• "EXPERIENCE WITH SYNCHRONOUS AND Cimentec

    EXPERIENCE WITH SYNCHRONOUS AND 7.1 Ball Mill drives with synchronous motor and air clutch/fluid coupling. 7.2 Ball Mill with slip ring induction motor. 8. in the plant, the choice of motor and drive will directly influence these savings, which can be significant.

  • Synchronous Motors With Clutches For Mill

    synchronous motors with clutches for mill – Grinding Mill China. Dual Motor Grinding Mill Drive Synchronous Motor. air clutch synchronous grinding mill BALL MILLS FOR SALE Greer Mechanical Home. 14 X 24 Hard Metal Lined Wet Grind Mill with 3000 hp Synchronous Motor. Final Speed 15.4 rpm : 11.6 X 24 Wet Grind Mill Rubber Lined with

  • Preprint 13050 ceecthefuture.org

    further 40 projects worldwide, energy efficient Hyper Synchronous SER drives are now mature and ready for use on 2 X 10MW dual drive mills. Speed variation required is in the range of +/ 15% of synchronous motor speeds. VVVF drive packages from ABB and Siemens are also available for 2 x 10MW in low and high speed options.

  • WEG tests dualpinion ball mill drive World Pumps

    Jul 21, 2014 · WEG tests dualpinion ball mill drive . The tests were carried out over a period of four weeks and included two 4,700kW 30pole synchronous motors connected backtoback and directly coupled to the shaft. The products are part of an important order for electric motor drives for eighteen ball mills and semiautogenous grinding (SAG

  • Synchronous Motors With Clutches For Mill

    synchronous motors with clutches for mill – Grinding Mill China. Dual Motor Grinding Mill Drive Synchronous Motor. air clutch synchronous grinding mill BALL MILLS FOR SALE Greer Mechanical Home. 14 X 24 Hard Metal Lined Wet Grind Mill with 3000 hp Synchronous Motor. Final Speed 15.4 rpm : 11.6 X 24 Wet Grind Mill Rubber Lined with

  • QdX4TM Mill Drive system

    Millmotor/drive High powered efficiency • Dual motor load sharing between two TM QdX4 Mill Drives. • Low speed synchronous or induction. Motor with Variable Speed Drive (VSD) • Dual motor drives are capable of: – Inching and creeping – Frozen charge detection – Use of standard temperature and • vibration sensors

  • dual drive grinding mill vanveldhovenexpertise.nl

    dual motor grinding mill drive synchronous motor duel drive motor in a ball mill , duel drive motor in a ball mill genous and ball mills for wet and dry grinding thyssenkrupp . Chat Online Dual Drive Planetary Mill ideaconnection.

  • Load Sharing of Dual Motor Grinding Mill Drives

    Relatively small slowly varying shaft position and velocity variations superimposed on the normal running speed of dual drive grinding mill motors can cause individual motor torque variations which disturb load sharing. The magnitude of load or torque unbalance is a function of the magnitude of the mechanical variation, the type of motors used, i.e., induction or synchronous, the number of

  • Ball Mill Synchronous Motor For Limestone Grinding

    ball mill synchronous motor for limestone grinding dual motor grinding mill drive synchronous motor,ball mill . Get Price And Support Online BALL MILL DRIVE MOTOR CHOICES Artec Machine. BALL MILL DRIVE MOTOR CHOICES . ball mills, the starting torque . in the past has been the low speed synchronous motor driving through an open pinion and

  • White paper, September 2015 SmartMill™: Exceed your

    the AG/SAG mill will have a critical rotation speed above which grinding ceases. Mill motor types There are three common motor types that drive the grinding mills described above: – Gearless motors. These variablespeed motors range up to 30 MW and have the highest system efficiency. They are normally the most effective solution for high

  • US3735217A Twin motor drive system Google Patents

    A twin motor drive system having two synchronous motors of usual construction driving a common load. Means are provided for controlling the field excitation of the motors in a manner to maintain equal division of the load. LARGE v 1 GRINDING MILL v FIG. I. Drive system employing dual motors US3549965A (en) * 19670222: 19701222

  • LOW SPEED ASYNCHRONOUS MOTORS FOR MILL

    LOW SPEED ASYNCHRONOUS MOTORS FOR MILL APPLICATIONS . V. Matthews, Siemens Process Industries & Drives, Alpharetta GA . INTRODUCTION Typical grinding electrifiion requirements are defined by high power, constant torque and slow speed. Dual pinion mills also include a need for tight tolerances in torque between the two motors, to avoid

  • Ball Mill Drives Mineral Processing & Metallurgy

    When using a synchronous motor we recommend having 200% starting torque, 120% to 130% pullin torque, and 225% pullout torque. These assume no greater than a 10% voltage drop at the motor terminals. VBELT Ball Mill DRIVE Vbelt or polyV drives are generally used on grinding mills consuming 350 HP or less.

  • Low speed drive solutions for ringgeared mills ABB Group

    Low speed drive solutions for ringgeared mills 20120710 ABB''s low speed ringgeared mill drive solution is based on synchronous motors and frequency converters. The motors are typically rated in the range 3.5 – 9 MW with a nominal speed around 200 rpm.

  • Ball Mill Synchronous Motor For Limestone Grinding

    ball mill synchronous motor for limestone grinding dual motor grinding mill drive synchronous motor,ball mill . Get Price And Support Online BALL MILL DRIVE MOTOR CHOICES Artec Machine. BALL MILL DRIVE MOTOR CHOICES . ball mills, the starting torque . in the past has been the low speed synchronous motor driving through an open pinion and

  • Drive Solutions for the Global Mining Industry TMEIC

    All three grinding mills are driven by synchronous motors of identical ratings. One drive can start any of the three motors in any desired sequence as shown by the blue lines in the fi gure above. Once the synchronous motor is started, the drive synchronizes the motor with the supply to

  • US3735217A Twin motor drive system Google Patents

    A twin motor drive system having two synchronous motors of usual construction driving a common load. Means are provided for controlling the field excitation of the motors in a manner to maintain equal division of the load. LARGE v 1 GRINDING MILL v FIG. I. Drive system employing dual motors US3549965A (en) * 19670222: 19701222

  • Increasing availability through advanced Gearless Drive

    The Gearless Mill Drive system consists of the ring motor with its feeding cycloconverter, preinstalled in an Ehouse. 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),

  • ABB Motor Gearless Mill Drive GMD System YouTube

    Nov 08, 2016 · ABB Motor Gearless Mill Drive GMD System. Skip navigation Sophistied ABB grinding solutions at Mount Milligan mine ABB synchronous reluctance motor and drive

  • Mineral Processing Toshiba International Corporation

    Grinding Mill Drive Systems, SagBall etc 1 x 44000kW 30 pole 6600 volt Synchronous Motor Loion: Kalgoorlie, Western Australia Ernest Henry Mine Appliion: 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

  • US3735217A Twin motor drive system Google Patents

    A twin motor drive system having two synchronous motors of usual construction driving a common load. Means are provided for controlling the field excitation of the motors in a manner to maintain equal division of the load. LARGE v 1 GRINDING MILL v FIG. I. Drive system employing dual motors US3549965A (en) * 19670222: 19701222

  • grinding mill for 750 watts motor ezikorestaurant.co.za

    dual motor grinding mill drive synchronous motor. dual motor grinding mill drive synchronous motor. Uneven SAG Mill Drive Power Draw Grinding Classifiion . Apr 4, 2018 By contrast, the GE patented Quadramatic twin drive system will deliver precise load sharing between two low speeds Synchronous motors, driving .

  • "EXPERIENCE WITH SYNCHRONOUS AND Cimentec

    EXPERIENCE WITH SYNCHRONOUS AND 7.1 Ball Mill drives with synchronous motor and air clutch/fluid coupling. 7.2 Ball Mill with slip ring induction motor. 8. in the plant, the choice of motor and drive will directly influence these savings, which can be significant.

  • Paper # 25 Copper Mountain Overview on the Grinding

    COPPER MOUNTAIN: OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION MILL DRIVES ABSTRACT This paper will first give a short overview of the Copper Mountain project in British Columbia, which just has started commercial operation earlier this year. The grinding

  • Sag Mill Synchronous Motors caesarmachinery.com

    Sag Mill Synchronous Motors Prompt : Caesar is a famous mining equipment manufacturer wellknown both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.

  • Grinding mills and synchronous motors D''Angelo

    Grinding Mills and Synchronous Motors Grinding mills and synchronous motors 13 ft diameter Allis Chalmers grinding mill configurable as ball or SAG mill – Shell cut into multiple rubber liners available: Drive option: – 800 HP GE induction motor, 885 RPM, 2200 V. Tested. – 4.01:1 Horsburgh and Scott speed reducer. Tested.

  • LOW SPEED ASYNCHRONOUS MOTORS FOR MILL

    LOW SPEED ASYNCHRONOUS MOTORS FOR MILL APPLICATIONS . V. Matthews, Siemens Process Industries & Drives, Alpharetta GA . INTRODUCTION Typical grinding electrifiion requirements are defined by high power, constant torque and slow speed. Dual pinion mills also include a need for tight tolerances in torque between the two motors, to avoid

  • Grinding mills and synchronous motors D''Angelo

    Grinding Mills and Synchronous Motors Grinding mills and synchronous motors 13 ft diameter Allis Chalmers grinding mill configurable as ball or SAG mill – Shell cut into multiple rubber liners available: Drive option: – 800 HP GE induction motor, 885 RPM, 2200 V. Tested. – 4.01:1 Horsburgh and Scott speed reducer. Tested.

  • ball mill motor rpm YouTube

    Jul 17, 2019 · This video is unavailable. Watch Queue Queue. Watch Queue Queue

  • STEPPING FORWARD: USING VARIABLE SPEED DRIVES FOR

    STEPPING FORWARD: USING VARIABLE SPEED DRIVES FOR OPTIMIZING THE GRINDING PROCESS IN SAG AND BALL MILLS. ABSTRACT . An electric motor (asynchronous or synchronous machine, after which everything is ready to drive the mill.

  • TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS

    TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL DRIVES FOR GRINDING APPLICATIONS M. Ahrens, ABB, Switzerland 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 the motor rotor. The concept to drive the mill this way is relatively

  • dual drive grinding mill vanveldhovenexpertise.nl

    dual motor grinding mill drive synchronous motor duel drive motor in a ball mill , duel drive motor in a ball mill genous and ball mills for wet and dry grinding thyssenkrupp . Chat Online Dual Drive Planetary Mill ideaconnection.

  • Increasing availability through advanced Gearless Drive

    The Gearless Mill Drive system consists of the ring motor with its feeding cycloconverter, preinstalled in an Ehouse. 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),

  • Ringgeared mill drives Grinding ABB

    Standstill detection – Prevents the motors from restarting if the mill is still rocking or moving after a Overview on the grinding mills and their dual pinion mill drives (English pdf Technical publiion) Measuremens at a state of the art 2x5 MW dual pinion mill drive (English pdf Technical publiion) Protect and optimize

  • Duel Drive Motor In A Ball Mill czeu.eu

    dual motor grinding mill drive synchronous motor duel drive motor in a ball mill duel drive motor in a ball mill genous and ball mills for wet and dry grinding . Get Price And Support Online Patterson Industries Ball & Pebble Mills. Close up of Direct Drive Gear Motor . Steel Ball Mill, with 10 HP Integral Gear Motor .