gearless mill drive system

Gearless mill drives - Grinding ABB

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

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Gearless Mill Drives Beneficiation Siemens 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%.

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Gearless mill drives - library.e.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 the gearless motor. Building a track record

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Gearless Mill Drive Reliability ABB Ability™ for Mining

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.

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SIMINE Gearless mill drives

as the absorption of solar radiation. The SIMINE Gearless mill drives’ sealing system has a proven design incorporat-ing extremely low maintenance with ingress protection that is rated at IP 55, and complemented by a purpose-built rain shield. The outdoor version of SIMINE Gearless mill drives means that a concentrator building is not needed, a

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siemens/mining 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-

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ABB Motor - Gearless Mill Drive GMD System - YouTube

Nov 08, 2016  ABB Motor Gearless Mill Drive GMD System

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Sentinel: Siemens Gearless Mill Drives - YouTube

Jan 19, 2016  The mills at Sentinel in Zambia are amongst the world’s biggest, with 2 off 40 ft SAG mills complete with 28 MW drives, and 2 off 28 foot-ball mills with 22 ...

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Gearless Mill Drive systems (GMDs) Services

Conveyor Belt System 124; Construction Management (CM) 71; Engineering and Design 55; Closure plan preparation 63; Earthworks 7; Geophysical survey 20; Civil works 38; Shorings 17; Tweet; Gearless Mill Drive systems (GMDs) Services. Displaying 1-22 of 22 results. Supplier Name Project Name Country Project Owner; ABB : Toquepala Copper ...

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gearless mill drives Archives - International Mining

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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Gearless Mill Drives Beneficiation Bulgaria

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%.

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siemens/mining 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-

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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

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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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Gearless mill drive system in iron ore ­processing ...

Gearless mill drive system in iron ore ­processing Diagramm eines getriebelosen Mühlenantriebssystems von ABB # Diagram of ABB's gearless mill drive system 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.

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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, MCC’s (for mill and drive auxiliaries), differential

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Gearless Mill Drive systems (GMDs) Services

Conveyor Belt System 124; Construction Management (CM) 71; Engineering and Design 55; Closure plan preparation 63; Earthworks 7; Geophysical survey 20; Civil works 38; Shorings 17; Tweet; Gearless Mill Drive systems (GMDs) Services. Displaying 1-22 of 22 results. Supplier Name Project Name Country Project Owner; ABB : Toquepala Copper ...

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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.

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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.

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ABB gearless mill drive digital services help increase ...

The company selected ABB’s 26 MW gearless mill drive system (GMD) for the mine’s 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement (LTSA). This is expected to reduce operating costs, improve process throughput and reliability while saving energy and keep equipment in top form.

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ABB successfully commissions largest gearless mill drive ...

Jun 30, 2014  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

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gearless mill drive system - Traducción al español – Linguee

Muchos ejemplos de oraciones traducidas contienen “gearless mill drive system” – Diccionario español-inglés y buscador de traducciones en español.

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The Case for Going Gearless E MJ

Drive stations with a gearless drive system can be built more compactly. This is especially useful for drive stations in tunnels or underground applications. The capability to increase drive power per drive pulley enables the design of longer belt conveyor systems, and the number of drive

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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 ...

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Gearless Mill Drive - Scribd

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. The motor is fed by a fuse-less cycloconverter that is connected to the MV

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TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL

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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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, MCC’s (for mill and drive auxiliaries), differential

Get PriceEmail contact

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.

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Cobre Panama starts up gearless mill drive systems ...

In all, two 28-megawatt gearless mill drive systems (GMDs) are in use at the mine's 40ft SAG mills, and four 16.5MW GMDs are employed in 26 football mills. "Gearless mill drives are the 'workhorses' for grinding operations, which are at the heart of any mine,"

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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.

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Gearless mill drivemaintenance and installationEMF

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.

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ABB gearless mill drive digital services help increase ...

The company selected ABB’s 26 MW gearless mill drive system (GMD) for the mine’s 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement (LTSA). This is expected to reduce operating costs, improve process throughput and reliability while saving energy and keep equipment in top form.

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GEARLESS DRIVE - ABB wins $14M order for Malartic mill ...

Nov 07, 2007  The ABB order includes a complete 19-MW, gearless mill drive system for a 11.5-metre SAG mill. The contract includes engineering and delivery, which is scheduled for the end of 2008. The system will include a ring motor, transformer, housings and

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gearless mill drive system - Traducción al español – Linguee

Muchos ejemplos de oraciones traducidas contienen “gearless mill drive system” – Diccionario español-inglés y buscador de traducciones en español.

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ABB commissions first gearless mill drives project in ...

May 26, 2011  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

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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.

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A Mechatronic Solution Design and Experience with Large ...

The gearless drive of today is well known throughout the mining industry. After more than 30 years, a wide application spectrum for Gearless Drives has been installed, which are capable of handling various ore and mill types. Time has shown that all requirements for grinding mills can be satisfied by this concept. In many cases, innovative ...

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advantage of central drive system ball mill

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL . the requirements The optimal drive type can only be selected after determining the mill size, the need for variable speed and the characteristics of the electrical system of the plant Comparison of Drives Systems for Grinding Applications The question what drive system is optimal for SAG and ball mills

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