advantages of gearless drives on ball mills

Gearless mill drives As was mentioned above a gearless mill drive constitutes both an important part but also one of the most critical elements of a concentrator or a cement plant Their purpose is to ensure the continuous rotation of specific types of tumbling mills more specifically autogenous grinding AG mills semiautogenous grinding

The company selected ABBs 26 MW gearless mill drive system GMD for the mine’s 40 ft SAG mill as well as other drives electrical infrastructure equipment and a longterm service agreement LTSA This is expected to reduce operating costs improve process throughput and reliability while saving energy and keep equipment in top form

The SAG mill is followed by two 20ft diam 7500hp geardriven ball mills Another type of drive less commonly used consists of a motordriven speed reducer that is coupled to one of two

Utah SAG mill and a 11200 kW gearless drive for the El Teniente Chile SAG mill In a continued call for larger even more powerful drives Siemens kept pace In 1996 Freeport ordered the first gearless drive for a 38foot SAG mill located at the company’s Grasberg plant in Indonesia This gearless drive

BALL MILL DRIVE MOTOR CHOICES The mill used for this comparison is a 44meter diameter by 136 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 per hour This type twocompartment mill is a state oftheart shell supported cement finish mill The torque and time requirements of the mill with the ball Oline Chat

Gearless Ball Mill Drive Netherlands For the mining industry our semiautogenous SAG grinding mill uses a minimal ball charge in the range of 615 percent It is primarily used in the gold copper and platinum industries as well as in the lead inc silver and nickel industries available with either geared or gearless drive arrangements

Laguna Seca concentrator uses a SAG mill and three ball mills all driven by gearless mill drive In ball mill 2 the overvoltage arrester modules failed and Procedures For Cement Mill Ball Mill Design Technical and Commercial Benefits of Gearless Mill Drives for installed 1969 in a cement milling process in the cement plant Le

advantages of gearless drives on ball mills Ball mills 8211gearless drive mills and crushers and mw design of motor drives for ball mills vibrations on a gearless mill motor Gearless mill drives Go gearless The gearless mill drive eliminates all mechanical components of a conven Ball mill Design Design Validation

drive motors for grinding mills ellulnl type of induction motor that drive ball mill – Grinding experience with synchronous and Cimentec Engine SLIP RING INDUCTION MOTORS DRIVING CEMENT MILLS Table of contents Section Ball Mill drives with synchronous motor and air clutchfluid coupling 72 Ball Mill with slip ring influence the selection process the type of load and its

advantages and disadvantages of rolling mill explain the advantages and disadvantages of up conventional and down climb milling processes advantages of gearless drives on ball mills Get Price ABBs Gearless mill drive system is the most powerful mill drive system in the market to power semiautogenous SAG ball and autogenous AG mills Read

Utah SAG mill and a 11200 kW gearless drive for the El Teniente Chile SAG mill In a continued call for larger even more powerful drives Siemens kept pace In 1996 Freeport ordered the first gearless drive for a 38foot SAG mill located at the company’s Grasberg plant in Indonesia This gearless drive

Gearless mill drives Longer service intervals thanks to lowwear drive processes SIMINE Gearless mill drives’ rpms can be tailored to your operations at any time and are infinitely variable and uncomplicated Whether manually or fully automatic – rpms can be adjusted to account for the properties of the ore resulting in significantly less

ball mills in the mineral ore processing and cement industries was done by enlarging the traditional drive system incorporating low speed motors driving mills via a mechanical drive train with single or dual pinion and girth gear This solution reaches its economic and design limits with increasing drive sizes Today mills are

Gearless Mill Drive Advantages of gearless drives on ball mills for installation and commissioning of four gearless ball mill drive systems gearless mill drive optical systems Get Price sag mill maintenance Automatic Mill To be familiarized with the ABBs Gearless mill drive system is the most powerful mill ing methods iron ore

BALL MILL DRIVE MOTOR CHOICES The mill used for this comparison is a 44meter diameter by 136 meter long ball mill with a 5000 HP drive motor It is designed for approximately 90 per hour This type twocompartment mill is a state oftheart shell supported cement finish mill The torque and time requirements of the mill with the ball Oline Chat

Gearless Ball Mill Drive Netherlands For the mining industry our semiautogenous SAG grinding mill uses a minimal ball charge in the range of 615 percent It is primarily used in the gold copper and platinum industries as well as in the lead inc silver and nickel industries available with either geared or gearless drive arrangements

There are 60 advantages and disadvantages of ball mill suppliers mainly located in Asia The top supplying country or region is China which supply of advantages and disadvantages of ball mill respectively Advantages and disadvantages of ball mill products are most popular in Africa Domestic Market and Southeast Asia Get price

The two fine grind vertical Deswik mills will operate on separate and data collection and compact footprint are other advantages milling Mount Hopes new molybdenum mine in central Nevada USA will be equipped with most energyefficient gearless mill drive and dual pinion ball mill drive systems

Sag Mill Drive Arrangement Canada sag mill drive arrangement canada Advantages of SER drives for SAG mills GoHz Advantages of SER drives for SAG mills Friday December 19 2014 The drives are typically set up to run between about 85 to 110 of synchronous speed for an optimized arrangement I expect that this type of drive would be the most common large mill

HGT Gyratory Crusher TECHNICAL AND COMMERCIAL BENEFITS OF GEARLESS MILL Motor The GMD is a drive system without any gear where the transmission of the torque between the motor and the mill is done through the magnetic field in the air gap between the motor stator and the motor rotor The concept to drive the mill this way is relatively simple using the mill body as motor rotor and mounting

drive motors for grinding mills ellulnl type of induction motor that drive ball mill – Grinding experience with synchronous and Cimentec Engine SLIP RING INDUCTION MOTORS DRIVING CEMENT MILLS Table of contents Section Ball Mill drives with synchronous motor and air clutchfluid coupling 72 Ball Mill with slip ring influence the selection process the type of load and its

advantages of ball mill grinding Large capacity grinding mills are used for processing the ore Using one large mill is more economical than using a number of smaller mills This requires a very large capacity electric drive to rotate these mills