ncronous motor drive ball mill

Cimentec Ltd.

4000hp Synchronous Motor retrofit for Ball Mill. Preventative overhaul of an existing 4000hp, 4kV synchronous motor in service continously for over 40 years. Included new rotor and salient pole fields, new stator windings, pedestal sleeve bearings and new coupling. Included also new state of the art field excitation package and power factor ...

Teco-Westinghouse Custom Synchronous Motors

Synchronous machines can be found wherever there is a demand for highly efficient, cost-effective, dependable machines. They are frequently used for rolling, ball and sag mills, chippers, mixers, pulp refiners, pumps, fans, and compressor (reprocating and centrifical) drives.

Synchronous Motor : Working Principle, Types, and Applications

Applications of Synchronous Motors. usually, synchronous motors are used for applications where precise and constant speed is required. Low power applications of these motors include positioning machines. These are also applied in robot actuators. Ball mills, clocks, record player turntables also make use of synchronous motors.

Mineral Processing | Toshiba International Corporation ...

Application: Ball Mill Equipment: 1 x 44000kW 30 pole 6600 volt Synchronous Motor Location: Kalgoorlie, Western Australia Ernest Henry Mine Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6 pole 11000 volt Wound Rotor Induction Motors Location: Cloncurry, Queensland

Specialty Products | Low Voltage Controls | Benshaw Inc.

Ball Mill Positioning Benshaw has successfully applied a 480VAC 700HP AC Variable Frequency Drive for positioning a MV synchronous motor driven ball mill. Learn more …

Used Crushers & Mills For Sale

Allis Chalmers Svedala Ball Mill, 13' diameter x 21' long, rubber-lined mill, with Siemens-Allis 2,000 HP, 4000 volt, 200 RPM synchronous motor, Eaton airflex clutch. Includes trommel discharge, ball mill rejects conveyor, lube system, etc. Offered complete with controls. New in 1979. Completely rebuilt in 1998, serial number C-2485.

MILL DRIVES FOR CEMENT INDUSTRY TOPICS FOR …

A. Ball Mill Drives SINGLE MOTOR DRIVES • Centre drive with low-torque synchronous motor and fluid coupling • Centre drive with low-torque synchronous motor and air clutch. October 29, 2006 5 B. Ball Mill Drives DUAL DRIVES, TWIN MOTOR DRIVES • High speed slip ring induction motors,

ABB Ring-Geared Mill Drives - Power Transmission

ABB ring-geared mill drive solu-tions offer a modular concept that pro-vides a common drive control platform for induction and synchronous motors in single- and dual-pinion configurations. These drives are well-suited for all type of mills and ball mill ap-plications, and are able to cover the power range up to

Quick Answer: What Is The Main Application Of Synchronous ...

Synchronous motors are normally used in applications in which a constant and precise speed is required. Typical applications of these low power motors are positioning machines. They are also used in robot actuators. Synchronous motors are also used in ball mills…

HY tells the ball mill no-load start synchronous motor ...

Sep 06, 2021· The ball mill's transmission method is mainly the use of edge drive, synchronous motor drive ball mill with low speed, heavy load, starting torque and other characteristics. When the ball mill is operating normally, its load is usually stable. Therefore, ball mills generally use no-load start synchronous motors, and then use pneumatic clutch to ...

Ball Mill Used PM Motor - enpmsm.com

For the ball mill of A type synchronous motor, the transmission efficiency can be improved by 15% ~ 20%, and the comprehensive power saving rate is about 17-25%, after canceling large gear and pinion. For the B-type ball mill with asynchronous motor + reducer, the comprehensive power saving rate is up to 40%. Chat with us.

TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL …

Typically, the synchronous motors used in SAG mills have a power higher than 10 MW. Even ball mills have a power larger than 10 MW. For this reason, they have an important impact in energy consumption and in the operation of the power distribution system. Figure 1. Picture of a typical GMD system for a SAG mill Figure 2 presents the power ...

wrap around synchronous motor - aquaticawarszawa.pl

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. Get Price; Patent US7755245 Synchronous motor with … A synchronous motor with permanentmagnet rotor, of the type comprising a stator with corresponding windings and a rotor arranged between ...

40p 1600KW High Voltage Permanent Magnet Synchronous Motor

Synchronous 4 and 6 Poles Motors The T Series 4 and 6 pole high speed synchronous motors are horizontal. TDMK large synchronous slip ring motor for ball mill This series of ball mill synchronous motor is mainly suitable for large AC three-phase synchronous motor used in transmission mine mill. The main transmission lattice ball mill, rod mill ...

Solution of a Serious Repetitive Vibration Problem on a ...

Solution of a Serious Repetitive Vibration Problem on a 4500-hp Single-Pinion Synchronous Motor Ball Mill Drive Abstract: Vibration problems which occur after some considerable period of operation are often solved by simply replacing or repairing worm system components. This may reduce the vibration to tolerable levels but does not eliminate ...

LOW SPEED ASYNCHRONOUS MOTORS FOR MILL …

Case Study- Application of Asynchronous Low Speed Motors for Mining Ball Mill Application . Mills are often the bottleneck in the beneficiation process rendering their continuous operation critical to a mine. In June 2014, four low speed asynchronous motors were commissioned for two28' ball mills at a copper mine in the United States.

China 6kv/10kv Three Phase Synchronous Ball Mill Motor ...

The series is a kind of large-sized 3-phase AC synchronous motor mainly used to drive mills in mines, including grate ball mill, rod mill and coal mill. Product Name: High Voltage Ball Mill Synchronous Motor Rated voltage: 3000V, 6000V, 10000V Capacity range: 320 kW ~ 5000kW Rated frequency: 50Hz, 60HZ Cooling method: IC01 Quota: S1

1 x SAG Mill & Siemens Motor

2 x Ball Mills & 4 x GE Motors For Sale/Re-Assignment Mill Details (2 x Ball Mills & 4 x GE Motors, Type of Mill Ball Mill Mill Dimensions 6,706 mm x 11,125 mm (22' x 36.5') (D x L) Mill Speed 12.44 RPM Liners Excluded Mill Drive Motor Type Dual Pinion Synchronous (2 Motors per Mill) Mill Drive Motor Size 2 x 4,650 kW min = 9,300kW per mill

TDMK large synchronous slip ring motor for ball mill Supplier

The synchronous motor of the ball mill is a horizontal three-phase salient-pole synchronous motor. The installation method of the motor is horizontal installation. The outer casing of the motor has a circular structure, the protection grade is IP20, and the cooling mode is open ventilation cooling.

Ball Mill Positioning - Applied Motor Controls | Benshaw Inc.

ball mill. The Benshaw variable frequency drive powers the 4160Volt - 3500HP synchronous ball mill motor during positioning to smoothly rotate the ball mill and bring it to the proper position for maintenance. The customer's previous system utilized multiple DC contactors and a motorized cam switch to position the mill. The speed of motor ...

Grinding Ball Mills for sale, Rod Mills, Pebble Mills, SAG ...

12.5 Ft x 25.5 ft Ball Mill, with a 1,500hp Westinghouse Synchronous Motor, 720rpm, 4,000volts, Flak Drive Reducer 720rpm in, 239 rpm out, Bull Gear 236 Teeth, 1/25 DP, 26''face, Pinion 19 …

Engineering and Installation of Medium Voltage Drive for ...

Feb 19, 2016· Ingeteam successfully engineered and installed the medium voltage main drive equipment (rectifier transformer, frequency converter, synchronous motors) for a new edger mill of ThyssenKrupp Stahl. The project delivery comprised the overall project management, single-source responsibility for all components and after sales services.

Synchronous Motors With Clutches For Mill

ball mill torque curve - rock crusher and mine solution ... Adobe PDF7.1 Ball Mill drives with synchronous motor and air clutch/fluid coupling. ... torque speed curves ball mill vfd motor. zenith Heavy ... ball mill clutches.

1 x FLS SAG Mill (excl. Motor/Drive)

2 x FLS Ball Mills (excl. Motor/Drive) For Sale/Re-Assignment Mill Details Type of Mill FLS Ball Mills (set of 2) Mill Dimensions 7925 x 12344 mm (26'x40'6") (Diam x L) Default Mill Speed 11.41 RPM Mill Speed 10.65 to 12.17 RPM Liners Metal/Rubber - Excluded Mill Drive Motor Type Wrap Around GMD Mill Drive Motor Size 16,400 kW (21,993 hp) ...

China Permanent Magnet Synchronous Direct Drive Frequency ...

QTVF Series Permanent Magnet Synchronous Frequency Conversion Motor for Ball Mill" has a rated voltage of 380/6000 / 10000V, and is suitable for the cement, ceramics, metallurgy and other industries. Depending on the application, the ball mill can be driven directly.

GE Motor Technology to Drive Mexico's Largest Ball Mill ...

Sep 26, 2012· The site is Latin America's largest ball mill operation. Grupo Mexico will use GE's advanced synchronous motor technology to add 84 megawatts (MW) of power at six Buenavista ball mills.

Electric vehicle permanent magnet synchronous motor

electric golf carts motor, Sightseeing and patrol cart motor, electric bus motor,permanent magnet synchronous motor,pallet truck motor,stacker motor,police vehicle motor,logistics vehicle, reluctance motor for electric bus,Conversion car motor, City car and cleaning vehicle motor,vehicles motor, Trackless mini train motor,electric 4 wheelers motor, beach vehicles motor, mini-trains motor, cleani

Ball mill drive motor choices - researchgate.net

First works analyzing grinding mill drives [1], [2] focused on the torque requirements, motor options (wound rotor induction motors, synchronous motors), and drive arrangements (center drive, one ...

Electrical Drives Questions and Answers - your electrical ...

Answer: (d) Speed control. SHOW ANSWER. 10. The starting torque in case of centrifugal pumps is generally. (a) less than running torque. (b) same as running torque. (c) slightly more than running torque. (d) double the running torque. Answer: (a) less than running torque.

dual motor grinding mill drive synchronous motor

Ball Mill Drives Mineral Processing Metallurgy. When using a synchronous motor we recommend having 200 starting torque 120 to 130 pull in torque and 225 pull out torque These assume no greater than a 10 voltage drop at the motor terminals V BELT Ball Mill DRIVE V belt or poly V drives are generally used on grinding mills consuming 350 HP or less

China Large Ball Mill Synchronous Motor - China ...

Synchronous Motor, Ball Mill Motor, 1250kw Synchronous Motor manufacturer / supplier in China, offering Large Ball Mill Synchronous Motor, Yb2 Series Explosion Proof Mine Motor, Three Phase Squirrel Cage Motor 630kw and so on.

Autogenous mills, semi-autogenous mills and ball mills for ...

the mill shell. Drive motors In the case of ring gear drives, either wound rotor induction motors or synchronous motors can be used. Induction motors Wound rotor induction motors are usually equipped with starters for a controlled ramp up of mill speed with modest inrush currents. Motor speeds usually require the appli-cation of a speed reducer.

Mining - TECO-Westinghouse Industry

Mining Capabilities. Complete product line of motors and drives. Suitable for SAG and ball mills, conveyors, crushers, grinders, and more. Westinghouse legacy driven by TECO Experience. Dedicated customer service and knowledgeable technical support team. Service and repair capabilities with a full line of renewal parts.

What's driving milling? - Australian Mining

Sep 24, 2012· Compact, lower-cost synchronous motors. To meet the high torque requirements of today's large ring-geared mills, low speed drives generally use synchronous motors. The motors …

SAG Mill Variable Speed Drive - 911 Metallurgist

Jul 18, 2018· The gearless drive comprises a synchronous motor designed to operate at low variable frequency from a cycloconverter power supply (CCV). The motor rotor is mechanically attached directly to the rotating members of the mill itself, the stator superstructure is floor …

ncronous motor drive ball mill

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