##Mineral Processing – Grinding Mills GE provides flexible and innovative mill solutions across all types of grinding, from single and dual pinion AG, SAG and ball to hPGr. This helps you to meet high-capacity demands with less equipment. we supply both low-speed pinion drive and high-speed geared mill solutions offering greater flexibility
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##tihuan2##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 expected to reduce operating costs, improve process throughput and reliability while saving energy and keep equipment in top form.
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##tihuan2##meet these challenges with our drive systems, which have a long track record in improving the performance and extending the technical frontiers of all three mineral grinding …
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##tihuan2##process all material, today dual pinion or gearless driven mills are necessary. Furthermore, the mill equipment needed to be adapted to exceed its technical and performance limits. Meanwhile, ... Ring-geared mill drives in mineral processing. Acceleration Evaluation and decision Action Degrees of mill rotation To r que (%) 180 140 100
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##tihuan2##ABB's innovation, the gearless conveyor drive (GCD) for medium power is based on permanent magnet motor (PMM) technology. Rated from 1 to 3 MW motor power, it removes the need for a gearbox, thereby lowering maintenance costs while improving overall reliability leading to greater uptime.
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##tihuan2##Ensured Results in Mineral Processing (Gearless Mill Drives)
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##tihuan2##The Siemens Drive Technologies Division has received an order from ThyssenKrupp Robins (Greenwood Village, Colorado, USA) to supply the gearless drive system for the overland conveyor system in the Las Bambas copper mine in Peru owned by Xstrata Copper.Las Bambas will be the second Xstrata Copper mine in Peru to use gearless …
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