PRODUCTS

The leading brand of mining machinery!

ONLINE MESSAGE

For More Information

2009 gearless mill drives:

Mining Weekly - Gearless mill drives

2009-6-26 · Gearless mill drives 26th June 2009 GMDs are used on the larger ball and semi-autogenous grinding (SAG) mills, where power transfer through the con- ventional gearbox, pinion and girth gear ...

Read More
Gearless mill drives - Mining Weekly

2009-6-26 · Gearless mill drives (GMDs) have been installed on platinum-miner Anglo Platinum’s Potgietersrust Platinum (PPRust) 600 000-t/m concentrator.

Read More
Gearless mill drives - ABB

2021-2-16 · Gearless mill drives Go gearless for highest availability, reliability, flexibility and efficiency. 2 GEARLESS MILL DES The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill

Read More
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 ...

Read More
Gearless Mill Drives | Beneficiation | Siemens Global

2021-11-7 · SIMINE Gearless mill drives A standard of reliability and efficiency for grinding From Norway to Zambia, from Mongolia to Chile – for over 30 years, mining operators all over the world have been counting on SIMINE Gearless mill drives. Their most important features include a small footprint and less weight than conventional drives.

Read More
Concepts of Gearless Ball-Mill Drives | IEEE Journals ...

Concepts of Gearless Ball-Mill Drives Abstract: In the past the conventional method of driving large ball mills included some form of speed reducing gear between the higher speed driving motor and the lower speed ball mill. Process developments in the mining and cement industries have increasingly tended toward the use of ever larger ball mills ...

Read More
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 ...

Read More
Availability and Reliability Gearless Drives

2021-10-3 · drives necessitate current and voltage deratings which ac-cumulate to power derating factors; e.g. of up to 0.60 for the reference project Antapaccay at 4,200 meters above sea level. GMD’s do not require such a high derating as they can be designed for such conditions in the first place. The Gearless Mill Drive system consists of the ring motor

Read More
Frozen charge detection and automatic loosening with ...

2021-11-3 · one 26ft, 16 MW Ball Mill in Zambia, all three mills put in operation in 2008, as well as Los Bronces, Confluencia in Chile equipped with one 40ft SAG Mill of 22 MW and two 26ft Ball Mills of 16.4 MW commissioned in 2011. In the light of increasing interest in that technology various further Gearless Mill Drives with FCS are presently being

Read More
Managing and monitoring gearless mill drives ...

2014-12-15 · Managing and monitoring gearless mill drives. Posted by Matrix on 15th December 2014. ABB has re-packaged its proven and tested service offering for gearless mill drives (GMD) remote diagnostic services with the launch of a newly created

Read More
Concepts of Gearless Ball-Mill Drives | IEEE Journals ...

Concepts of Gearless Ball-Mill Drives Abstract: In the past the conventional method of driving large ball mills included some form of speed reducing gear between the higher speed driving motor and the lower speed ball mill. Process developments in the mining and cement industries have increasingly tended toward the use of ever larger ball mills ...

Read More
Gearless Mill Drives - ABB

2021-2-17 · Gearless Mill Drives Ensured Results in Mineral Processing. Antamina Compania Minera Antamina S.A. Peru Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill 1000 t/h Ball Mills 1000 t/h Consultant: Bechtel, USA Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m

Read More
siemens/mining SIMINE Gearless Mill Drives

2021-11-8 · The outdoor version of the SIMINE Gearless Mill Drives has been successfully in operation since 1998. The design of the outdoor version takes into account the tough ambi-ent conditions as well as the absorption of solar radiation. The sealing system of the SIMINE Gearless Mill Drives is a proven design incorporating extremely low mainte-

Read More
The Siemens 42ft gearless mill drive, still an ...

2021-10-19 · 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 behavior where experience does not yet exist.

Read More
Availability and Reliability Gearless Drives

2021-10-3 · drives necessitate current and voltage deratings which ac-cumulate to power derating factors; e.g. of up to 0.60 for the reference project Antapaccay at 4,200 meters above sea level. GMD’s do not require such a high derating as they can be designed for such conditions in the first place. The Gearless Mill Drive system consists of the ring motor

Read More
Revolutionary Drive Controller for Gearless Mills

2021-2-16 · 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.

Read More
How digitalized gearless drive technology results in ...

Technologies for extraction and processing, including gearless mill drives (GMDs) and gearless conveyor drives (GCDs), help operators save energy and achieve greater throughput at large mills with higher grinding capacities. When big data is also applied, this lowers

Read More
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 ...

Read More
Managing and monitoring gearless mill drives ...

2014-12-15 · Managing and monitoring gearless mill drives. Posted by Matrix on 15th December 2014. ABB has re-packaged its proven and tested service offering for gearless mill drives (GMD) remote diagnostic services with the launch of a newly created

Read More
Mining Weekly - Gearless mill drives

2009-6-26 · Gearless mill drives 26th June 2009 GMDs are used on the larger ball and semi-autogenous grinding (SAG) mills, where power transfer through the con- ventional gearbox, pinion and girth gear ...

Read More
Concepts of Gearless Ball-Mill Drives | IEEE Journals ...

Concepts of Gearless Ball-Mill Drives Abstract: In the past the conventional method of driving large ball mills included some form of speed reducing gear between the higher speed driving motor and the lower speed ball mill. Process developments in the mining and cement industries have increasingly tended toward the use of ever larger ball mills ...

Read More
Gearless Mill Drives - ABB

2021-2-17 · Gearless Mill Drives Ensured Results in Mineral Processing. Antamina Compania Minera Antamina S.A. Peru Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill 1000 t/h Ball Mills 1000 t/h Consultant: Bechtel, USA Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m

Read More
The Siemens 42ft gearless mill drive, still an ...

2021-10-19 · 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 behavior where experience does not yet exist.

Read More
Managing and monitoring gearless mill drives ...

2014-12-15 · Managing and monitoring gearless mill drives. Posted by Matrix on 15th December 2014. ABB has re-packaged its proven and tested service offering for gearless mill drives (GMD) remote diagnostic services with the launch of a newly created

Read More
Drive Technology | Drive and Automation Technology ...

An ore mill at the Paracatu gold mine in Brazil, 2009. ... This solution, integrated into the gearless Simine Mill GD mill drive, made it possible to selectively release charge that had clumped onto the mill's interior wall, thus keeping the mill from being damaged if the

Read More
Mining Weekly - Gearless mill drives

2009-6-26 · Gearless mill drives 26th June 2009 GMDs are used on the larger ball and semi-autogenous grinding (SAG) mills, where power transfer through the con- ventional gearbox, pinion and girth gear ...

Read More
Global users of ABB Gearless Mill Drives meet and share ...

2009-10-29 · Global users of ABB Gearless Mill Drives meet and share valuable information. Posted by Matrix on 29th October 2009. ABB Switzerland’s third global Gearless Mill Drive (GMD) User Meeting in Lugano, Switzerland, has just finished. The conference hosted over 120 participants, from October 21 to 24. This was the fifth ABB GMD User Meeting, after ...

Read More
Remote Diagnostic Services for Gearless Mill Drives

2021-2-15 · Gearless mill drives As was mentioned above, a gearless mill drive constitutes both an important part, but also one of the most critical elements of a concentrator or a cement plant. Their purpose is to ensure the continuous rotation of specific types of tumbling mills, more specifically autogenous grinding (AG) mills, semi-

Read More
Michael Salinas – Gearless Mill Drives electrical project ...

Gearless mill drives service inspection, improvements, remote and advanced on-demand troubleshooting at copper and gold mine companies around the world, basically assigned to the following countries: Chile, Perú, Indonesia, United States, Brazil, Dominican Republic,

Read More
ABB wins gearless mill drive order from Indian producer??

2009-11-17 · 17 November 2009. ABB announces that it has won 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, by the Indian cement manufacturer Lalitha Cement Ltd. (LCL), located in Hyderabad, the capital of the Indian state of Andhra Pradesh.

Read More