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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 - 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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Gearless Mill Drives Beneficiation Siemens Global

2021-9-20  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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SIMINE Gearless mill drives

2021-9-16  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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The Siemens 42ft gearless mill drive, still an ...

2021-8-19  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

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Gearless mill drive system in iron ore ­processing ...

2014-7-8  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 Mineração

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Gearless Mill Drive Protection Improvements and Its ...

2021-2-15  Abstract—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

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Go gearless with ABB’s mill and conveyor drives for more ...

2021-5-25  The gearless conveyor drive (GCD) system eliminates the gearbox from the drive and is one of the most energy efficient means of transportation for bulk material. It uses electric energy and allows almost CO₂ free transportation with a low carbon footprint. ... A gearless mill drive

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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

2021-4-14  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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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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Go gearless with ABB’s mill and conveyor drives for more ...

2021-5-25  The gearless conveyor drive (GCD) system eliminates the gearbox from the drive and is one of the most energy efficient means of transportation for bulk material. It uses electric energy and allows almost CO₂ free transportation with a low carbon footprint. ... A gearless mill drive

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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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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

2021-4-14  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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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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Mining Magazine - Gearless Mill Drive System - Page 1

Gearless mill drive system - Page 1 of 1 Andina contract awarded to ABB ABB has won a three-year service agreement from Codelco to maintain and optimise the installed gearless...

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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

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.

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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.

Get Price

ABB successfully commissions largest gearless mill drive ...

2014-6-30  ABB’s 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 ...

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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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Commissioning Variable Speed SAG Mill Gearless Drive

2018-9-25  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

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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

2021-4-14  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 ...

Get Price

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 ...

Get Price

Gearless Mill Drive Protection Improvements and Its ...

Abstract: 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 conditions as well as the need of high system ...

Get Price

Mining Magazine - Gearless Mill Drive System - Page 1

Gearless mill drive system - Page 1 of 1 Andina contract awarded to ABB ABB has won a three-year service agreement from Codelco to maintain and optimise the installed gearless...

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ABB successfully commissions largest gearless mill drive ...

2014-6-30  ABB’s 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 ...

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SAG MILLING - Gearless drive system from ABB - Canadian ...

2005-2-2  SAG MILLING – Gearless drive system from ABB. WESTERN AUSTRALIA - Five years in storage have failed to affect the performance of the ABB gearless drive on a SAG mill at the St. Ives gold mine belonging to GOLD FIELDS of South Africa. The mill was originally ordered in May 1997, but shortly before the manufacturing was completed, the then ...

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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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ABB commissions first gearless mill drives project in ...

2011-5-26  Commissioning and start-up of Canada’s first gearless mill drive (GMD) system has been completed at Osisko Mining Corp’s Malarctic project and will increase production capacity at the mine.

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The World S Largest Geared Grinding Mill

2010/09/01 ABB gearless mill drive system will power world’s first 42 feet SAG mill Newmont Mining Corporation selects ABB to design three gearless mill drive systems for

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Drive Technology Drive and Automation Technology ...

The belt system had three individual segments equipped with a total of 5 integrated drive systems. The largest belt used two direct drives at 6,000 kilowatts (kW) each. The two smaller feeder and takeoff belts were run by two low-voltage motors at 500 kW and one medium

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