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Abb Gearless Mill Drives Motors Drives Systems And

  • Gearless mill drives

    Gearless Mill Drives

    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 ABBs experience in optimizing gearless solutions for grinding applications extends over 50

  • Gearless mill drive reliability ABB Ability

    Gearless Mill Drive Reliability Abb Ability

    The gearless mill drive 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.

  • Go gearless with ABBs mill and conveyor drives for more

    Go Gearless With Abbs Mill And Conveyor Drives For More

    May 25, 2021 ABBs 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 futureproof solution for our industrial customers. We delivered the worlds first gearless mill drive to Lafarge Cement in ...

  • ABBs new Gearless Mill Drive generation Maintenance

    Abbs 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.

  • TECHNICAL AND COMMERCIAL BENEFITS OF

    Technical And Commercial Benefits Of

    J. Gonser, ABB, Switzerland Abstract 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. Due

  • Revolutionary Drive Controller for Gearless Mills

    Revolutionary Drive Controller For Gearless Mills

    Ringmotor of the Gearless Mill Drive GMD System. CYCLOCONVERTER Principle The Cycloconverter is a frequency changer which converts a poly-phase voltage with the frequency f1 into a single or poly-phase voltage with a different, lower frequency f2. On Gearless Mill Drives GMD, the operational output frequency varies from 0.3 Hz up to about 6 Hz.

  • ABB gearless mill drive system to power SAG mill

    Abb Gearless Mill Drive System To Power Sag Mill

    Sep 01, 2010 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 ...

  • High voltage motors for mills More for mining ABB

    High Voltage Motors For Mills More For Mining Abb

    is currently the gearless mill drive GMD. In GMD systems the motors poles are directly installed on a pole flange on the mill shell, and the body of the mill itself becomes the rotor. Ring-geared mill drive For mills with standard diameters or requiring less than 20 MW approx. of power, ring-geared mill drives RMDs offer the best solution.

  • ABB buys ring motor business to boost its gearless mill drives

    Abb Buys Ring Motor Business To Boost Its Gearless Mill Drives

    Jul 30, 2013 ABB is buying Alstoms ring motor business to enhance its gearless mill drive GMD activities. The business, based in Bilbao, Spain, has about 120 employees and achieved a turnover of 57m in 201213. It will become part of ABBs Process Automation division. The financial details of the deal have not been revealed.

  • ball mills gearless

    Ball Mills Gearless

    May 14, 2021 Gearless mill drives are becoming the drive system of choice on large AG SAG and ball mill installations for new projects and existing mill expansions. At least 31 GMDs have been ordered from Siemens and ABB for example over the past year or so for mills ranging up to 40 ft in diameter and with drive power ratings up to 28 MW.

  • Remote Diagnostic Services for Gearless Mill Drives ABB

    Remote Diagnostic Services For Gearless Mill Drives Abb

    Gearless mill drives As was mentioned above, a gearless mill drive constitutes both an important part, but also one of the most critical elements of a concentrator or a cement plant. Their purpose is to ensure the continuous rotation of specific types of tumbling mills,

  • Gearless Drives Siemens

    Gearless Drives Siemens

    plied gearless drives for two 36-foot ring motors, de-veloping a 12,000 kW gearless drive for the Kennecott, Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens kept pace. In 1996, Freeport ordered the first gearless

  • Gearless Drives for Ore Conveying and Grinding Cmms

    Gearless Drives For Ore Conveying And Grinding Cmms

    Siemens, the company that introduced Gearless Mill Drives GMD to mining industry started up its first GMD on a ball mill in Norway in 1980. The mill and its drive system are still in service. Today, GMDs are mainly used for SAG mills between 36 and 40 feet 10.7 to

  • ABB successfully commissions six gearless mill drives at

    Abb Successfully Commissions Six Gearless Mill Drives At

    Oct 28, 2019 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.

  • ABB commissions gearless mill drive system in Peru

    Abb Commissions Gearless Mill Drive System In Peru

    Baden, Switzerland, June 9, 2008 ABB successfully completed commissioning of a 16.5 MW gearless mill drive GMD system for a 32 feet SAG semiautogenous mill at Minera Yanacocha. The mine, located in Cajamarca, Peru, is the largest gold producer in Latin America.

  • ABB Conversations gt Gearless conveyor drives proven for

    Abb Conversations Gt Gearless Conveyor Drives Proven For

    Nov 11, 2020 Gearless conveyor drives from ABB are used to operate a belt conveyor system with a design capacity of 11,000 tonnes per hour. Eleven 5MW GCDs are used to drive three conveyors at Chuquicamata two with four motors each and one with three motors. Two 20MW conveyors are used to transport the ore to the surface, overcoming a significant elevation ...

  • GRINDING ABB commissions six gearless mill drives at

    Grinding Abb Commissions Six Gearless Mill Drives At

    Oct 29, 2019 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 mines 12-metre SAG mills and four 16.5 MW GMDS ...

  • CONVEYOR ABB introduces gearless drive for wide range

    Conveyor Abb Introduces Gearless Drive For Wide Range

    Feb 06, 2018 SWITZERLAND ABB says that its innovative gearless conveyor drive is available for use on a wider range of conveyor systems. Already proven on larger motors, the newest drive is designed for medium power range motors 1 to 3 MW per motor to make this technology economically feasible for a broader range of conveyor systems, including the use on mobile equipment in mining

  • Insurability of Large Gearless Mill Drives GMDs

    Insurability Of Large Gearless Mill Drives Gmds

    Sep 28, 2014 Introduction. We have written on risk associated with large ring motors in gearless mill drives previously 1, 2, 3. In 1, we observed that ABB and Polysius were far too confident in 2001 when they claimed that 42 and 44 ft diameter mills and ring motors posed only manageable risks and that a 44 ft mill and GMD design was ready and waiting for a purchaser 4.

  • Drives questions amp answers Control Systems Application

    Drives Questions Amp Answers Control Systems Application

    Drives questions amp answers - Control Systems Application and Knowledge Store. 1. answer. 0. votes. 15. views. ACS880 2340 Drive fault. Commented 6 hours ago by vinodsohal Rank 6287.

  • GMDs the driving force behind sustainable mill operations

    Gmds The Driving Force Behind Sustainable Mill Operations

    May 14, 2021 The drive system on ABB GMDs - including the gearless motor - does not require any lubrication, thus reducing maintenance costs. The GMD is designed to run the mill with variable speed, in both directions of rotation, meaning the grinding process can be

  • ABB Supplies Worlds Largest Underground Copper Mine with

    Abb Supplies Worlds Largest Underground Copper Mine With

    Apr 04, 2013 ABBs final scope of supply for the project includes electrical equipment and new gearless drive technology with twelve 2500kW56 rpm motors for the four conveyor flights of the complete conveyor system, one of which is a downhill tunnel conveyor of almost 9,000m length.

  • ABB to supply gearless mill drive to mine in Chile

    Abb To Supply Gearless Mill Drive To Mine In Chile

    Feb 28, 2011 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.

  • ABB to supply mill drive systems for Conga project in Peru

    Abb To Supply Mill Drive Systems For Conga Project In Peru

    Aug 18, 2011 August 18, 2011 - ABB won an order from Newmont Mining Corporation to deliver three gearless mill drive GMD systems for installation at Yanacocha s Conga coppergold project in Peru. It is a follow-up order from the contract for the GMD system engineering that ABB received in

  • HMW Variable Speed Drive VSD Workshop

    Hmw Variable Speed Drive Vsd Workshop

    ABB in Motors and Generators Overview Technology Platform HMW Variable Speed Drive VSD Workshop, Washington DC, 2014-04-1617, Robert Chin ... 18.6 MW Gearless Mill Drives GMD 4252014 Slide 5 ... Integrated approach motor and drive intergation

  • ABB introduces gearless conveyor drive for wider range of

    Abb Introduces Gearless Conveyor Drive For Wider Range Of

    On 06.02.2018, ABB announced that its innovative gearless conveyor drive is available for use on a wider range of conveyor systems. Already proven on larger motors, the newest drive is designed for medium power range motors 1 to 3 MW per motor to make this technology economically feasible for a broader range of conveyor systems, including the use on mobile equipment in mining operations.

  • New gearless conveyor drives Engineer Live

    New Gearless Conveyor Drives Engineer Live

    Feb 08, 2018 ABB has announced that its innovative gearless conveyor drive is available for use on a wider range of conveyor systems. Already proven on larger motors, the newest drive is designed for medium power range motors 1 to 3 MW per motor to make this technology economically feasible for a broader range of conveyor systems, including the use on mobile equipment in mining operations.

  • Gearless Mill Drive Sales Rev Up to Meet Demand

    Gearless Mill Drive Sales Rev Up To Meet Demand

    Gearless mill drives are becoming the drive system of choice on large AG, SAG and ball mill installations for new projects and existing mill expansions. At least 31 GMDs have been ordered from Siemens and ABB, for example, over the past year or so for mills ranging up to 40 ft in diameter and with drive power ratings up to 28 MW.

  • Updates on geared vs gearless drive solutions for grinding

    Updates On Geared Vs Gearless Drive Solutions For Grinding

    Speed variation required is in the range of - 15 of synchronous motor speeds. VVVF drive packages from ABB and Siemens are also available for 2 x 10MW in low and high speed options. Dual hydraulic inching drives provide a much safer and convenient operation with the added advantage of locked charge detection.

  • ABB successfully commissions six gearless mill drives at

    Abb Successfully Commissions Six Gearless Mill Drives At

    Oct 28, 2019 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 province. The Panamanian company that holds the Cobre Panama concession is Mineria Panama S.A. MPSA. Following a period of ownership transition, First Quantum Minerals Ltd ...

  • Gearless Mill Drives Beneficiation Siemens Global

    Gearless Mill Drives Beneficiation Siemens Global

    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 variable speed can adjust their energy consumption to the optimized flow of pulp, resulting in energy savings of up to 30. The ...

  • Gearless conveyor drives proven for largescale materials

    Gearless Conveyor Drives Proven For Largescale Materials

    Oct 22, 2020 Gearless conveyor drives from ABB are used to operate a belt conveyor system with a design capacity of 11,000 tonnes per hour. Eleven 5MW GCDs are used to drive

  • ABB mill drives accelerate copper ore extraction at Mina

    Abb Mill Drives Accelerate Copper Ore Extraction At Mina

    ABB also installed an extended automation system and a remote service Centre at Mina de Cobre. Two 28 MW gearless mill drive systems are operating at First Quantums 40-foot SAG mills and four 16.5 MW GMDS are employed in 26 football mills along with associated control systems.

  • ABB controls world196244s newest copper mine

    Abb Controls World196244s Newest Copper Mine

    Jan 24, 2012 January 24, 2012 - ABB supplied power and automation solutions for Antofagastas new flagship Esperanza copper mine in Chile. The solutions include three of the worlds largest gearless mill drives, process and electrical control systems, power quality systems, a substation and a System 800xA integrated operations center that controls the entire production process, including onshore ...

  • Gearless mill drives ABB

    Gearless Mill Drives Abb

    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