ball mill drive motors

Ball Mill Drive Motors

Ball Mill Drives - Mineral Processing & Metallurgy

V-BELT Ball Mill DRIVE V-belt or poly-V drives are generally used on grinding mills consuming 350 HP or less. Where power exceeds this, drives become so large and motors become special, resulting in an uneconomical application. Generally the driven mill sheave is …

BALL MILL DRIVE MOTOR CHOICES - artec-machine.com

The time has come to re-think our approach to mill drive motors because of the growth in size of newer ball mills, the starting torque restrictions of some of the newer mill drive configurations, and the softness of some utility services. This stone looks at the serviceability and economics of five different mill motor

Gearless mill drives - Grinding | ABB

ABB’s Gearless mill drive system 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, service-friendly and fit for purpose design to provide highest ... Advanced digital services for LV drives and motors .

USED BALL MILLS for Sale - CSC Special Offers

FLENDER, type KZHW 570, 990/15.7 rpm, with drive-motor, 9.2 kW, 1000 rpm, 380 V. Main-drive-motor: BBC, slipring-type MSK 236a, 510 kW, 1000 rpm, 3000 V, 50 HZ, with SIEMENS-starter (made in 1988) Trunnion-bearings: 2 Trunnion-bearings with white-metal-split-bushes (1000 mm Ø x 400 mm width) and oil-circulating systems with pumps and motors 0 ...

Sentinel: Siemens Gearless Mill Drives - YouTube

19-1-2016 · 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 MW drives. For mines of this size, reliable, high efficiency mills are top priority. Siemens Gearless Mill Drives result in reduced total costs and assure a high performance ...

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL …

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL DRIVES FOR GRINDING APPLICATIONS M. Ahrens, ABB, ... The first Gearless Mill Drive (GMD) with a power of 6.5 MW was ... The question what drive system is optimal for SAG and ball mills

Selecting Inching Drives for Mill and Kiln Applications

Electric Motors The standard inching drive motor is a NEMA or IEC frame typically foot mounted to a motor scoop or base ... Mill drive inchers can use this low value of service factor based on the limited operation over the twenty five year expected life.

Ball Mills - Mineral Processing & Metallurgy

Working Principle & Operation. The apparent difference in capacities between grinding mills (listed as being the same size) is due to the fact that there is no uniform method of designating the size of a mill, for example: a 5′ x 5′ Ball Mill has a working diameter of 5′ inside the liners and has 20 per cent more capacity than all other ...

Designing a ball mill driven by hydraulic motor

Designing a ball mill driven by hydraulic motor. designing a ball mill driven by hydraulic motor Sawmilling at WOODWEBs Knowledge Base Find articles on metal detector sensitivity and power sawmill recovery rate rates for custom milling portable bandmill designing a ball …

Ball Mill Drive – Shanthi Gears

Address 304-A, Shanthi Gears Road, Singanallur, Coimbatore – 641 005, Tamil Nadu, India. Phone No +91 422 4545745. Fax +91 422 4545700

Gearless Mill Drives - ABB Ltd

Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill 4583 t/h Ball Mills 4583 t/h Consultant: Bechtel, Chile Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m Ball Mills 25 feet/7,62 m Ore processed: Copper Ore Drive Rating: SAG Mill 19,4 MW / 9,31 rpm Ball Mills 13,43 MW / 11,5 rpm Award of Contract ...

Industrial gear unit drive solution for ball mills | …

Flexible drive solutions for use in ball mills A ball mill is a horizontal cylinder filled with steel balls or the like. This cylinder rotates around its axis and transmits the rotating effect to the balls. The material fed through the mill is crushed by the impact and ground as a result of the friction between the balls.

GE Motor Technology to Drive Mexico’s Largest …

26-9-2012 · Grupo Mexico will use GE’s advanced synchronous motor technology to add 84 megawatts (MW) of power at six Buenavista ball mills. Quadramatic motors run at fixed speeds with minimum system losses to promote high efficiency, thus lowering the mine’s energy requirements.

Ring gear drives huge grinding mill | Machine Design

1-3-2000 · Located at Kennecott Utah Copper near Salt Lake, this mill uses a ring-motor drive, Figure 5. The SAG mill is followed by two 20-ft diam., 7,500-hp gear-driven ball mills. Another type of drive, less commonly used, consists of a motor-driven speed reducer that is coupled to one of two millsupport trunnions, and drives the mill from the end.

Ball Mill - RETSCH - powerful grinding and …

The High Energy Ball Mill E max and MM 500 were developed for grinding with the highest energy input. The innovative design of both, the mills and the grinding jars, allows for continuous grinding down to the nano range in the shortest amount of time - with only minor warming effects. These ball mills are also suitable for mechano chemistry.

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