News Center
  1. Home >
  2. dual motor sag mills
dual motor sag mills

dual motor sag mills

Every mining operation has a unique grinding process Metso has experience of over 8000 grinding mills globally including manufacturing and delivering the largest SAGAG mills in the world Our experts welcome the opportunity to assist you with circuit and circuit control design as well as startup operation and optimization of your mill

[email protected]

Relate Product

News Detail
  • Used Sagmills For Sale AM King
    Used Sagmills For Sale AM King

    Inventory ID 6CHM03 UNUSED FLSMIDTH 36’ x 24 Dual Pinion SAG Mill with 2 ABB 9000 kW 12069 HP Motors for Total Power of 18000 kW 24138 HP

    Get Price
  • Ringgeared mill drives Grinding ABB
    Ringgeared mill drives Grinding ABB

    Mill load sharing – Maintains equal torques on dual pinion mills throughout the whole speed range Controlled rollback – Prevents backlash and reduces downtime Mill power ride through – Keeps the mill operating even under voltage dips Overduty cycle – Avoids unexpected downtime if the mill

    Get Price
  • Unused Sagmills For Sale Grinding Mills Crushers
    Unused Sagmills For Sale Grinding Mills Crushers

    2 Units UNUSED FLSMIDTH 36’ x 24 Dual Pinion Sag Mill with 2 ABB 9000 kW 12069 HP Motors for Total Power of 18000 kW 24138 HP Inventory ID 6CHM03 Manufacturer FLSMIDTH

    Get Price
  • SAG Milling in Australia Revised Submission
    SAG Milling in Australia Revised Submission

    The CCV – ring motor gearless drive is used at Cadia 20 MW and Olympic Dam 18 MW It has been the industry standard for SAG mills above 13 MW capacity However pinion systems to 8 MW per pinion and dual motor systems with quadruple pinions extend the range of gear driven mills to a theoretical limit of 32 MW The Ernest Henry SAG mill

    Get Price
  • Mineral Processing Toshiba International Corporation
    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

    Get Price
  • Paper 25 Copper Mountain Overview on the Grinding
    Paper 25 Copper Mountain Overview on the Grinding

    SAG mill rated motor speed 204 rpm max motor speed 214 rpm Ball mill rated motor speed 195 rpm max motor speed 209 rpm Starting torque 150 for 15 s Main voltage level where the drive system is connected 25 kV Excitation power is provided by a 416 kV bus

    Get Price
  • How to Control a SAG Grinding Mill Circuit
    How to Control a SAG Grinding Mill Circuit

    Autogenous and semiautogenous grinding have experienced renewed interest as efforts to reduce operating and capital costs have increased As a result the mill operator is faced with new equipment perhaps ten times as large as was common in the sixties and new circuit designs with different operating characteristics No longer can he grab a handful of mill discharge to estimate the size

    Get Price
  • SAG Mill Grinding Circuit Design
    SAG Mill Grinding Circuit Design

    Metallurgical ContentBall Charge Motion inside a SAG MillSAG Mill OperationSemi Autogenous Design FactorsSAG Mill Operation ExampleProcess Plant DescriptionSAG Mill Design and Specification Operating Problems Since CommissioningDesign Changes and Future Operating Strategies AG and SAG mills are now the primary unit operation for the majority of large grinding circuits and form the

    Get Price
  • AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND
    AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND

    3 SAG mill 8 – 15 ball charge Variable competency ore 4 High ball charge SAG mill 15 to 25 ball charge Incompetent ore 5 Low ball charge SAG mill high mill speed 4 ball charge 90 Nc A cross between AG and SAG for competent abrasive ores As typically operated in RSA 6 SAG mill configurations 3 and 5 with recycle crusher

    Get Price
  • THE COMMINUTION CIRCUIT DESIGN FOR THE
    THE COMMINUTION CIRCUIT DESIGN FOR THE

    installed power to maximise net present value The use of a dual SAG mill arrangement in a cost effective layout added substantial value to the project by increasing both initial and post Year 6 plant throughput for a modest increase in project capital cost when compared with the DFS case of a single 215 MW Gearless Motor Drive GMD SAG mill

    Get Price
  • Drive Solutions for the Global Mining Industry
    Drive Solutions for the Global Mining Industry

    drive application is a dualpinion SAG mill driven by two 5000 kW wound rotor induction motors WRIM Two TMdrive10SPRs control motor speed by recovering rotor current and returning the power to the utility supply Confi gured in a twin motor arrangement the motors share load in the tandem mill

    Get Price
  • sag mill dual pinion geared drive
    sag mill dual pinion geared drive

    sag mill dual pinion geared drive mark on the motor hub and gearbox hub with the position they need of a twin pinion mill drive train is alignment of drive Get

    Get Price
  • ring motor sag mill
    ring motor sag mill

    ring motor sag mill systems eliminate all mechanical components of a conventional mill drive system such as ringgear pinion gearbox coupling as well as motor shaft and bearings thus offering better energy efficiency superior reliability increased process availability and longer lifespan The ABB gearless mill drive is the most powerful mill drive system in what are ring motors for sag mills

    Get Price
  • Autogenous and SemiAutogenous Mills FLSmidth
    Autogenous and SemiAutogenous Mills FLSmidth

    Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach When future tonnage is to be increased the SAG Mill can feed downstream ball milling to boost capacity FullerTraylor SAGAG Mills range in size from 43m through 122m in diameter with powers as high as 28000 kW

    Get Price
  • Gearless mill drives Grinding ABB
    Gearless mill drives Grinding ABB

    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 servicefriendly and fit for purpose design to provide highest throughput reliability

    Get Price
  • Advantages of SER drives for SAG mills
    Advantages of SER drives for SAG mills

    Dec 19 2014 · Advantages of SER drives for SAG mills Friday December 19 2014 For large mills requiring variable speed the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW Above 16MW the gearless drive cycloconverter is typically used because gearboxes and pinion gears reach their present limit in size

    Get Price
  • THE COMMINUTION CIRCUIT DESIGN FOR THE
    THE COMMINUTION CIRCUIT DESIGN FOR THE

    installed power to maximise net present value The use of a dual SAG mill arrangement in a cost effective layout added substantial value to the project by increasing both initial and post Year 6 plant throughput for a modest increase in project capital cost when compared with the DFS case of a single 215 MW Gearless Motor Drive GMD SAG mill

    Get Price
  • Metso to Design and Supply the World’s Largest SAG Mill in
    Metso to Design and Supply the World’s Largest SAG Mill in

    It is situated near the Newmont Yanacocha gold mine where Metso installed what was then the world’s largest singlestage SAG mill a 32ft x 32ft 975m x 975m EGL mill driven by a 165MW ABB gearless motor in 2008 That mill design was also the first of its kind and was customized for Newmont

    Get Price
  • How to Control a SAG Grinding Mill Circuit
    How to Control a SAG Grinding Mill Circuit

    Autogenous and semiautogenous grinding have experienced renewed interest as efforts to reduce operating and capital costs have increased As a result the mill operator is faced with new equipment perhaps ten times as large as was common in the sixties and new circuit designs with different operating characteristics No longer can he grab a handful of mill discharge to estimate the size

    Get Price
  • Typical Load Factor For Sag Mill Motor
    Typical Load Factor For Sag Mill Motor

    A comparison of SAG mill power models SAG Mill power draw models are used in mill design and grinding circuit The power numbers by Barratt Sherman are fitted to “normal” cone model consists of a friction balance between concentric layers within the rising part of the mill load conversion factor of 0931 between motor input Cmodel result and mill

    Get Price
  • Preprint 13050
    Preprint 13050

    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 Dual hydraulic inching drives provide a

    Get Price
  • AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND
    AN OVERVIEW OF SINGLE STAGE AUTOGENOUS AND

    3 SAG mill 8 – 15 ball charge Variable competency ore 4 High ball charge SAG mill 15 to 25 ball charge Incompetent ore 5 Low ball charge SAG mill high mill speed 4 ball charge 90 Nc A cross between AG and SAG for competent abrasive ores As typically operated in RSA 6 SAG mill configurations 3 and 5 with recycle crusher

    Get Price
  • Selecting Inching Drives for Mill and Kiln Applications
    Selecting Inching Drives for Mill and Kiln Applications

    main drive motor or 2 x main drive motor for dual pinion drives The power computed above is considered P inch N oinch · P millmotor N omill Source IEEE Association Event Installation Inspection Relining Number of starts 25 10 50 Frequency per year 1 52 1 Number of years 1 25 25 Number total cycles 25 13000 1250

    Get Price
  • Ge Grinding Mill Drive Systems Crusher
    Ge Grinding Mill Drive Systems Crusher

    China Ball Mill With Hydraulic Gearless Drive CAESAR Mining China Ball Mill With Hydraulic Gearless Drive mill drive motors ge grinding mill drive systems 2007 to deliver two gearless mill drive systems for the Chat Now dual motor sag mills beltconveyers ball mill ring gear dual pinion drive systems

    Get Price
  • MINERAL PROCESSING ABB commissions Clarabelle mill
    MINERAL PROCESSING ABB commissions Clarabelle mill

    ONTARIO – ABB the leading power and automation technology group has commissioned an upgrade to Vale‘s existing Clarabelle dual pinion semiautogenous SAG project was completed ontime and onbudget with an excellent safety record The Clarabelle mill beneficiates nickelcopper ore from various sources and companies and to produce a nickelcopper concentrate and copper

    Get Price
  • Starter of SAG Mills with rotor resistance
    Starter of SAG Mills with rotor resistance

    Each mills have two motors of 8000 kW at 138 kV A For large mills requiring variable speed the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW Above 16MW the gearless drive cycloconverter is typically used because gearboxes and pinion gears reach their present limit in size

    Get Price
  • Installation Operation and Maintenance of Airflex Model
    Installation Operation and Maintenance of Airflex Model

    211 Airflex VC grinding mill clutch applications are available in singlenarrow singlewide dualnarrow and dualwide mounting configurations See Figure 4 The clutch configuration is determined by the motor horsepower and RPM the allowable motor overload per cent rated horsepower for mill

    Get Price
  • Gearless mill drives Grinding ABB
    Gearless mill drives Grinding ABB

    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 servicefriendly and fit for purpose design to provide highest throughput reliability

    Get Price
  • Dual Motors on a Chainsaw Mill WOODWEB
    Dual Motors on a Chainsaw Mill WOODWEB

    Dual Motors on a Chainsaw Mill You can connect two motors of different horsepowers to one chainsaw bar but operating the contraption is tricky May 16 2008 Question They say you need at least a 90cc saw for a mill Would two saws that total 112cc currently have Stihl 290s work as good or close to as good as one big saw or would you lose

    Get Price
  • Outotec MH Series Grinding Mills Outotec
    Outotec MH Series Grinding Mills Outotec

    Outotec MH Series Grinding Mills offer a cost effective and easy to operate and maintain grinding solution across the mill lifecycle The MH Series includes a range of SAG ball and rod mills in standardized sizes with a capacity of up to 31 MW installed power and is based on over 100 years of experience with grinding technologies

    Get Price
  • An electrical impact study between variable speed dual
    An electrical impact study between variable speed dual

    An electrical impact study between variable speed dual pinion mills and gearless mill drives Abstract Conventional mining process circuits use both SemiAutogenous Grinding SAG and Ball mills It is very common that the SAG mills are operated with adjustable frequency drives AFDs and the Ball mills are operated at fixed speed 1

    Get Price
  • Increasing availability through advanced Gearless Drive
    Increasing availability through advanced Gearless Drive

    Figure 1 – Top view of SAG mills with alternative drive options left side dual pinion drive including motor gearbox pinion and girth gear right side gearless ring motor Declining ore grades leading to increased material transport and plant throughput requirements are one of the

    Get Price
  • Benchmarking Bond Copper Mountain
    Benchmarking Bond Copper Mountain

    SAG mill inside shell diameter 34 ft 10363 m SAG mill effective grinding length 175 ft 5334 m SAG mill design speed corresponding to motor peak torquepower 1008 RPM SAG mill motor original power output 17000 HP 12677 kW Ball mill inside shell diameter 24 ft 7315 m Ball mill effective grinding length 39 ft 11886

    Get Price
  • Starter of SAG Mills with rotor resistance
    Starter of SAG Mills with rotor resistance

    Each mills have two motors of 8000 kW at 138 kV A For large mills requiring variable speed the wound rotor motor and SER drive are economical for a total rating of approximately 2MW to 16MW Above 16MW the gearless drive cycloconverter is typically used because gearboxes and pinion gears reach their present limit in size

    Get Price
  • Mining Grinding and Processing WEG
    Mining Grinding and Processing WEG

    Variable Speed Single or double pinion driving systems Designed to drive and control the speed of the medium voltage motors coupled to the SAGAG ball and HPGR mills with single or double pinion the MVW01 frequency drive uses state of the art technology through a multilevel structure with medium voltage IGBTs reducing the harmonic currents on the motor to extremely low levels

    Get Price
  • Vale operation in Ontario gets upgrades to oreprocessing mill
    Vale operation in Ontario gets upgrades to oreprocessing mill

    The SAG mill project involved upgrades to a machine that had reached its endoflife ABB replaced all of the electrical equipment including 5500KW motors converter transformer motor control

    Get Price
  • TECHNICAL How to Spec a Mill Gear Power
    TECHNICAL How to Spec a Mill Gear Power

    mill it needs to have a bore larger than the mill outside diameter The mill outside diameter is a function of the grinding process selected Autogenous mills are the largest in diameter since the feed grinds itself A semiautogenous mill uses some metallic or ceramic balls to assist the grinding process and can be slightly smaller

    Get Price
  • Installation Operation and Maintenance of Airflex Model
    Installation Operation and Maintenance of Airflex Model

    211 Airflex VC grinding mill clutch applications are available in singlenarrow singlewide dualnarrow and dualwide mounting configurations See Figure 4 The clutch configuration is determined by the motor horsepower and RPM the allowable motor overload per cent rated horsepower for mill

    Get Price
  • INNOVATION NEWS Mills and GMDs ABB
    INNOVATION NEWS Mills and GMDs ABB

    reliable drive system for SAG mills Early SAG mills had a diameter of about 32’ later increasing to 34 36 38 and 40’ At the same time the mill volume also increased Typically a SAG mill has a much larger diameter compared to its length Yet the SAG mill of Newmont’s Yanacocha mine in Peru is a single

    Get Price
  • MINE LINERS Magotteaux
    MINE LINERS Magotteaux

    The two main functions of a mill liner consist in protecting the mill shell against wear and in transmitting the energy of the mill motor to the grinding charge to carry out the required size reduction in the most efficient way For a mill liner the design as well as the liner material are to be considered The required movement of the mill charge to carry out effi

    Get Price
  • Tenova TAKRAF Supplies Unique SAG Mill in Canada E MJ
    Tenova TAKRAF Supplies Unique SAG Mill in Canada E MJ

    “To date this is the largest hydraulic motor installed on a SAG mill with 950 kW of power torque of 1200 kNm startup and 650 kNm operational and speed of 1386 rpm” said Van Der Walt

    Get Price
edge-iconRelated News
toTop
Click avatar to contact us
Chat Online