gearless mill drive system

gearless mill drive system

Gearless mill drives - Grinding ABB

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

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Gearless Mill Drives Beneficiation Siemens Global

2021-11-7  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 ...

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Gearless mill drives - ABB

2021-2-16  The ABB gearless mill drive (GMD) is the most powerful mill drive system available, combining the highest levels of efficiency, reliability, flexibility and availability. 3 Competence in grinding For many decades, ABB's optimized mill drive solutions have consistently set new productivity

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SIMINE Gearless mill drives

2021-10-20  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

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gearless mill drives Archives - International Mining

2021-10-23  Gearless mill drives (GMDs) are the grinding solution of choice in challenging environments. By eliminating bolt-on mechanical components such as ring-gears, pinions, couplings and gearboxes, GMDs offer ore producers unrivalled availability, efficiency and durability, while reducing operating expenditure, according to GMD provider ABB.

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siemens/mining SIMINE Gearless Mill Drives

2021-11-8  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-

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Siemens Delivers First Gearless Mill Drive System to ...

2006-9-13  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.

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Toromocho – A giant in high-altitude mining

2021-2-16  The three gearless mill drive (GMD) systems are the ABB most powerful ever made. The GMD for the 40-foot SAG mill has a power rating of 28 megawatts (MW), and the GMDs for the two 28-foot ball mills have a power rating of 22 MW. They are the largest diameter and most powerful SAG and ball mills drive systems at the highest altitude installed to ...

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GMD technology for Minera Escondida - Mineral Processing

2014-7-8  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

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Mineral Processing

2010-7-8  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 ...

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gearless mill drives Archives - International Mining

2021-10-23  Gearless mill drives (GMDs) are the grinding solution of choice in challenging environments. By eliminating bolt-on mechanical components such as ring-gears, pinions, couplings and gearboxes, GMDs offer ore producers unrivalled availability, efficiency and durability, while reducing operating expenditure, according to GMD provider ABB.

Read More
SIMINE Gearless mill drives

2021-10-20  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

Read More
TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

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 ...

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ABB gearless mill drive system to power SAG mill

2010-9-1  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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Increasing Availability through Advanced Gearless Drive ...

2018-2-20  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, MCC’s (for mill and drive auxiliaries), differential

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Gearless Mill Drive systems for copper mine in Zambia ...

Up to 300,000 tons of copper will be mined at Sentinel, one of FQM’s flagship plants. For copper mines of this size, reliable, high efficiency mills are top priority. 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 ...

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Siemens Delivers First Gearless Mill Drive System to ...

2006-9-13  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.

Read More
Gearless mill drive order - Cement Lime Gypsum - ZKG

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.

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ABB commissions mills at Mount Milligan - International

2014-7-3  ABB’s delivery included one gearless mill drive system (GMD) for a 40 ft semi-autogenous mill and two low-speed dual pinion ring-geared mill drive systems (RMDs) for two 26 ft ball mills; making Mount Milligan’s grinding circuit one of the most advanced

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Order in Chile - Mineral Processing - at-minerals

2014-7-8  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 ...

Read More
TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

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 ...

Read More
ABB gearless mill drive system to power SAG mill

2010-9-1  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 ...

Read More
Increasing Availability through Advanced Gearless Drive ...

2018-2-20  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, MCC’s (for mill and drive auxiliaries), differential

Read More
Gearless Mill Drive systems for copper mine in Zambia ...

Up to 300,000 tons of copper will be mined at Sentinel, one of FQM’s flagship plants. For copper mines of this size, reliable, high efficiency mills are top priority. 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 ...

Read More
Siemens Delivers First Gearless Mill Drive System to ...

2006-9-13  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.

Read More
[PDF] TECHNICAL AND COMMERCIAL BENEFITS OF

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 to the variable speed operation the grinding process can be optimized for ores with varying grinding properties.

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Cobre Panama starts up gearless mill drive systems ...

2019-10-29  Cobre Panama starts up gearless mill drive systems. In line with the achievement of commercial production of copper at First Quantum’s Cobre Panama, ABB has confirmed the commissioning of six gearless mill drives at Panama’s newest active open-pit mine. Six ABB gearless mill drives have been commissioned at Panama's newest mine, Cobre Panama.

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Gearless mill drive order - Cement Lime Gypsum - ZKG

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.

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GRINDING: ABB commissions six gearless mill drives at ...

2019-10-29  Two 28 MW gearless mill drive systems (GMDS) are operating in the mine's 12-metre SAG mills and four 16.5 MW GMDS are employed in 26 ball mills along with associated control systems. "Gearless mill drives are the 'workhorses' for grinding

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ABB commissions mills at Mount Milligan - International

2014-7-3  ABB’s delivery included one gearless mill drive system (GMD) for a 40 ft semi-autogenous mill and two low-speed dual pinion ring-geared mill drive systems (RMDs) for two 26 ft ball mills; making Mount Milligan’s grinding circuit one of the most advanced

Read More