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  • Gearless mill drives ABB

    Gearless mill drives ABB

    The GMD system The poles of the gearless or synchronous motor also called wrap-around motor or ring motor are directly installed on the pole flange of the mill shell, turning the mill body into the rotor. The stator is then wrapped around the mill. The gearless motor is fed by a cycloconverter which has a rated output frequency of

  • Gearless Drives Siemens

    Gearless Drives Siemens

    This gearless drive pro-vides an astonishing 20,400 kW of power. In 1998, Siemens supplied the first gearless drive for a 40-foot SAG mill at the Cadia Hill Mine in Australia. While the details vary, there is a theme that links these projects careful development and analysis, timely results and ultimately the delivery of reliable, efficient gearless drives. Since 1998, Siemens has been providing gearless drive systems

  • SIMINE Gearless mill drives Siemens

    SIMINE Gearless mill drives Siemens

    as the absorption of solar radiation. The SIMINE Gearless mill drives sealing system has a proven design incorporat-ing extremely low maintenance with ingress protection that is rated at IP 55, and complemented by a purpose-built rain shield. The outdoor version of SIMINE Gearless mill drives means that a concentrator building is not needed, a

  • Gearless Mill Drives Beneficiation Siemens Global

    Gearless Mill Drives Beneficiation Siemens Global

    A standard of reliability and efficiency for grinding. From Norway to Zambia, from Mongolia to Chile for over 30 years, mining operators all over the world have been counting on SIMINE Gearless mill drives. Their most important features include a small footprint and less weight than conventional drives. Today, functions like Frozen Charge Protection and the optional Frozen Charge Shaker further reduce

  • SIMINE Gearless Mill Drives

    SIMINE Gearless Mill Drives

    The sealing system of the SIMINE Gearless Mill Drives is a proven design incorporating extremely low mainte-nance with ingress protection that is rated at IP 55, and complemented by a purpose-built rain shield. The outdoor version of the SIMINE Gearless Mill Drives allows omitting the concentrator building, a considerable saving of invest-

  • Gearless mill drive GMD and digital services for Kinross

    Gearless mill drive GMD and digital services for Kinross

    ABBs gearless mill drive offering is part of the innovative ABB Ability MineOptimize portfolio. MineOptimize is a framework that encompasses optimised solutions, developed engineering, digital applications and collaborative services to help mining companies achieve the most efficient design, build and operation of any mining and mineral processing facility.

  • Gearless Mill Drive systems GMDs Services

    Gearless Mill Drive systems GMDs Services

    Gearless Mill Drive systems GMDs Services. Displaying 1-22 of 22 results. Supplier Name Project Name Country Project Owner ABB Toquepala Copper-Molybdenum Mine Peru Southern Peru Copper Corporation Sucursal Del Peru Siemens Toromocho copper, molybdenum and silver mine Peru Minera Chinalco Per S.A.

  • ABB successfully commissions largest gearless mill drive

    ABB successfully commissions largest gearless mill drive

    Jun 30, 2014 ABBs delivery included one gearless mill drive system GMD for a 40-feet semi-autogenous mill and two low-speed dual pinion ring-geared

  • Gearless mill drive system in iron ore 173processing

    Gearless mill drive system in iron ore 173processing

    Jul 08, 2014 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 Minera o e Met licos, an EBX Group company, is located in the iron quadrangle of Minas Gerais, next to Belo Horizonte the heart of the Brazilian mining state.

  • Preprint 13050

    Preprint 13050

    The gearless drive came into the minerals industry in 1980 and as per their reference lists, Siemens have approximately 60 installations and ABB have approximately 85. The reasons why these gearless drives on mills came about in the late

  • Periodic Maintenance Reports PMRs for Gearless Mill

    Periodic Maintenance Reports PMRs for Gearless Mill

    Periodic Maintenance Reports for Gearless Mill Drives DriveMonitor DM ABB DriveMonitor is a diagnostic intelligent system Industrial PC with HW firewall and optical link Framework for data acquisition and processing Features Data acquisition from different signal sources Data storage and consolidation in dedicated database

  • sag mill drive arrangement canada

    sag mill drive arrangement canada

    Gearless mill drivesGrinding ABB. ABB s Gearless mill drive system is the most powerful mill drive system in the market to power semiautogenous SAG ball and autogenous AG mills Our GMD eliminates all mechanical components of a conventional mill drive . Get Price Ten Tips for Proper Motor Selection Electrical

  • SIMINE Gearless mill drives Siemens

    SIMINE Gearless mill drives Siemens

    a given issue for a gearless drive system. A harmonic study determines on a case-by-case basis whether the plant configuration and network in question need harmonic filtering. As the drive concept is a 12-pulse system, only the 11th and the 12th harmonics and their related sidebands have to be looked at. Harmonics with higher harmonic

  • Gearless conveyor drives Crushing and conveying ABB

    Gearless conveyor drives Crushing and conveying ABB

    Drive systems for crushers Increasing efficiency and extending the crusher life cycle. Stockyard and mine machines upgrades and retrofits . From extraction, transport, and shipping, with an integrated control concept from a single source ... Extracting Potential with Gearless Mill Drives and Gearless Conveyor Drives - Global Mining Review - May ...

  • TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL

    TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL

    Gearless mill drives are a well established solution for grinding applications in the minerals and mining industries. The paper describes the functionality and technical features of such drive systems as well as their advantages compared to other drive solutions.

  • Cobre Panama starts up gearless mill drive systems

    Cobre Panama starts up gearless mill drive systems

    Oct 29, 2019 In all, two 28-megawatt gearless mill drive systems GMDs are in use at the mines 40ft SAG mills, and four 16.5MW GMDs are employed in 26 football mills. Gearless mill drives are the workhorses for grinding operations, which are at the heart of any mine, ABBs Cobre Panama project manager Rene Chacon said.

  • ABB gearless mill drive system to power SAG mill

    ABB gearless mill drive system to power SAG mill

    ABB gearless mill drive systems feature numerous benefits when compared with conventional geared drive systems superior reliability, increased process availability, extended life span and improved energy efficiency. ABB delivered the world s first gearless machine drive in 1969, which is still operating at the Ciment Lamberg-Lafarge cement ...

  • ABB successfully commissions largest gearless mill drive

    ABB successfully commissions largest gearless mill drive

    Jun 30, 2014 ABBs delivery included one gearless mill drive system GMD for a 40-feet semi-autogenous mill and two low-speed dual pinion ring-geared mill drive systems

  • Preprint 13050

    Preprint 13050

    Presently the gearless drive is more costly than the complete mechanical portion mill rotating element and accessories supplied by the mill manufacturers and hence the customerconsultant needs to have two parties to deal with from the start of any project. There is an interface between the mill vendor and the gearless motor supplier.

  • sag mill drive arrangement canada

    sag mill drive arrangement canada

    Ball Mill Operational Parameters In Canada- TENIC Mining Our GMD eliminates all mechanical components of a conventional mill drive system such as ring-gear pinion gearbox coupling motor shaft and motor bearings By mounting the rotor poles directly onto the mill the mill itself becomes the rotor of the gearless motor.

  • kennedy gearless crusher 37 5

    kennedy gearless crusher 37 5

    gearless mill drive optical systems ellul. Gearless Drive Mill And Crusher mixmasala. 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 motor bearings By mounting the rotor poles directly onto the mill, the mill itself becomes. Get Price

  • Commissioning Variable Speed SAG Mill Gearless Drive

    Commissioning Variable Speed SAG Mill Gearless Drive

    Table of ContentsGeneral Description of the DriveAssembling and ConstructionComponent CharacteristicsDrive Evaluation The electric operation and design features of the 11,000 H.P. variable speed SAG mill gearless drive is presented. The function of the frequency-converter, control system drive and lubrication systems are described. An analysis of the harmonic characteristic in the Supply ...

  • Gearless Mill Drive systems for copper mine in Zambia

    Gearless Mill Drive systems for copper mine in Zambia

    FQM has opted for Siemens Gearless Mill Drives to be used in the two SAG mills having a diameter of 40 feet and an output of 28 MW and the two ball mills with a diameter of 28 feet and an output of 22 MW. With these mill drive systems there is no wear in the drive train since all forces are transferred touch-free via a magnetic field.

  • ABB to supply three gearless mill drive systems for

    ABB to supply three gearless mill drive systems for

    Apr 29, 2008 Rosemont Copper has awarded a multi million dollar contract to ABB for gearless mill drive systems needed for the construction of the Rosemont

  • Gearless Mill Drive systems GMDs Servicios en Peru

    Gearless Mill Drive systems GMDs Servicios en Peru

    Gearless Mill Drive systems GMDs 43 L neas de financiamiento a mediano plazo 5 Crushing Plant 19 Concentrador de Cobre 6 Servicios de mantenimiento de equipo 1 Power Transmission Line 19 Osmosis inversa de agua de mar SWRO 2 Construcciones civiles, estructurales y mec nicas 39 Pulley Assemblies 10 Estudios de Impacto Ambiental ...

  • Diagram And Working Principle Of Roller Mill

    Diagram And Working Principle Of Roller Mill

    Diagram And Working Principle Of Roller Mill . GM stone crusher machine is designed to achieve maximum productivity and high reduction ratio. From large primary jaw crusher and impact crusher to cone crusher and VSI series for secondary or tertiary stone crushing, GM can supply the right crusher as well as complete crushing plant to meet your material reduction requirements.

  • Ball Mill Drives For Shougang Hierro Peru S A A

    Ball Mill Drives For Shougang Hierro Peru S A A

    Gearless mill drives Grinding ABB. Abbs 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, servicefriendly and fit for purpose design to provide highest throughput, reliability and availability for your processing plant