Variable speed drives starters and motors for grinding mills including SAG Semi Autogenous Grinding mills ball mills etc Grinding mills represent the largest load at the processing plant and their reliability is critical for the plant Our solutions are fitted for single pinion and dual pinion drive
30/05/2022 · Ingeteam to supply MV drive system for one 7MW SAG mill single pinion and one Ball Mill dual pinion In the second quarter 2022 VFD with the corresponding ONAN rectifier transformers for feeding one single pinion 7 MW SAG Mill and one Dual pinion 2x4750 KW Ball mill
07/03/2022 · The motors are being applied in pairs to SAG and ball mills that operate through dual pinion drives supplying power to each mill Historically WEG says the customer was facing problems for a number of different reasons such as mechanical fits
Sag mill pinions Sag mill pinions overview on the grinding mills and their dual pinion mill drives the grinding process with one 34 x 20 sag mill and two 24 x 395 ball mills will be briefly discussed all three ball rod cjt surplus equipment 1 used 1310 dia x Details
The products are part of an important order for electric motor drives for eighteen ball mills and semi autogenous grinding SAG mills with dual and single pinions Autogenous grinding means that the mining ore essentially grinds itself Such ball mills are used for grinding and crushing mining ore within a large rotating drum
These mills are typically powered using electricity and depending on the required power have different configurations such as central drive single pinion dual pinion and gearless mechanical set up AG and SAG mills are extensively used in the mining industry for extracting minerals such
2022 6 30 Sag mill is fitted with a dual pinion drive mw per pinion and is driven by a variable speed drive comprised of a serhyper synchronous drive the 24 ft 39 ft 13 mw ball mill is driven by dual mw wound rotor motors through reduction boxes and gear and pinion drives the sag mill discharge is screened on a rotating trommel Get Price
Krupp 11MV Dual Pinion diameter x EGL SAG Mill Krupp diameter x EGL Ball Mill Regrind 1 x Metso Svedala Vertimill 1 x M10000 IsaMill Magnetite circuit in
Among the different types of horizontal mills used in the mining industry SAG AG rod and ball mills are usually equipped with lateral drives We offer you a full package of complete drive systems consisting of girth gears for single or dual drive pinions main gear units and auxiliary drives
and SAG Mills GINO AKA developed the MAK type starters with additional features for the specific de mands The robust design guarantees high operational relia bility and long service life Advantages of the GINO AKA liquid starters type AKEP and MAK at a glance Dual Pinion application
A SAG mill requirement might be 225 250% torque based on Full Load Motor Torque FLMT This is the amount of torque the drive motor can produce on a temporary basis during start clutch s primary role on the dual pinion direct drive geared mill is to provide smooth starts during mill startup When the mill is running the clutch
This paper concentrate s on modern motor and drive solutions for s ingle and dual pinion driven Ball an d SAG Mills and the motors and drives used to p ower them It will cover the application s
a dual pinion 13 MW variable speed slip energy recovery/ hyper synchronous drive 34 ft × 20 ft SAG mill in closed circuit with scats return conveying including a high lift conveyor to overcome topography constraints SAG mill discharge is classifi ed using an integral mill trommel with minus 12 mm product reporting to a MW cyclone feed
06/02/2022 · According to ABB the upgrades to Vale s existing Clarabelle dual pinion semi autogenous SAG mill will allow it to reduce the size of the ore at the company s nickel and copper mines in the
06/02/2022 · ABB the leading power and automation technology group has commissioned an upgrade to Vale s existing Clarabelle dual pinion semi autogenous SAG mill The
11/06/2022 · ABB s solution provides dual pinion mill drives frozen charge detection controlled roll back automatic positioning variable speed and cascade monitoring functionalities The dual pinion mill drive is a variable speed technology which will effect low mechanical stress impact on the pinion and ring gear by realizing precise load sharing
04/10/2022 · SAG Mill Pinion It s a dual drive Mill It s not gear defect or bearing related We re thinking it may be process related If anyone has experience resolving this type of vibration on SAG Mills or Ball Mills let me know Thanks
drive application is a dual pinion SAG mill driven by two 5 000 kW wound rotor induction motors WRIM Two TMdrive 10SPRs control motor speed by recovering rotor current and returning the power to the utility supply Configured in a twin motor arrangement the motors share load in the tandem mill The Customer Need
AG millsMetso Outotec We are essentially providing up to twice the power transmission of a conventional dual pinion drive Gearless mill drive GMD technology has further expanded the use of large AG milling allowing Outotec to produce the world s largest SAG mill
designs at the moment with dual pinion mills up to 22 000 kW and dual girth gear mills up to 34 000 kW We current ly have an order for a mine in North America for a ball mill gear with a with a 9 000 kW single pinion drive While Fritz doesn t know what gear sizes the competition is
designs at the moment with dual pinion mills up to 22 000 kW and dual girth gear mills up to 34 000 kW We current ly have an order for a mine in North America for a ball mill gear with a with a 9 000 kW single pinion drive While Fritz doesn t know what gear sizes the competition is supplying to the mining market he does note that
The products are part of an important order for electric motor drives for eighteen ball mills and semi autogenous grinding SAG mills with dual and single pinions Autogenous grinding means that the mining ore essentially grinds itself Such ball mills are used for grinding and crushing mining ore within a
Both the SAG mill and ball mill are each driven by two gear units Because on a conventional drive variant only one engagement per pinion with the girth gear is possible per side an economic power limit of about 8 MW per drive is in effect With the DMG2 gear units Siemens said this limit expands to as much as 12 MW per drive
17/09/2022 · WEG performed unprecedented equipment testing for solution in ball mill drive with dual pinion 09/17/2022 WEG announced that it has successfully tested its new solution of low speed synchronous motors driven by frequency inverters for mills with dual pinions at its testing facility in Brazil Due to the complexity and costs this equipment
Ball/Sag/AG Mill Roller Press HPGR/HRC The dual pinion drives in a mill can come out of sync due to power problems or disturbances in the motor control system Another common problem is frozen charge that has built up inside This might cause torque peaks or consequential damage
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