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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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Siemens to Supply the World’s Biggest Gearless

2020-4-8 · Siemens announced it will suppy the world’s biggest gearless conveyor drive system to the Cuajone mine in Peru, which is operated by the Mexican mining company Southern Copper Corp. (SCC). The conveyor system is part of modernization project that also includes a new gyratory crushing system. The belt conveyor will replace a 6-km railway system currently used to transport the ore out of the

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Gearless Mill Drives ABB

2021-2-17 · Drive Rating: SAG Mill 20,1 MW, 9,23 rpm Ball Mills 11,2 MW, 11,38 rpm Award of Contract: March 1999 Start of Operation: June 2001 ABB’s scope of supply: Four complete Gearless Mill Drive Systems including: Wrap-around Motors Cycloconverters & Excitations Transformers, E-House Containers incl.: Cycloconverters, MCC’s, PLC’s, VMS

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Increasing availability through advanced Gearless Drive

2021-5-31 · The principle idea behind a gearless drive system is to reduce the number of components and diversity of parts. Especially those components that are at the edge of cur-rent manufacturing or power limits are eliminated. The used equipment provides the possibility to scale up and increase the power transmitted to the driven machine. This finally results in a possible increase of throughput

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Gearless Drives for Ore Conveying and Grinding

2021-6-28 · 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 in Norway in 1980. The mill and its drive system are still in service.

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ABB gearless drives for TAKRAF's most powerful

Four 5 megawatt (MW) gearless drives were recently commissioned and tested at the head drive station of conveyor CV-02 and are now up and running. It forms part of TAKRAF’s scope of supply for an underground mining project in northern Chile and the world’s most powerful belt conveyor system. Source: Press releases by TENOVA.

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siemens/mining SIMINE Gearless Mill Drives

2021-6-3 · The Gearless Drive avoids any contact between the rotating mill and the static parts of the motor. This enables a contin-uous workflow without maintenance on the gears or the pinions. What used to be downtime is now productive time. Vibration-free, low-weight, short-circuit-

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The behavior of the cycloconverter fed gearless drive

2019-11-18 · 2.1 Disconnection of power supply The first case to study is not really abnormal, but very common: A total power failure, caused by disconnection of an upstream feeder. This is a situation which the protection system of the gearless drive has under complete control. The undervoltage detection of the gearless drive monitors the

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The Case for Going Gearless E & MJ

2020-4-8 · Gearless drive systems for conveyors or mills can simplify installation, increase machine efficiency and reduce maintenance costs, according to a company that’s been a pioneer in the technology A Siemens gearless drive system powers a 6.5-km-long overland conveyor belt at

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Motors for elevators. Gearless motors Lafert Spa

Its novel inner rotor and fractional slot gearless technology are of products of Lafert’s in-house design and manufacturing expertise. It provides the highest levels of performance and energy efficiency plus enhanced response to satisfy today’s needs and trends in

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ABB to supply gearless conveyor drive system for

2013-4-2 · ABB’s final scope of supply for the project includes electrical equipment and new gearless drive technology (with twelve 2500kW/56 rpm motors) for the four conveyor flights of the complete

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ABB to supply gearless conveyor drive system to El

2013-4-3 · ABBs final scope of supply for the project includes electrical equipment and new gearless drive technology (with twelve 2,500 kW / 56 rpm motors) for the four conveyor flights of the complete conveyor system, one of which is a downhill tunnel conveyor of almost 9,000 m length.

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Siemens to Supply the World’s Biggest Gearless

2020-4-8 · Siemens announced it will suppy the world’s biggest gearless conveyor drive system to the Cuajone mine in Peru, which is operated by the Mexican mining company Southern Copper Corp. (SCC). The conveyor system is part of modernization project that also includes a new gyratory crushing system. The belt conveyor will replace a 6-km railway system currently used to transport the ore out of the

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Siemens Supplying Gearless Drive System to

2013-1-11 · The Siemens Drive Technologies Division has received an order from ThyssenKrupp Robins, Greenwood Village, CO, to supply the gearless drive system for the overland conveyor system in the Las Bambas copper mine in Peru. The owner of the mine is Xstrata Copper (Brisbane, Australia).

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Siemens supplies the world’s biggest gearless

2015-10-6 · The Integrated Drive System (IDS) used to power the world’s highest-powered gearless conveyor system with an output totaling 12,000 kilowatts is being supplied by Siemens.

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Gearless Drive Commissioning in Chile TENOVA

2019-6-3 · The first four 5 MW gearless drives were recently commissioned at the head drive station of conveyor CV-02, which forms part of Tenova TAKRAF´s scope of supply for an underground mining project in northern Chile and the world’s most powerful belt conveyor system.. Conveyor CV-02 is the second of TAKRAF’s mega 11,000 tph gearless drive

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Increasing Availability through Advanced Gearless Drive

2018-2-20 · Siemens’ gearless drive technology of 99.46 to 99.71% as confirmed by real operational data from the Antapaccay mine in Peru. It was the first plant worldwide to use gearless drives for both applications. KEYWORDS Gearless Mill Drives, Gearless Conveyor Drives, Availability, SAG Mill, Ball Mill, Overland Conveyor, Antapaccay 15

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China Gearless Machines China Manufacturers &

Gearless Traction Machine for Elevator WYJ250 410 Single Wrap Series. Brand: XINDA Packaging: Non-wooden Min. Order: 1 Set/Sets Certificate: CE / ISO9001 / ISO14001 Xinda Gearless Lift Traction Machines WYJ250 Single Wrap Quick Details Type Elevators Place of Origin Zhejiang China Mainland Brand Name XINDA Model Number WYJ250 Single Wrap Usage Car Elevators Drive Type AC

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The behavior of the cycloconverter fed gearless drive

2019-11-18 · 2.1 Disconnection of power supply The first case to study is not really abnormal, but very common: A total power failure, caused by disconnection of an upstream feeder. This is a situation which the protection system of the gearless drive has under complete control. The undervoltage detection of the gearless drive monitors the

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siemens/mining SIMINE Gearless Mill Drives

2021-6-3 · ment, which consists essentially of the energy supply and power section of the Gearless Drive and the associated auxiliaries, increasing importance is being attached to plant automation and diagnostic systems. Short-circuit-proof cycloconverter The synchronous machine is fed by a cycloconverter (CCV).

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