Gearless Mill Drive System

  1. Home
  2. Gearless Mill Drive System
  • Training Simulator for Gearless Mill Drives

    Training Simulator For Gearless Mill Drives

    critical. Skilled and experienced personnel for the Gearless Mill Drive can be a great benefit to your operation. For any intervention on the GMD during operations or mainte-nance, its necessary to have a broad system knowledge base. In the event of a system failure, decisions must be made quickly and under stress. On the other hand, the

  • Siemens Delivers First Gearless Mill Drive System to

    Siemens Delivers First Gearless Mill Drive System To

    Sep 13, 2006 Simine Mill GD provides a gearless drive with no mechanical parts between the motor and the mill. Stepless adjustment of the rotational speed aids optimum start-up and means that the system can be controlled in accordance with the varying demands of the material in the mill. This reduces wear, maintenance and energy consumption.

  • Increasing availability through advanced Gearless Drive

    Increasing Availability Through Advanced Gearless Drive

    The Gearless Mill Drive system consists of the ring motor with its feeding cycloconverter, pre-installed in an E-house. It also includes the excitation rectifier, the automation sys-tem (for mill and motor) including HMI, monitoring and diagnostic system,

  • 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 (RMDs) for two 26-feet ball mills ...

  • Gearless Drives for Ore Conveying and Grinding Cmms

    Gearless Drives For Ore Conveying And Grinding Cmms

    Fig. 4. Air gap monitoring system in a gearless drive. Gearless Drives for grinding mills. Gearless Drives are well proven stateof- the-art technology for large grinding mills. 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.

  • Gearless Drive Mills And Crushers And Mw

    Gearless Drive Mills And Crushers And Mw

    Gearless mill drive system (GMD) Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations. 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 ...

  • GMD technology for Minera Escondida Mineral Processing

    Gmd Technology For Minera Escondida Mineral Processing

    Jul 08, 2014 GMD technology for Minera Escondida. ABB gearless mill drive, installed 2002 at the Minera Escondida in Chile. ABB announced that it will supply a new 15.7 MW gearless mill drive (GMD) system for a 26 ft ball mill, including transformers, ring motor and a complete electrical room entirely equipped, to Minera Escondida/Chile.

  • Mineral Processing

    Mineral Processing

    Jul 08, 2010 ABB announces that it has successfully completed the commissioning of a 13.4 MW gearless mill drive (GMD) system for the Hipogeno project. The GMD powers a 36 SAG (semiautogenous) mill at Carmen de Andacollo copper mine in central Chile. Carmen de Andacollo is an open-pit truck-and-shovel operation at an elevation of 1000 m. 90 % of the ...

  • Integrated drive technology from Siemens enhances

    Integrated Drive Technology From Siemens Enhances

    Jul 08, 2009 The Siemens Drive Technologies Division is delivering an Integrated Drive System for two new mills for the Toromocho mine in the Peruvian province of Yauli. The order comes from Minera Chinalco Per S.A., a subsidiary of Aluminum Corporation of China (CHINALCO). In future, two gearless mill drives and Sinamics cycloconverters will be used in the ...

  • Increasing Availability through Advanced Gearless Drive

    Increasing Availability Through Advanced Gearless Drive

    The Gearless Mill Drive system consists of the ring motor with its feeding cyclconverter, pre-installed in an E-house. It also includes the excitation rectifier, the automation system (for mill and motor) including HMI, monitoring and diagnostic system, MCCs (for mill and drive auxiliaries), differential

  • Order in Chile Mineral Processing

    Order In Chile Mineral Processing

    Jul 08, 2014 ABB announces that it has successfully completed the commissioning of a 13.4 MW gearless mill drive (GMD) system for the Hipogeno project. The GMD powers a 36 SAG (semiautogenous) mill at Carmen de Andacollo copper mine in central Chile. Carmen de Andacollo is an open-pit truck-and-shovel operation at an elevation of 1000 m. 90 % of the ...

  • Gearless mill drive order Cement Lime Gypsum

    Gearless Mill Drive Order Cement Lime Gypsum

    Gearless mill drive order. ABB has received an order for the first gearless mill drive (GMD) system ever to be installed in an Indian manufacturing plant. The order was placed at the end of October 2009, by the Indian cement manufacturer Lalitha Cement Ltd. (LCL), located in Hyderabad, the capital of the Indian state of Andhra Pradesh.

  • When it Comes to Mining Bigger is Best PTE

    When It Comes To Mining Bigger Is Best Pte

    Gearless mill drive. The limitation of an RMD system was overcome by ABB when it introduced the first gearless mill drive (GMD) in 1969 for the cement industry. ABB introduced the first GMD into the minerals industry in 1985 and since then it has become the de facto standard equipment for mines with larger throughput requirements.

  • Gearless Mill Drives ABB

    Gearless Mill Drives Abb

    One complete Gearless Mill Drive System including Wrap-around Motor Cycloconverter Excitation Transformers, E-House Container incl. Cycloconverters, MCCs, PLC, VMS Excitation Converter, Fire Fighting, UPS One complete Ball Mill Drive System incl. Wound Induction Motor 6,72 MW, 996 rpm, 6 pole, 50 Hz. Liquid Starter Efficient Compatible

  • ABB Library Gearless Mill Drives

    Abb Library Gearless Mill Drives

    A cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating conditions, malfunctions or failures. For demanding applications in the mining industry, protections systems need to be reviewed considering special or abnormal operating ...

  • Gearless mill drive system in iron ore processing

    Gearless Mill Drive System In Iron Ore Processing

    Jul 08, 2014 Gearless mill drive system in iron ore processing. 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 Minerao e Metlicos, an EBX Group company, is located in the iron quadrangle of ...

  • 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 Protection Improvements and Its

    Gearless Mill Drive Protection Improvements And Its

    AbstractA cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating conditions, malfunctions or failures. For demanding applications in the mining industry, protections systems need to be reviewed

  • 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.

  • The Siemens 42ft gearless mill drive still an

    The Siemens 42ft Gearless Mill Drive Still An

    next size Gearless Mill Drive, i.e. a 42ft mill. It is a dual design approach considering, on the one hand, the experi-ences Siemens made with Gearless Mill Drive (GMD) instal-lations over the past 40 years and, on the other hand, using computerized design tools calculating the system behavior where experience does not yet exist.

  • ABB gearless mill drive system to power SAG mill

    Abb Gearless Mill Drive System To Power Sag Mill

    Sep 01, 2010 Newmont Mining Corporation selects ABB to design three gearless mill drive systems for their new high-altitude copper gold project in Peru. 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.

  • Ren Chacon ABB Switzerland details how gearless mill

    Ren Chacon Abb Switzerland Details How Gearless Mill

    gearless mill drive system (GMD) for the mines 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement (LTSA). GMDs improve process throughput and reliability while saving energy GMDs were selected for this project instead of ring-geared mill drives (RMD).

  • Go gearless with ABBs mill and conveyor drives for more

    Go Gearless With Abbs Mill And Conveyor Drives For More

    May 25, 2021 A gearless mill drive is a major investment for a plant and as the beating heart of the production process is essential. Thus, having knowledge of how to make most of your GMD is crucial. The following advanced digital service can enable optimized productivity at

  • gearless mill drives Archives International Mining

    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.

  • TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL

    Technical And Commercial Benefits Of Gearless Mill

    A cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating conditions, malfunctions or ...

  • ABB commissions first gearless mill drives project in

    Abb Commissions First Gearless Mill Drives Project In

    May 26, 2011 Commissioning and start-up of Canadas first gearless mill drive (GMD) system has been completed at Osisko Mining Corps Malarctic project and will increase production capacity at the mine.

  • Gearless mill drivemaintenance and installation EMF

    Gearless Mill Drivemaintenance And Installation Emf

    Gearless mill drive systems connect the motor directly to the mill, as the name suggests this eliminates the need for gears, gearboxes and couplings. The benefits are a touchless drive system which means less interface and higher equipment availability, Siemens boast above 95% availability when maintained and installed correctly.

  • Rohrdorfer Group modernizes mill drive with Sinamics

    Rohrdorfer Group Modernizes Mill Drive With Sinamics

    By modernizing its gearless mill drive with the new Sinamics SL150 converter, cement manufacturer Rohrdorfer Group has increased the availability of its plant without the need to interrupt on-going production. The worlds first ring motor from Siemens has been doing stalwart service for over 45 years at the cement works in Rohrdorf, Bavaria.

  • Mining industry Marketspecific Solutions Siemens Global

    Mining Industry Marketspecific Solutions Siemens Global

    Dec 17, 2021 The gearless drive system includes four low-speed synchronous motors (4.4 MW, 66 rpm) and the associated SINAMICS SL150 converters. The operators profit from high availability and less downtimes as well as from reduced operational and maintenance costs.

  • 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.

  • CiteSeerX Gearless Mill Drive Protection Improvements

    Citeseerx Gearless Mill Drive Protection Improvements

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda) AbstractA cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating conditions, malfunctions or failures. For demanding applications in the mining industry, protections

  • Ball Mill Operation And Maintenance Manual Pdf

    Ball Mill Operation And Maintenance Manual Pdf

    CHH624 Gearless Mill Drive Operation and Maintenance. CHH624 Gearless Mill Drive Operation and Maintenance Course goal The goal of this course is to provide participants with the required practical knowledge and in-formation on safe operation and maintenance of the gearless mill drive GMD system.

  • ABB acquires ring motor business from Alstom

    Abb Acquires Ring Motor Business From Alstom

    Jul 30, 2013 The GMD eliminates all mechanical components of a conventional mill drive system. By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor.

  • Gearless mill drives ABB

    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

  • Gearless Mill Drives Beneficiation Siemens Global

    Gearless Mill Drives Beneficiation Siemens Global

    Nov 07, 2021 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%.

tit01Your Demand

Need more information about our products and prices?Just contact us, we are waiting for you!