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    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.

  • 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 ...

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    Six gearless mill drives commissioned at Panama's newest . Oct 28, 2019 Two 28 MW gearless mill drive systems (GMDs) are operating in the company's 40 ft SAG mills and four 16.5 MW GMDS are employed in 26 football mills along with associated control systems. "Gearless mill drives are the 'workhorses' for grinding operations which are at .

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    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 ...

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    Six gearless mill drives commissioned at Panama's newest . Oct 28, 2019 Two 28 MW gearless mill drive systems (GMDs) are operating in the company's 40 ft SAG mills and four 16.5 MW GMDS are employed in 26 football mills along with associated control systems. "Gearless mill drives are the 'workhorses' for grinding operations which are at .

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    ABB is a global leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. ABB operates in more than 100 countries and employs about 135,000 people, whereof 6,600 in Switzerland. The Minerals business unit is active in over 75 countries worldwide as supplier for large industrial plants in the area of ...

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    Nov 08, 2016  ABB Motor Gearless Mill Drive GMD System. Electric Motor HOW IT'S MADE-Super Electric Motor Manufacturing Technology in China - Duration: 22:05. SMT Winding Equipment Recommended for you

  • 作者: Indonesian Cement - Knowledge Share
  • 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 H/W firewall and optical link Framework for data acquisition and processing Features: Data acquisition from different signal sources Data storage and consolidation in dedicated database

  • selection criteria for sag mill drive system

    choosing a sag mill to achieve design performance,Horizontal Ball Mill and Inching Drives Mill Pinion Gears The SAG mill drive is normally designed and optimized for mill heads gear set main drive gearless mill drive optical systems Selection Criteria for Sag Mill Drive Systems 65 MW appears to be the upper limit on a single pinion drive and 13

  • Gearless mill drives - Mining Weekly

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

  • Electrical Engineer for high power “Gearless Mill Drive ...

    ABB is a global leader in power and automation technologies that enable utility and industry customers to improve their performance while lowering environmental impact. ABB operates in more than 100 countries and employs about 135,000 people, whereof 6,600 in Switzerland. The Minerals business unit is active in over 75 countries worldwide as supplier for large industrial plants in the area of ...

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    Advantages of gearless drives on ball mills. . for installation and commissioning of four gearless ball mill drive systems . gearless mill drive optical systems. Get Price. sag mill maintenance Automatic Mill. To be familiarized with the . ABBs Gearless mill drive system is the most powerful mill .

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    Gearless Mill Drive (GMD) systems are characterized by having the motor wrapped around the mill like a ring. For this reason they are often referred to as ring motors. The rotor poles are attached directly to the mill (head) flange, and hence the rotor becomes an integral part of the mill, as shown in Fig.

  • ABB to supply gearless mill drive systems to mine in Panama

    Sep 22, 2008  ABB will supply six complete gearless mill drive systems, transformers, ringmotors, project engineering, installation, training and other related support services. September 22, 2008 – ABB won an $88-million order from Minera Petaquilla SA (MPSA) to deliver gearless mill drive systems to increase productivity and lower energy consumption at a ...

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    Jun 05, 2013  These drive systems are based on ABB's ACS drives family and offer the following benefits and possibilities: smooth starting, fast and precise control, reduced mechanical stress on

  • An electrical impact study between variable speed dual ...

    When mill power is between 18 and 20 MW, which is the current manufacturing limit of ring geared mills [2], either a gearless mill drive (GMD) or a ring geared mill with dual pinion motors can be chosen. Selecting between gearless or ring geared design is mostly dependent on size of the mill and power and speed requirements [3].

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  • 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.

  • ABB to supply gearless mill drive systems to mine in Panama

    Sep 22, 2008  ABB will supply six complete gearless mill drive systems, transformers, ringmotors, project engineering, installation, training and other related support services. September 22, 2008 – ABB won an $88-million order from Minera Petaquilla SA (MPSA) to deliver gearless mill drive systems to increase productivity and lower energy consumption at a ...

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    Gearless Ball Mill 24X36 . been providing gearless drive systems for 40-foot SAG mills. And over the past three years the company has received ten orders for this type of mill, rated at up to 28 MW. In 2010, Siemens proudly announced the sales re-lease of a 42-foot gearless drive. The 42-foot drive al-lows throughput to be nearly doubled ...

  • An electrical impact study between variable speed dual ...

    When mill power is between 18 and 20 MW, which is the current manufacturing limit of ring geared mills [2], either a gearless mill drive (GMD) or a ring geared mill with dual pinion motors can be chosen. Selecting between gearless or ring geared design is mostly dependent on size of the mill and power and speed requirements [3].

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    Mar 04, 2013  The gearless drives helped to boost the efficiency and reliability of the conveyor system and reduce maintenance requirements. Category Science Technology

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    Electrical Engineer for high power “Gearless Mill Drive Systems” (80-100%) ABB - Baden, AG - Switzerland - 19 days ago Basic Info. Location Baden-Dättwil, Aargau, Switzerland Job type Full-Time Contract Regular/Permanent. Join ABB and work in a team that is dedicated to creating a future where innovative digital technologies allow greater ...

  • Green drives: Energy-efficient drive systems boost copper ...

    Apr 24, 2008  Baden, Switzerland — Gearless mill drive systems will maximize productivity and energy efficiency at a new copper mine in northern Brazil. ABB says it recently won an order from Vale (formerly CVRD) to deliver such a system to the Salobo mine, located at the Tapirape-Aquiri National Forest, in the state of Pará, Brazil.The mine is operated by a wholly owned subsidiary of Vale (formerly ...

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    ABB gearless mill drive systems provide improved energy efficiency, superior reliability, increased process availability, and an extended life span for all equipment. They allow bi-directional operation, have integrated frozen charge protection and offer automatic positioning and creeping without an auxiliary drive.

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